Number 309 facts

The odd number 309 is spelled 🔊, and written in words: three hundred and nine. The ordinal number 309th is said 🔊 and written as: three hundred and ninth. The meaning of the number 309 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 309. What is 309 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts related to 309.

Interesting facts about the number 309


  • (309) Fraternitas is asteroid number 309. It was discovered by J. Palisa from Vienna Observatory on 4/6/1891.

Areas, mountains and surfaces

  • The total area of Rowley Island is 420 square miles (1,090 square km). Country Canada (Nunavut). 309th largest island in the world.

Distances between cities

  • There is a 193 miles (309 km) direct distance between Aleppo (Syria) and Damascus (Syria).
  • There is a 193 miles (309 km) direct distance between Bandung (Indonesia) and Semarang (Indonesia).
  • There is a 309 miles (496 km) direct distance between Bareilly (India) and Jalandhar (India).
  • There is a 309 miles (497 km) direct distance between Benxi (China) and Seoul (South Korea).
  • More distances between cities ...
  • There is a 309 miles (497 km) direct distance between Dalian (China) and Tai’an (China).
  • There is a 309 miles (496 km) direct distance between Hefei (China) and Xinxiang (China).
  • There is a 309 miles (497 km) direct distance between Huaibei (China) and Shijiazhuang (China).
  • There is a 193 miles (309 km) direct distance between Jinan (China) and Qingdao (China).
  • There is a 193 miles (309 km) direct distance between Johor Bahru (Malaysia) and Kampung Baru Subang (Malaysia).
  • There is a 193 miles (309 km) direct distance between Johor Bahru (Malaysia) and Klang (Malaysia).
  • There is a 309 miles (497 km) direct distance between Kazan (Russia) and Perm (Russia).
  • There is a 309 miles (496 km) direct distance between Köln (Germany) and London (United Kingdom).
  • There is a 193 miles (309 km) direct distance between Madurai (India) and Mysore (India).
  • There is a 193 miles (309 km) direct distance between Tai’an (China) and Xinxiang (China).


  • E-309 Delta-Tocopherol food additive of chemical origin is classified as an antioxidant. E-309 is considered tolerable.


  • Pokémon Electrike (Rakurai) is a Pokémon number # 309 of the National Pokédex. Electrike is an electric type Pokémon in the third generation. It is a Field Egg group Pokémon. Electrike's other indexes are Hoenn index 078 , Kalos Centro index 073 - Coastal Zone Pokédex.

History and politics

  • United Nations Security Council Resolution number 309, adopted 4 February 1972. Secretary-General and contacts with South Africa regarding Namibia. Resolution text.


  • 309 is the smallest number n such that σ(n-1) + σ(n+1) = σ(2n)
  • 309 is the smallest number whose 5th power contains every digit at least once.

Mobile and telephony

  • 309 is an area code for Peoria, Illinois (IL), USA, according to the North American Numbering Plan.

What is 309 in other units

The decimal (Arabic) number 309 converted to a Roman number is CCCIX. Roman and decimal number conversions.
The number 309 converted to a Mayan number is mayan number 309
Decimal and Mayan number conversions.

Weight conversion

309 kilograms (kg) = 681.2 pounds (lbs)
309 pounds (lbs) = 140.2 kilograms (kg)

Length conversion

309 kilometers (km) equals to 192.004 miles (mi).
309 miles (mi) equals to 497.287 kilometers (km).
309 meters (m) equals to 1014 feet (ft).
309 feet (ft) equals 94.184 meters (m).
309 centimeters (cm) equals to 121.7 inches (in).
309 inches (in) equals to 784.9 centimeters (cm).

Temperature conversion

309° Fahrenheit (°F) equals to 153.9° Celsius (°C)
309° Celsius (°C) equals to 588.2° Fahrenheit (°F)

Power conversion

309 Horsepower (hp) equals to 227.24 kilowatts (kW)
309 kilowatts (kW) equals to 420.18 horsepower (hp)

Time conversion

(hours, minutes, seconds, days, weeks)
309 seconds equals to 5 minutes, 9 seconds
309 minutes equals to 5 hours, 9 minutes

Codes and images of the number 309

Number 309 morse code: ...-- ----- ----.
Sign language for number 309:
Sign language for number 309 Sign language for number 309 Sign language for number 309
Number 309 in braille:
Number 309 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 309 black image Number 309 red image
More images, other sizes, codes and colors ...

Number 309 infographic

Year 309 AD

Pope Marcellus I died.

Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)

Gregorian year 309 is Buddhist year 852.
Buddhist year 309 is Gregorian year 234 a. C.
Gregorian year 309 is Islamic year -323 or -322.
Islamic year 309 is Gregorian year 921 or 922.
Gregorian year 309 is Persian year -314 or -313.
Persian year 309 is Gregorian 930 or 931.
Gregorian year 309 is Hebrew year 4069 or 4070.
Hebrew year 309 is Gregorian year 3451 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 309 is not a prime number. The closest prime numbers are 307, 311.
The 309th prime number in order is 2039.

Factorization and factors (dividers)

The prime factors of 309 are 3 * 103
The factors of 309 are 1, 3, 103, 309.
Total factors 4.
Sum of factors 416 (107).

Prime factor tree


The second power of 3092 is 95.481.
The third power of 3093 is 29.503.629.


The square root √309 is 17,578396.
The cube root of 3309 is 6,760614.


The natural logarithm of No. ln 309 = loge 309 = 5,733341.
The logarithm to base 10 of No. log10 309 = 2,489958.
The Napierian logarithm of No. log1/e 309 = -5,733341.

Trigonometric functions

The cosine of 309 is 0,432151.
The sine of 309 is 0,901801.
The tangent of 309 is 2,086775.

Number 309 in Computer Science

Code typeCode value
(Miscellaneous HTML entities)
Unix timeUnix time 309 is equal to Thursday Jan. 1, 1970, 12:05:09 a.m. GMT
IPv4, IPv6Number 309 internet address in dotted format v4, v6 ::135
309 Decimal = 100110101 Binary
309 Decimal = 102110 Ternary
309 Decimal = 465 Octal
309 Decimal = 135 Hexadecimal (0x135 hex)
309 BASE64MzA5
309 MD5eddea82ad2755b24c4e168c5fc2ebd40
309 SHA1ed2efc1c05342a60c2198a5e96773a237008956b
309 SHA224796ebe09a9e0712286a527607805f48ef4490cb6293e6e03a4ade845
309 SHA25643c727ee4fc7250574d2ef90cfa16626388a10e1b30d36ece1c272953ad2ed9e
309 SHA384c24cc6c08cc8d831bd4476d0fb57ae845698834f7b64db2408105ef6e1057b354649b63c43cdfb1323c62cac817b25e3
More SHA codes related to the number 309 ...

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Numerology 309

The meaning of the number 9 (nine), numerology 9

Character frequency 9: 1

The number 9 (nine) is the sign of ideals, Universal interest and the spirit of combat for humanitarian purposes. It symbolizes the inner Light, prioritizing ideals and dreams, experienced through emotions and intuition. It represents the ascension to a higher degree of consciousness and the ability to display love for others. He/she is creative, idealistic, original and caring.
More about the the number 9 (nine), numerology 9 ...

The meaning of the number 3 (three), numerology 3

Character frequency 3: 1

The number three (3) came to share genuine expression and sensitivity with the world. People associated with this number need to connect with their deepest emotions. The number 3 is characterized by its pragmatism, it is utilitarian, sagacious, dynamic, creative, it has objectives and it fulfills them. He/she is also self-expressive in many ways and with good communication skills.
More about the the number 3 (three), numerology 3 ...

The meaning of the number 0 (zero), numerology 0

Character frequency 0: 1

Everything begins at the zero point and at the zero point everything ends. Many times we do not know the end, but we know the beginning, it is at the zero point.
More about the the number 0 (zero), numerology 0 ...

№ 309 in other languages

How to say or write the number three hundred and nine in Spanish, German, French and other languages.
Spanish: 🔊 (número 309)

trescientos nueve

German: 🔊 (Nummer 309)


French: 🔊 (nombre 309)

trois cent neuf

Portuguese: 🔊 (número 309)

trezentos e nove

Hindi: 🔊 (संख्या 309)

तीन सौ, नौ

Chinese: 🔊 (数 309)


Arabian: 🔊 (عدد 309)

ثلاثمائة و تسعة

Czech: 🔊 (číslo 309)

třista devět

Korean: 🔊 (번호 309)


Danish: 🔊 (nummer 309)

trehundrede og ni

Hebrew: (מספר 309)

שלוש מאות ותשע

Dutch: 🔊 (nummer 309)


Japanese: 🔊 (数 309)


Indonesian: 🔊 (jumlah 309)

tiga ratus sembilan

Italian: 🔊 (numero 309)


Norwegian: 🔊 (nummer 309)

tre hundre og ni

Polish: 🔊 (liczba 309)

trzysta dziewięć

Russian: 🔊 (номер 309)

триста девять

Turkish: 🔊 (numara 309)


Thai: 🔊 (จำนวน 309)


Ukrainian: 🔊 (номер 309)

триста дев'ять

Vietnamese: 🔊 (con số 309)

ba trăm lẻ chín

Other languages ...

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Frequently asked questions about the number 309

  • How do you write the number 309 in words?

    309 can be written as "three hundred and nine".

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