Number 40 facts
The even number 40 is spelled 🔊, and written in words: forty. The ordinal number 40th is said 🔊 and written as: fortieth. Phone prefix +40 or 0040. The meaning of the number 40 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 40. What is 40 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts, videos, news related to 40. ‹‹ 39 41 ››
Interesting facts about the number 40

Asteroids
- (40) Harmonia is asteroid number 40. It was discovered by H. M. S. Goldschmidt from Paris on 3/31/1856.
Aircrafts and flights
- 07/20/1981 the Somali Airlines plane, flight number 40, Fokker F27 Friendship 600 crashed in Bal''ad District, Somalia 44 passengers and 6 crew members died.
Areas, mountains and surfaces
- The total area of Prince of Wales Island is 12,872 square miles (33,339 square km). Country Canada (Nunavut). 40th largest island in the world.
Distances
- There is a 25 miles (40 km) direct distance between Bekasi (Indonesia) and Tangerang (Indonesia).
- There is a 40 miles (64 km) direct distance between Benxi (China) and Fushun (China).
- There is a 40 miles (64 km) direct distance between Guankou (China) and Changsha (China).
- There is a 25 miles (40 km) direct distance between Huaibei (China) and Tongshan (China).
- More distances ...
- There is a 25 miles (40 km) direct distance between Changshu City (China) and Suzhou (China).
- There is a 25 miles (40 km) direct distance between Chiba (Japan) and Tokyo (Japan).
- There is a 25 miles (40 km) direct distance between Jieyang (China) and Shantou (China).
- There is a 40 miles (63 km) direct distance between Kobe (Japan) and Kyoto (Japan).
- There is a 40 miles (64 km) direct distance between Xinxiang (China) and Zhengzhou (China).
Economy
- The CAC 40, which takes its name from the first automation system of the Paris Stock Exchange, is a French stock index, a benchmark for Euronext Paris. Read more .
History and politics
- ISO 3166 country codes for Austria are AT, AUT, 040 and internet top-level domain is .at
- United Nations Security Council Resolution number 40, adopted 28 February 1948. Monitoring of the situation in Indonesia. Resolution text.
In other fields
- WD-40 is the trademark of a widely used penetrating oil spray. It was developed in 1953 by the chimist, Norm Larsen to eliminate water and prevent corrosion on electrical circuitry. WD-40 stands for 'Water Displacement, 40th attempt'. The name was coined by Norm Larsen itself, while he was attempting to concoct the formula to prevent corrosion by displacing water. Norm's persistence paid off when he perfected the formula on his 40th try.
- It is the traditional Hebrew number for the duration of a trial of some kind, when times are tough and a person's faith is tested.
Literature
- Ali Baba and the Forty Thieves is a folk tale from the One Thousand and One Nights. It was added to the collection in the 18th century by its French translator Antoine Galland, who heard it from Syrian storyteller Hanna Diyab. As one of the most familiar of the Arabian Nights tales, it has been widely retold and performed in many media, especially for children, for whom the more violent aspects of the story are often suppressed.
Mathematics
- 40 is the only number whose letters are in alphabetical order.
Mobile and telephony
- Number 40 or +40 or 0040 is a dial the international call prefix for Romania. (00/+) is dial the international call prefix.
Motorsport and cars
- The Ferrari F40 is a two-door two-seater berlinetta supercar produced by the Italian manufacturer Ferrari. Its production began in 1987 on the occasion of the 40th anniversary of the founding of the brand, until 1992 when it was discontinued.
Music
- Aya Nakamura - 40%
- Forty '40' is a song by the Irish band U2, incorporated into the album War.
- '40 Dog ', in Spanish '40 perros', is the first and only single from the R & B / Hip-Hop duo Sweet' N Lo released in 1993 from their only album Pucker Up.
- '40' 'is a song by the Scottish Indie Rock band Franz Ferdinand.
- '40 Kinds of Sadness ', in Spanish '40 types of sadness', is the third and last single from Ryan Cabrera.
- UB40 is an English dub and reggae pop music group formed in Birmingham, England in 1978. The band's name is a reference to the Unemployment Benefits document that was signed in the UK during the band's formation. The form was Unemployment Benefit, Form 40.
- More music ...
- '40 Day Dream '/' Geez Louise 'is a single from' Edward Sharpe and the Magnetic Zeros'.
- '40 Oz 'is a song by the hip hop group Brokencyde.
- '40 Thieves ', in Spanish '40 thieves', is a song by the American punk pop band A Loss for Words (formerly Last Ride).
- '40 oz. Dream 'is a song by the American pop punk band Good Charlotte.
Religions
- The Bible uses 40 to denote completion.
- There are many references to '40 days and 40 nights' throughout the Bible. The most notable are the 40 days and nights of rain that caused Noah's flood.
- Jesus fasted for 40 days in the desert before being tempted by Satan.
- Jesus remained on earth for 40 days after his resurrection, appearing to the apostles and teaching them, before ascending to heaven.
- It represents a generation, and times of testing in the Bible. It rained for 40 days during the Flood. Moses spent 40 years in the desert, as did the children of Israel.
Science
- Zirconium is the chemical element in the periodic table that has the symbol Zr and atomic number 40.
Sports
- The best athletes to wear number 40
Gale Sayers, NFL; Shawn Kemp, NBA; Rick Sutcliffe, MLB
Please write us
If you know something interesting about the number 40 or any natural number (positive integer), please write to us.What is 40 in other units
The number 40 converted to a Mayan number is |
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Decimal and Mayan number conversions. |
Weight conversion
40 kilograms (kg) = 88.2 pounds (lbs)
40 pounds (lbs) = 18.1 kilograms (kg)
Length conversion
40 kilometers (km) equals to 24.855 miles (mi).
40 miles (mi) equals to 64.374 kilometers (km).
40 meters (m) equals to 64.374 feet (ft).
40 feet (ft) equals 12.192 meters (m).
40 centimeters (cm) equals to 15.7 inches (in).
40 inches (in) equals to 101.6 centimeters (cm).
Temperature conversion
40° Fahrenheit (°F) equals to 4.4° Celsius (°C)
40° Celsius (°C) equals to 104° Fahrenheit (°F)
Power conversion
40 Horsepower (hp) equals to 29.42 kilowatts (kW)
40 kilowatts (kW) equals to 54.39 horsepower (hp)
Codes and images of the number 40
Number 40 morse code: ....- -----Sign language for number 40:


Number 40 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
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More images, other sizes, codes and colors ... | |
Number 40 infographic![]() |
Year 40 AD
- Philo taught that all men are born free.
- Empress Ma of the Han Dynasty was born.
- Dio Chrysostom, Greek philosopher and historian was born.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 40 is Buddhist year 583.Buddhist year 40 is Gregorian year 503 a. C.
Gregorian year 40 is Islamic year -600 or -599.
Islamic year 40 is Gregorian year 660 or 661.
Gregorian year 40 is Persian year -583 or -582.
Persian year 40 is Gregorian 661 or 662.
Gregorian year 40 is Hebrew year 3800 or 3801.
Hebrew year 40 is Gregorian year 3720 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is the official calendar in Iran and Afghanistan.
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Advanced math operations
Is Prime?
The number 40 is not a prime number. The closest prime numbers are 37, 41.
The 40th prime number in order is 173.
Factorization and factors (dividers)
The prime factors of 40 are 2 * 2 * 2 * 5
The factors of 40 are 1, 2, 4, 5, 8, 10, 20, 40.
Total factors 8.
Sum of factors 90 (50).
Prime factor tree
Powers
The second power of 402 is 1.600.
The third power of 403 is 64.000.
Roots
The square root √40 is 6,324555.
The cube root of 3√40 is 3,419952.
Logarithms
The natural logarithm of No. ln 40 = loge 40 = 3,688879.
The logarithm to base 10 of No. log10 40 = 1,60206.
The Napierian logarithm of No. log1/e 40 = -3,688879.
Trigonometric functions
The cosine of 40 is -0,666938.The sine of 40 is 0,745113.
The tangent of 40 is -1,117215.
Number 40 in Computer Science
Code type | Code value |
---|---|
ASCII Html | ( Opening/Left Parenthesis ( (ISO 8859-1 Characters) |
Unix time | Unix time 40 is equal to Thursday Jan. 1, 1970, 12:40 a.m. GMT |
IPv4, IPv6 | Number 40 internet address in dotted format v4 0.0.0.40, v6 ::28 |
40 Decimal | = 101000 Binary |
40 Decimal | = 1111 Ternary |
40 Decimal | = 50 Octal |
40 Decimal | = 28 Hexadecimal (0x28 hex) |
40 BASE64 | NDA= |
40 MD5 | d645920e395fedad7bbbed0eca3fe2e0 |
40 SHA1 | af3e133428b9e25c55bc59fe534248e6a0c0f17b |
40 SHA224 | af91525e3568e15041ccfa1a7e58f2a8eac837b3c89f400e3f8aea0a |
40 SHA256 | d59eced1ded07f84c145592f65bdf854358e009c5cd705f5215bf18697fed103 |
40 SHA384 | eccdaca52cc0ef0cf09b0fab9f955d2c5533d482b5348799d336f51548284c27cbd622f253cc6dd1320d8f86469353d0 |
More SHA codes related to the number 40 ... |
If you know something interesting about the 40 number that you did not find on this page, do not hesitate to write us here.
Numerology 40
More about numerology 40 ...
№ 40 in other languages
Spanish: | 🔊 (número 40) | cuarenta |
German: | 🔊 (Nummer 40) | vierzig |
French: | 🔊 (nombre 40) | quarante |
Portuguese: | 🔊 (número 40) | quarenta |
Hindi: | 🔊 (संख्या 40) | चालीस |
Chinese: | 🔊 (数 40) | 四十 |
Arabian: | 🔊 (عدد 40) | أربعون |
Czech: | 🔊 (číslo 40) | čtyřicet |
Korean: | 🔊 (번호 40) | 사십 |
Danish: | 🔊 (nummer 40) | fyrre |
Hebrew: | (מספר 40) | ארבעים |
Dutch: | 🔊 (nummer 40) | veertig |
Japanese: | 🔊 (数 40) | 四十 |
Indonesian: | 🔊 (jumlah 40) | empat puluh |
Italian: | 🔊 (numero 40) | quaranta |
Norwegian: | 🔊 (nummer 40) | førti |
Polish: | 🔊 (liczba 40) | czterdzieści |
Russian: | 🔊 (номер 40) | сорок |
Turkish: | 🔊 (numara 40) | kırk |
Thai: | 🔊 (จำนวน 40) | สี่สิบ |
Ukrainian: | 🔊 (номер 40) | сорок |
Vietnamese: | 🔊 (con số 40) | bốn mươi |
Other languages ... |
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Frequently asked questions about the number 40
How do you write the number 40 in words?
40 can be written as "forty".
Number 40 in News
The Sydney Morning Herald: Residents rescued from ‘worst flooding in 40 years’ as Herminia hits France
In Brittany, Residents have been told to expect waters to rise to 1.5 metres inside their homes. Jan. 28, 2025 |
France24: France to release pro-Palestinian activist Georges Abdallah after 40 years of prison
On Friday, a French court ordered the release of pro-Palestinian Lebanese activist Georges Ibrahim Abdallah, imprisoned for 40 years for complicity in the murder of two diplomats. The decision, however, was suspended by an appeal from the National Anti-Terrorism Prosecutor's Office. Story by Charli James. Nov. 16, 2024 |
BBC: Israeli strikes kill at least 40 in east Lebanon - health ministry
An Israeli official said the strikes, in the Baalbek and Bekaa regions, targeted Hezbollah operatives. Nov. 7, 2024 |
BBC: Woman, 40, and girl, 8, found dead at home
The two bodies were discovered in Salford following reports of concerns for their welfare, police say. Sept. 23, 2024 |
France24: France seek first Olympic football gold in 40 years in final against Spain
Led by coach Thierry Henry, France are looking to win a second gold medal in the Olympics men’s football in 40 years as they face off against Spain on Friday. Despite missing star players Kylian Mbappé and Antoine Griezmann, Les Bleus are guaranteed a medal after beating Argentina and Egypt … Aug. 8, 2024 |