Number 20
Number 20 spell 🔊, write in words: twenty. Ordinal number 20th is said 🔊 and write: twentieth. Phone prefix +20 or 0020. The meaning of the number 20 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 20. What is 20 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, news related to 20.
What is 20 in other units
The number 20 converted to a Mayan number is | |
Decimal and Mayan number conversions. |
Weight conversion
20 kilograms (kg) = 44.1 pounds (lbs)
20 pounds (lbs) = 9.1 kilograms (kg)
Length conversion
20 kilometers (km) equals to 12.427 miles (mi).
20 miles (mi) equals to 32.187 kilometers (km).
20 meters (m) equals to 32.187 feet (ft).
20 feet (ft) equals 6.096 meters (m).
20 centimeters (cm) equals to 7.9 inches (in).
20 inches (in) equals to 50.8 centimeters (cm).
Temperature conversion
20° Fahrenheit (°F) equals to -6.7° Celsius (°C)
20° Celsius (°C) equals to 68° Fahrenheit (°F)
Power conversion
20 Horsepower (hp) equals to 14.71 kilowatts (kW)
20 kilowatts (kW) equals to 27.20 horsepower (hp)
Codes and images of the number 20
Number 20 morse code: ..--- -----Sign language for number 20:
Number 20 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
More images, other sizes, codes and colors ... | |
Number 20 infographic |
Year 20 AD
- Hillel the Elder, Talmudic scholar, died.
- Tiberias was built on the Sea of Galilee by Herod Antipas, in honour of Tiberius.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 20 is Buddhist year 563.Buddhist year 20 is Gregorian year 523 a. C.
Gregorian year 20 is Islamic year -621 or -620.
Islamic year 20 is Gregorian year 640 or 641.
Gregorian year 20 is Persian year -603 or -602.
Persian year 20 is Gregorian 641 or 642.
Gregorian year 20 is Hebrew year 3780 or 3781.
Hebrew year 20 is Gregorian year 3740 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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Mathematics of no. 20
Multiplications
Multiplication table of 20
20 multiplied by two equals 40 (20 x 2 = 40).
20 multiplied by three equals 60 (20 x 3 = 60).
20 multiplied by four equals 80 (20 x 4 = 80).
20 multiplied by five equals 100 (20 x 5 = 100).
20 multiplied by seven equals 140 (20 x 7 = 140).
20 multiplied by eight equals 160 (20 x 8 = 160).
20 multiplied by nine equals 180 (20 x 9 = 180).
Fractions: decimal fraction and common fraction
Fraction table of 20
Half of 20 is 10 (20 / 2 = 10).
One third of 20 is 6,6667 (20 / 3 = 6,6667 = 6 2/3).
One quarter of 20 is 5 (20 / 4 = 5).
One fifth of 20 is 4 (20 / 5 = 4).
One seventh of 20 is 2,8571 (20 / 7 = 2,8571 = 2 6/7).
One eighth of 20 is 2,5 (20 / 8 = 2,5 = 2 1/2).
One ninth of 20 is 2,2222 (20 / 9 = 2,2222 = 2 2/9).
Calculator
20 | ||||
Advanced math operations
Is Prime?
The number 20 is not a prime number. The closest prime numbers are 19, 23.
The 20th prime number in order is 71.
Factorization and factors (dividers)
The prime factors of 20 are 2 * 2 * 5
The factors of 20 are 1, 2, 4, 5, 10, 20.
Total factors 6.
Sum of factors 42 (22).
Prime factor tree
Powers
The second power of 20^{2} is 400.
The third power of 20^{3} is 8.000.
Roots
The square root √20 is 4,472136.
The cube root of ^{3}√20 is 2,714418.
Logarithms
The natural logarithm of No. ln 20 = log_{e} 20 = 2,995732.
The logarithm to base 10 of No. log_{10} 20 = 1,30103.
The Napierian logarithm of No. log_{1/e} 20 = -2,995732.
Trigonometric functions
The cosine of 20 is 0,408082.The sine of 20 is 0,912945.
The tangent of 20 is 2,237161.
Number 20 in Computer Science
Code type | Code value |
---|---|
Port 20/TCP | FTP Protocol (data) - port for transferring FTP data |
Unix time | Unix time 20 is equal to Thursday Jan. 1, 1970, 12:20 a.m. GMT |
IPv4, IPv6 | Number 20 internet address in dotted format v4 0.0.0.20, v6 ::14 |
20 Decimal | = 10100 Binary |
20 Decimal | = 202 Ternary |
20 Decimal | = 24 Octal |
20 Decimal | = 14 Hexadecimal (0x14 hex) |
20 BASE64 | MjA= |
20 MD5 | 98f13708210194c475687be6106a3b84 |
20 SHA1 | 91032ad7bbcb6cf72875e8e8207dcfba80173f7c |
20 SHA224 | 751267062c92e398c3942214b58136f73a4b9e1ca9a214d72d6d5805 |
20 SHA256 | f5ca38f748a1d6eaf726b8a42fb575c3c71f1864a8143301782de13da2d9202b |
20 SHA384 | fd21efb0c2863b1d2460f7e6048d757beb2326c6e1bbee5194826be2c626a9de3bc8d6f2488617e505c960478d3855d0 |
More SHA codes related to the number 20 ... |
If you know something interesting about the 20 number that you did not find on this page, do not hesitate to write us here.
Numerology 20
The meaning of the number 2 (two), numerology 2
Character frequency 2: 1
The number 2 (two) is also the symbol of balance, togetherness and receptivity. He/she is a good partner, colleague or companion; he/she also plays a wonderful role as a referee or mediator. Number 2 person is modest, sincere, spiritually influenced and a good diplomat. It represents intuition and vulnerability.
The meaning of the number 0 (zero), numerology 0
Character frequency 0: 1
Interesting facts about the number 20
Asteroids
- (20) Massalia is asteroid number 20. It was discovered by A. de Gasparis from Obs. Capodimonte Astronomical on 9/19/1852.
Aircrafts and flights
- 01/18/1960 the Capital Airlines plane, flight number 20, Vickers Viscount 745D crashed in Holdcroft, Virginia, US 46 passengers and 4 crew members died.
Areas, mountains and surfaces
- The total area of Ireland is 32,595 square miles (84,421 square km). Country Ireland and United Kingdom (Northern Ireland). 20th largest island in the world.
Astrology
- It is one of the lucky numbers for the zodiac sign Aquarius.
- What is astrology and what is it for?
Biology
- It is the number of teeth in the deciduous dentition or milk teeth, it is 20.
Distances between cities
- There is a 13 miles (20 km) direct distance between Abū Ghurayb (Iraq) and Baghdad (Iraq).
- There is a 13 miles (20 km) direct distance between Álvaro Obregón (Mexico) and Ciudad Nezahualcoyotl (Mexico).
- There is a 20 miles (32 km) direct distance between Álvaro Obregón (Mexico) and Ecatepec (Mexico).
- There is a 20 miles (31 km) direct distance between Bucheon-si (South Korea) and Seongnam-si (South Korea).
- More distances between cities ...
- There is a 13 miles (20 km) direct distance between Delhi (India) and Ghāziābād (India).
- There is a 13 miles (20 km) direct distance between Depok (Indonesia) and Jakarta (Indonesia).
- There is a 20 miles (32 km) direct distance between Depok (Indonesia) and Tangerang (Indonesia).
- There is a 20 miles (32 km) direct distance between Incheon (South Korea) and Suwon-si (South Korea).
- There is a 20 miles (32 km) direct distance between Kalyān (India) and Mumbai (India).
Games
- Pokémon Raticate (Ratta) is a pokémon number # 020 of the National Pokédex. Raticate is a normal type Pokémon in the first generation. It is a Field Egg group Pokémon. Raticate's other indexes are Teselia index 060 , Johto index 018 .
History and politics
- ISO 3166 country codes for Andorra are AD, AND, 020 and internet top-level domain is .ad
- United Nations Security Council Resolution number 20, adopted 10 March 1947. Review of report by the Atomic Energy Commission. Resolution text.
In other fields
- 20 lustrums is a century.
- In Japanese tradition, the age of majority is set at 20 years.
Jokes
- What is that thing that measures about 20 cm?
The toothbrush.
Mathematics
- 20 is the smallest number that cannot be either prefixed or followed by one digit to form a prime
- 20 is the number of rooted trees with 6 vertices.
Mobile and telephony
- Number 20 or +20 or 0020 is a dial the international call prefix for Egypt. (00/+) is dial the international call prefix.
Music
- 'Matchbox Twenty' (also known as MB20, MBT, Matchbox Twenty and originally as Matchbox 20) is an American alternative rock band originally from Orlando, Florida. When Paul Douchette was working in a restaurant, he served a customer with patches on his clothes and could only read the word Matchbox. 20 was the number seen on this character's shirt.
- '20 Margaritas' is a song by the country music duo Big & Rich.
- '20 Good Reasons ', in Spanish '20 good reasons', was the first single from Thirsty Merc's second album Slideshows.
- '20 Block ', in Spanish '20 Block', is a song by the American pop punk band A Loss for Words (formerly Last Ride).
- '20 Size 'is a song by the Scottish post-rock band Mogwai.
Science
- Calcium is the chemical element in the periodic table that has the symbol Ca and atomic number 20.
Sports
- The best athletes to wear number 20
Barry Sanders, NFL; Lou Brock, MLB; Mike Schmidt, MLB; Frank Robinson, MLB; Tony Stewart, NASCAR; Luc Robitaille, NHL; Ed Reed, NFL; Rob Niedermayer, NHL; Josh Gibson, baseball
Please write us
If you know something interesting about the number 20 or any natural number (positive integer), please write to us.№ 20 in other languages
Spanish: | 🔊 (número 20) | veinte |
German: | 🔊 (Nummer 20) | zwanzig |
French: | 🔊 (nombre 20) | vingt |
Portuguese: | 🔊 (número 20) | vinte |
Hindi: | 🔊 (संख्या 20) | बीस |
Chinese: | 🔊 (数 20) | 二十 |
Arabian: | 🔊 (عدد 20) | عشرون |
Czech: | 🔊 (číslo 20) | dvacet |
Korean: | 🔊 (번호 20) | 이십 |
Danish: | 🔊 (nummer 20) | tyve |
Hebrew: | (מספר 20) | עשרים |
Dutch: | 🔊 (nummer 20) | twintig |
Japanese: | 🔊 (数 20) | 二十 |
Indonesian: | 🔊 (jumlah 20) | dua puluh |
Italian: | 🔊 (numero 20) | venti |
Norwegian: | 🔊 (nummer 20) | tjue |
Polish: | 🔊 (liczba 20) | dwadzieścia |
Russian: | 🔊 (номер 20) | двадцать |
Turkish: | 🔊 (numara 20) | yirmi |
Thai: | 🔊 (จำนวน 20) | ยี่สิบ |
Ukrainian: | 🔊 (номер 20) | двадцять |
Vietnamese: | 🔊 (con số 20) | hai mươi |
Other languages ... |
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Frequently asked questions about the number 20
How do you write the number 20 in words?
20 can be written as "twenty".
Number 20 in News
France24: 🔴 Live: Russia destroys 20 Ukrainian drones over Crimea, defence ministry says
Russian forces destroyed 20 Ukrainian drones launched onto the Crimean Peninsula early on Saturday, Russia's defence ministry said. There were no casualties and no damage as a result of the attempted attack, the ministry said on the Telegram messaging app. It was not immediately clear what was targeted in the … Aug. 12, 2023 |
France24: Uganda arrests 20 'suspected collaborators' over horrific attack on school by militia
Ugandan police said Monday that 20 people had been arrested for suspected collaboration with the notorious militia group blamed for last week's grisly attack on a school near the border with Democratic Republic of Congo. June 19, 2023 |
France24: 🔴 Live: Kyiv says one Russian missile, 20 drones downed overnight
Ukrainian forces intercepted one cruise missile and 20 explosive drones launched by Russia in its latest nighttime attack, the military said Thursday. The news came as International Atomic Energy Agency (IAEA) chief Rafael Grossi prepares to visit the Russian-controlled Zaporizhzhia nuclear plant, a day later than previously planned. Follow our … June 15, 2023 |
The Sydney Morning Herald: He took his shoes off 20 years ago and hasn’t put them back on
Joseph DeRuvo initially decided to forgo shoes because of agonising bunions, but he has stayed barefoot for reasons that transcend physical comfort. March 6, 2023 |
BBC: Water bills to increase by most in almost 20 years from April
The annual bill for the average household in England and Wales will go up by £31, Water UK says. Feb. 2, 2023 |