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, photo art, writing and naming in other languages. Other interesting facts, videos, news related to 30. ‹‹ 29 31 ››
Interesting facts about the number 30
More photos ...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
- 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 ...
- 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.
Religions
- Ramadan lasts for 29 or 30 days, depending on the lunar calendar. The exact duration is determined by the sighting of the crescent moon: Start: Ramadan begins with the sighting of the crescent moon, marking the start of the ninth month of the Islamic lunar calendar. End: It ends with the sighting of the crescent moon for the next month, Shawwal, which begins with the celebration of Eid al-Fitr.
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 decimal (Arabic) number 30 converted to a Roman number is XXX.
Roman and decimal number conversions.
30 kilograms (kg) = 66.1 pounds (lbs)
30 pounds (lbs) = 13.6 kilograms (kg)
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).
30° Fahrenheit (°F) equals to -1.1° Celsius (°C)
30° Celsius (°C) equals to 86° Fahrenheit (°F)
30 Horsepower (hp) equals to 22.06 kilowatts (kW)
30 kilowatts (kW) equals to 40.79 horsepower (hp)
| The number 30 converted to a Mayan number is |
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| 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:
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| Image (1) of the number | Image (2) of the number |
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| More images, other sizes, codes and colors ... | |
Number 30 infographic
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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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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 302 is 900.
The third power of 303 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 = loge 30 = 3,401197.
The logarithm to base 10 of No. log10 30 = 1,477121.
The Napierian logarithm of No. log1/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
According to Wikipedia, numerology is based on faith, yet many people seek the meaning of the number 30 from a numerological perspective.
More about numerology 30 ...
More about numerology 30 ...
№ 30 in other languages
How to say or write the number thirty in Spanish, German, French and 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: Trump has just sacked 30 ambassadors. The consequences for Australia are profound
In the past year, we have seen a wholesale change in how American power works, and these ambassadorial changes are an emblem of the president’s foreign policy. Dec. 31, 2025 |
| France24: China sees first annual investment decline in 30 years
Despite logging a record trade surplus, economic data for November showed China's domestic woes are deepening. Retail sales grew at their slowest pace in three years and investment slowed sharply, signalling that Chinese consumers and businesses are becoming increasingly cautious. Plus, Roomba maker iRobot has filed for bankruptcy after struggling … Dec. 15, 2025 |
| France24: French court sentences DR Congo ex-rebel chief Lumbala to 30 years over atrocities
A French court on Monday sentenced ex-rebel leader Roger Lumbala to 30 years in jail after finding him guilty of complicity in crimes against humanity in the Democratic Republic of Congo in 2002-2003. Dec. 15, 2025 |
| France24: Peru declares 30 days state of emergency in Lima after wave of violence
Peru's interim president Jose Jeri declared a 30-day state of emergency in Lima and nearby Callao from midnight Tuesday to tackle spiraling crime, authorising army deployment alongside police. The move follows anti-government protests last week that left one dead and over 100 injured. Oct. 22, 2025 |
| The Sydney Morning Herald: In 30 years at The Age, I never wrote on Israel-Palestine. Now, I must
I begin this article with a trigger warning: it is certain to offend almost everyone who is wedded to one side or the other. Aug. 3, 2025 |