Number 80 facts
The even number 80 is spelled 🔊, and written in words: eighty. The ordinal number 80th is said 🔊 and written as: eightieth. The meaning of the number 80 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 80. What is 80 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, news related to 80.
What is 80 in other units
The number 80 converted to a Mayan number is | |
Decimal and Mayan number conversions. |
Weight conversion
80 kilograms (kg) = 176.4 pounds (lbs)
80 pounds (lbs) = 36.3 kilograms (kg)
Length conversion
80 kilometers (km) equals to 49.710 miles (mi).
80 miles (mi) equals to 128.748 kilometers (km).
80 meters (m) equals to 128.748 feet (ft).
80 feet (ft) equals 24.384 meters (m).
80 centimeters (cm) equals to 31.5 inches (in).
80 inches (in) equals to 203.2 centimeters (cm).
Temperature conversion
80° Fahrenheit (°F) equals to 26.7° Celsius (°C)
80° Celsius (°C) equals to 176° Fahrenheit (°F)
Power conversion
80 Horsepower (hp) equals to 58.83 kilowatts (kW)
80 kilowatts (kW) equals to 108.78 horsepower (hp)
Time conversion
(hours, minutes, seconds, days, weeks)80 seconds equals to 1 minute, 20 seconds
80 minutes equals to 1 hour, 20 minutes
Codes and images of the number 80
Number 80 morse code: ---.. -----Sign language for number 80:
Number 80 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
More images, other sizes, codes and colors ... | |
Number 80 infographic |
Year 80 AD
- The Emperor Titus inaugurates the Flavian Amphitheatre with 100 days of games.
- The original Roman Pantheon was destroyed in a fire, together with many other buildings.
- The Eifel Aqueduct was constructed.
- The aeolipile, the first steam engine, was invented by Hero of Alexandria.
- Vologases II of Parthia died.
- Julius Agricola, the Roman Governor of Britain,advanced into Scotland at the head of a Roman Army.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 80 is Buddhist year 623.Buddhist year 80 is Gregorian year 463 a. C.
Gregorian year 80 is Islamic year -559 or -558.
Islamic year 80 is Gregorian year 699 or 700.
Gregorian year 80 is Persian year -543 or -542.
Persian year 80 is Gregorian 701 or 702.
Gregorian year 80 is Hebrew year 3840 or 3841.
Hebrew year 80 is Gregorian year 3680 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.
Share in social networks
Mathematics of no. 80
Multiplications
Multiplication table of 80
80 multiplied by two equals 160 (80 x 2 = 160).
80 multiplied by three equals 240 (80 x 3 = 240).
80 multiplied by four equals 320 (80 x 4 = 320).
80 multiplied by five equals 400 (80 x 5 = 400).
80 multiplied by seven equals 560 (80 x 7 = 560).
80 multiplied by eight equals 640 (80 x 8 = 640).
80 multiplied by nine equals 720 (80 x 9 = 720).
Fractions: decimal fraction and common fraction
Fraction table of 80
Half of 80 is 40 (80 / 2 = 40).
One third of 80 is 26,6667 (80 / 3 = 26,6667 = 26 2/3).
One quarter of 80 is 20 (80 / 4 = 20).
One fifth of 80 is 16 (80 / 5 = 16).
One seventh of 80 is 11,4286 (80 / 7 = 11,4286 = 11 3/7).
One eighth of 80 is 10 (80 / 8 = 10).
One ninth of 80 is 8,8889 (80 / 9 = 8,8889 = 8 8/9).
Calculator
80 | ||||
Advanced math operations
Is Prime?
The number 80 is not a prime number. The closest prime numbers are 79, 83.
The 80th prime number in order is 409.
Factorization and factors (dividers)
The prime factors of 80 are 2 * 2 * 2 * 2 * 5
The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80.
Total factors 10.
Sum of factors 186 (106).
Prime factor tree
Powers
The second power of 80^{2} is 6.400.
The third power of 80^{3} is 512.000.
Roots
The square root √80 is 8,944272.
The cube root of ^{3}√80 is 4,308869.
Logarithms
The natural logarithm of No. ln 80 = log_{e} 80 = 4,382027.
The logarithm to base 10 of No. log_{10} 80 = 1,90309.
The Napierian logarithm of No. log_{1/e} 80 = -4,382027.
Trigonometric functions
The cosine of 80 is -0,110387.The sine of 80 is -0,993889.
The tangent of 80 is 9,003655.
Number 80 in Computer Science
Code type | Code value |
---|---|
Port 80/TCP | HTTP (HyperText Transfer Protocol) - used for transferring web pages |
Ascii | 80 ascii is character P |
Unix time | Unix time 80 is equal to Thursday Jan. 1, 1970, 12:01:20 a.m. GMT |
IPv4, IPv6 | Number 80 internet address in dotted format v4 0.0.0.80, v6 ::50 |
80 Decimal | = 1010000 Binary |
80 Decimal | = 2222 Ternary |
80 Decimal | = 120 Octal |
80 Decimal | = 50 Hexadecimal (0x50 hex) |
80 BASE64 | ODA= |
80 MD5 | f033ab37c30201f73f142449d037028d |
80 SHA1 | b888b29826bb53dc531437e723738383d8339b56 |
80 SHA224 | 0717d705040fdb9b4da516f41c800742b65ce06ad584154c9a6599d0 |
80 SHA256 | 48449a14a4ff7d79bb7a1b6f3d488eba397c36ef25634c111b49baf362511afc |
80 SHA384 | 8e3f10fab019b9abbc9a5bc88c789d4715511f4cc93de2bb09c3cea3cfb3858d79e1f4bda5ba8342ea4c8f5607463606 |
More SHA codes related to the number 80 ... |
If you know something interesting about the 80 number that you did not find on this page, do not hesitate to write us here.
Numerology 80
The meaning of the number 8 (eight), numerology 8
Character frequency 8: 1
The meaning of the number 0 (zero), numerology 0
Character frequency 0: 1
Interesting facts about the number 80
Asteroids
- (80) Sappho is asteroid number 80. It was discovered by N. R. Pogson from Madras Observatory on 5/2/1864.
Areas, mountains and surfaces
- The total area of Cyprus (main island) is 3,565 square miles (9,234 square km). Country Cyprus, Akrotiri and Dhekelia, Sovereign Base Areas of the United Kingdom, and Northern Cyprus. 80th largest island in the world.
Distances between cities
- There is a 80 miles (128 km) direct distance between Brooklyn (USA) and Philadelphia (USA).
- There is a 80 miles (128 km) direct distance between Caracas (Venezuela) and Valencia (Venezuela).
- There is a 50 miles (80 km) direct distance between Changzhou (China) and Suzhou (China).
- There is a 80 miles (128 km) direct distance between Sūrat (India) and Vadodara (India).
- More distances between cities ...
Games
History and politics
- United Nations Security Council Resolution number 80, adopted 14 March 1950. Commending India, Pakistan and Kashmir for ceasefire agreements. Resolution text.
Mathematics
- 80 is the smallest cubeful integer with a cubeful successor
- 80 is the smallest number n where n and n+1 are both products of 4 or more primes.
Motorsport and cars
- The Audi 80 is a D-segment passenger car produced by the German manufacturer Audi from 1972 to 1996.
Science
- Mercury is the chemical element in the periodic table that has the symbol Hg and atomic number 80.
Sports
- The best athletes to wear number 80
Jerry Rice, NFL; Kellen Winslow, NFL; Steve Largent, NFL; Chris Carter, NFL
Weapons
- The T-80 is a main battle tank that was designed and manufactured in the former Soviet Union and manufactured in Russia.
Please write us
If you know something interesting about the number 80 or any natural number (positive integer), please write to us.№ 80 in other languages
Spanish: | 🔊 (número 80) | ochenta |
German: | 🔊 (Nummer 80) | achtzig |
French: | 🔊 (nombre 80) | quatre-vingts |
Portuguese: | 🔊 (número 80) | oitenta |
Hindi: | 🔊 (संख्या 80) | अस्सी |
Chinese: | 🔊 (数 80) | 八十 |
Arabian: | 🔊 (عدد 80) | ثمانون |
Czech: | 🔊 (číslo 80) | osmdesát |
Korean: | 🔊 (번호 80) | 팔십 |
Danish: | 🔊 (nummer 80) | firs |
Hebrew: | (מספר 80) | שמונים |
Dutch: | 🔊 (nummer 80) | tachtig |
Japanese: | 🔊 (数 80) | 八十 |
Indonesian: | 🔊 (jumlah 80) | delapan puluh |
Italian: | 🔊 (numero 80) | ottanta |
Norwegian: | 🔊 (nummer 80) | åtti |
Polish: | 🔊 (liczba 80) | osiemdziesiąt |
Russian: | 🔊 (номер 80) | восемьдесят |
Turkish: | 🔊 (numara 80) | seksen |
Thai: | 🔊 (จำนวน 80) | แปดสิบ |
Ukrainian: | 🔊 (номер 80) | вісімдесят |
Vietnamese: | 🔊 (con số 80) | tám mươi |
Other languages ... |
News to email
Comment
The content of the comments is the opinion of the users and not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illegal or harmful to third parties. Number.academy reserves the right to remove or not publish any inappropriate comment. It also reserves the right to publish a comment on another topic. Privacy Policy.
Frequently asked questions about the number 80
How do you write the number 80 in words?
80 can be written as "eighty".
Number 80 in News
BBC: 'A story of absolute heroism': 80 years on from WW2 sabotage mission
In 1943, Operation Jaywick sent 14 men from Australia on a mission to sink Japanese ships in Singapore. Sept. 26, 2023 |
BBC: The leafy street where 80 fake firms have sham addresses
Financial crime experts say "burner companies" are "most likely part of a criminal network". Sept. 14, 2023 |
The Sydney Morning Herald: One BBC journalist cops more than 80 per cent of abuse aimed at broadcaster
Even Marianna Spring’s hiring by the BBC is fodder for conspiracy theorists who “love to say that [the BBC] created my role because they knew COVID was coming”. Aug. 7, 2023 |
France24: Nearly 80 migrants drown in deadliest shipwreck off Greece this year
At least 78 migrants died after their fishing boat sank off the Peloponnese, Greece's coastguard said Wednesday, as fears mounted that the death toll could rise much higher. June 14, 2023 |
BBC: Nicola Sturgeon's arrest over SNP finances - in 80 seconds
Scotland's former first minister was questioned by police before being released without charge pending further investigations. June 11, 2023 |