Number 30 facts
The even number 30 is spelled 🔊, and written in words: thirty. The ordinal number 30th is said 🔊 and written as: thirtieth. Phone prefix +30 or 0030. The meaning of the number 30 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 30. What is 30 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, videos, news related to 30.
Interesting facts about the number 30
Asteroids
- (30) Urania is asteroid number 30. It was discovered by J. R. Hind from George Bishop Observatory on 7/22/1854.
Areas, mountains and surfaces
- The total area of Severny Island (Novaya Zemlya, north) is 18,177 square miles (47,079 square km). Country Russia (Arkhangelsk). 30th largest island in the world.
Astrology
- It is one of the lucky numbers for the Cancer zodiac sign.
- What is astrology and what is it for?
Distances between cities
- There is a 19 miles (30 km) direct distance between Bucheon-si (South Korea) and Suwon-si (South Korea).
- There is a 30 miles (48 km) direct distance between Dallas (USA) and Fort Worth (USA).
- There is a 19 miles (30 km) direct distance between Farīdābād (India) and Ghāziābād (India).
- There is a 19 miles (30 km) direct distance between Hong Kong (Hong Kong) and Shenzhen (China).
- More distances between cities ...
- There is a 19 miles (30 km) direct distance between Seoul (South Korea) and Suwon-si (South Korea).
- There is a 30 miles (48 km) direct distance between Yokohama (Japan) and Yono (Japan).
Economy
- The DAX or Xetra DAX index is the benchmark stock index of the Frankfurter Wertpapierbörse (Frankfurt Stock Exchange). It is also known as Dax 30. It is the best known index on the German Stock Exchange. Read more .
Games
History and politics
- United Nations Security Council Resolution number 30, adopted 25 August 1947. Indonesian National Revolution. Resolution text.
Mathematics
- 30 is the first sphenic number, that is the smallest number with 3 distinct prime divisors
- 30 is the largest number with the property that all smaller numbers relatively prime to it are prime.
Mobile and telephony
- Number 30 or +30 or 0030 is a dial the international call prefix for Greece. (00/+) is dial the international call prefix.
Music
- Aitch - 30 (Official Video)
- '30 Seconds' is a song by the American singer-songwriter Tracy Bonham.
- '30 Minut 'is a single by the tATu group, released in 2001. Also known as' Полчаса' (Half an hour). The authors of the song are Sergey Galoyan, Valery Polienko, Ivan Shapovalov.
- '30 Seconds to Mars' (also Thirty Seconds to Mars, abbreviated as 30STM or TSTM) is an American alternative rock band formed in 1998 in Los Angeles (California).
- '30 Days ', in Spanish '30 days', is a song by the English-Irish group The Saturdays.
- '30 Minute Love Affair ', in Spanish '30 minutes of love', is a song performed by the English artist Paloma Faith.
- More music ...
- '30 for 30 Freestyle 'is a song by Canadian singer Drake and American artist Future.
Science
- Zinc is the chemical element in the periodic table that has the symbol Zn and atomic number 30.
Sports
- The best athletes to wear number 30
Nolan Ryan, MLB; Martin Brodeur, NHL; Terrell Davis, NFL; Stephen Curry, NBA; Maury Wills, MLB; Bernard King, NBA
Please write us
If you know something interesting about the number 30 or any natural number (positive integer), please write to us.What is 30 in other units
The number 30 converted to a Mayan number is | |
Decimal and Mayan number conversions. |
Weight conversion
30 kilograms (kg) = 66.1 pounds (lbs)
30 pounds (lbs) = 13.6 kilograms (kg)
Length conversion
30 kilometers (km) equals to 18.641 miles (mi).
30 miles (mi) equals to 48.280 kilometers (km).
30 meters (m) equals to 48.280 feet (ft).
30 feet (ft) equals 9.144 meters (m).
30 centimeters (cm) equals to 11.8 inches (in).
30 inches (in) equals to 76.2 centimeters (cm).
Temperature conversion
30° Fahrenheit (°F) equals to -1.1° Celsius (°C)
30° Celsius (°C) equals to 86° Fahrenheit (°F)
Power conversion
30 Horsepower (hp) equals to 22.06 kilowatts (kW)
30 kilowatts (kW) equals to 40.79 horsepower (hp)
Codes and images of the number 30
Number 30 morse code: ...-- -----Sign language for number 30:
Number 30 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
More images, other sizes, codes and colors ... | |
Number 30 infographic |
Year 30 AD
- Phaedrus translated Aesop's fables, and composed some of his own.
- Velleius Paterculus wrote the general history of the countries known in Antiquity.
- Nerva, Roman emperor, was born.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 30 is Buddhist year 573.Buddhist year 30 is Gregorian year 513 a. C.
Gregorian year 30 is Islamic year -610 or -609.
Islamic year 30 is Gregorian year 650 or 651.
Gregorian year 30 is Persian year -593 or -592.
Persian year 30 is Gregorian 651 or 652.
Gregorian year 30 is Hebrew year 3790 or 3791.
Hebrew year 30 is Gregorian year 3730 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. 30
Multiplications
Multiplication table of 30
30 multiplied by two equals 60 (30 x 2 = 60).
30 multiplied by three equals 90 (30 x 3 = 90).
30 multiplied by four equals 120 (30 x 4 = 120).
30 multiplied by five equals 150 (30 x 5 = 150).
30 multiplied by seven equals 210 (30 x 7 = 210).
30 multiplied by eight equals 240 (30 x 8 = 240).
30 multiplied by nine equals 270 (30 x 9 = 270).
Fractions: decimal fraction and common fraction
Fraction table of 30
Half of 30 is 15 (30 / 2 = 15).
One third of 30 is 10 (30 / 3 = 10).
One quarter of 30 is 7,5 (30 / 4 = 7,5 = 7 1/2).
One fifth of 30 is 6 (30 / 5 = 6).
One seventh of 30 is 4,2857 (30 / 7 = 4,2857 = 4 2/7).
One eighth of 30 is 3,75 (30 / 8 = 3,75 = 3 3/4).
One ninth of 30 is 3,3333 (30 / 9 = 3,3333 = 3 1/3).
Calculator
30 | ||||
Advanced math operations
Is Prime?
The number 30 is not a prime number. The closest prime numbers are 29, 31.
The 30th prime number in order is 113.
Factorization and factors (dividers)
The prime factors of 30 are 2 * 3 * 5
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30.
Total factors 8.
Sum of factors 72 (42).
Prime factor tree
Powers
The second power of 30^{2} is 900.
The third power of 30^{3} is 27.000.
Roots
The square root √30 is 5,477226.
The cube root of ^{3}√30 is 3,107233.
Logarithms
The natural logarithm of No. ln 30 = log_{e} 30 = 3,401197.
The logarithm to base 10 of No. log_{10} 30 = 1,477121.
The Napierian logarithm of No. log_{1/e} 30 = -3,401197.
Trigonometric functions
The cosine of 30 is 0,154251.The sine of 30 is -0,988032.
The tangent of 30 is -6,405331.
Number 30 in Computer Science
Code type | Code value |
---|---|
Unix time | Unix time 30 is equal to Thursday Jan. 1, 1970, 12:30 a.m. GMT |
IPv4, IPv6 | Number 30 internet address in dotted format v4 0.0.0.30, v6 ::1e |
30 Decimal | = 11110 Binary |
30 Decimal | = 1010 Ternary |
30 Decimal | = 36 Octal |
30 Decimal | = 1E Hexadecimal (0x1e hex) |
30 BASE64 | MzA= |
30 MD5 | 34173cb38f07f89ddbebc2ac9128303f |
30 SHA1 | 22d200f8670dbdb3e253a90eee5098477c95c23d |
30 SHA224 | 6332531eeafc6e0ede272192be898f549950fb32b209d04f0a98306a |
30 SHA256 | 624b60c58c9d8bfb6ff1886c2fd605d2adeb6ea4da576068201b6c6958ce93f4 |
30 SHA384 | 32f5039553078543bf8748756a64c8b02338afbc1ee3c70dde5988760c3b8833e0e3c830fea5b65f08cb803842eb6ed6 |
More SHA codes related to the number 30 ... |
If you know something interesting about the 30 number that you did not find on this page, do not hesitate to write us here.
Numerology 30
The meaning of the number 3 (three), numerology 3
Character frequency 3: 1
The meaning of the number 0 (zero), numerology 0
Character frequency 0: 1
№ 30 in other languages
Spanish: | 🔊 (número 30) | treinta |
German: | 🔊 (Nummer 30) | dreißig |
French: | 🔊 (nombre 30) | trente |
Portuguese: | 🔊 (número 30) | trinta |
Hindi: | 🔊 (संख्या 30) | तीस |
Chinese: | 🔊 (数 30) | 三十 |
Arabian: | 🔊 (عدد 30) | ثلاثون |
Czech: | 🔊 (číslo 30) | třicet |
Korean: | 🔊 (번호 30) | 삼십 |
Danish: | 🔊 (nummer 30) | tredive |
Hebrew: | (מספר 30) | שלשים |
Dutch: | 🔊 (nummer 30) | dertig |
Japanese: | 🔊 (数 30) | 三十 |
Indonesian: | 🔊 (jumlah 30) | tiga puluh |
Italian: | 🔊 (numero 30) | trenta |
Norwegian: | 🔊 (nummer 30) | tretti |
Polish: | 🔊 (liczba 30) | trzydzieści |
Russian: | 🔊 (номер 30) | тридцать |
Turkish: | 🔊 (numara 30) | otuz |
Thai: | 🔊 (จำนวน 30) | สามสิบ |
Ukrainian: | 🔊 (номер 30) | тридцять |
Vietnamese: | 🔊 (con số 30) | ba mươi |
Other languages ... |
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Frequently asked questions about the number 30
How do you write the number 30 in words?
30 can be written as "thirty".
Number 30 in News
The Sydney Morning Herald: ‘Coping magnificently’: Harry flies home to spend 30 minutes with King Charles
The Duke of Sussex, travelling without his wife Meghan and their small children, flew from Los Angeles to London’s Heathrow overnight. Feb. 7, 2024 |
NASA: NASA Audio Specialist Named in Forbes 30 Under 30 List of Innovators
Katie Konans, NASA’s audio and podcasting lead at the agency’s Goddard Space Flight Center in Greenbelt, Maryland, is one of two NASA employees named to Forbes’ 30 Under 30 Class of 2024. The other agency honoree, Clare Luckey, is a systems engineer at NASA’s Johnson Space Center in Houston. Forbes’ … Dec. 4, 2023 |
France24: UN mission to visit Nagorno-Karabakh for first time in nearly 30 years
Azerbaijan has invited a United Nations mission to visit Nagorno-Karabakh "in the coming days", the foreign ministry said on Friday, amid a mass exodus of ethnic Armenians from the region following a lightning Azerbaijani military offensive. Sept. 30, 2023 |
France24: Attendance at Women's World Cup matches up nearly 30 percent from 2019
Attendances at the Women's World Cup are up nearly 30 percent on 2019, FIFA said Friday, declaring that the tournament in Australia and New Zealand had "exceeded expectations in many ways". Aug. 4, 2023 |
France24: Algerian wildfires kill more than 30 people amid blistering heatwave
Wildfires raging across Algeria during a blistering heatwave have killed more than 30 people and forced mass evacuations, the government said on Monday. July 24, 2023 |