12909

12,909 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12909 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

12909 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 12909:

3 × 13 × 331

See below for interesting mathematical facts about the number 12909 from the Numbermatics database.


Names of 12909

  • Cardinal: 12909 can be written as Twelve thousand, nine hundred nine.

Scientific notation

  • Scientific notation: 1.2909 × 104

Factors of 12909

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 347

Divisors of 12909

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 18592
  • Sum of proper divisors (its aliquot sum) s(n): 5683
  • 12909 is a deficient number, because the sum of its proper divisors (5683) is less than itself. Its deficiency is 7226

Bases of 12909

  • Binary: 110010011011012
  • Hexadecimal: 0x326D
  • Base-36: 9YL

Squares and roots of 12909

  • 12909 squared (129092) is 166642281
  • 12909 cubed (129093) is 2151185205429
  • The square root of 12909 is 113.6177802987
  • The cube root of 12909 is 23.4583538839

Scales and comparisons

How big is 12909?
  • 12,909 seconds is equal to 3 hours, 35 minutes, 9 seconds.
  • To count from 1 to 12,909 would take you about three hours.

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 12909 cubic inches would be around 2 feet tall.

Recreational maths with 12909

  • 12909 backwards is 90921
  • The number of decimal digits it has is: 5
  • The sum of 12909's digits is 21
  • More coming soon!

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"Number 12909 - Facts about the integer". Numbermatics.com. 2021. Web. 7 March 2021.

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Numbermatics. (2021). Number 12909 - Facts about the integer. Retrieved 7 March 2021, from https://numbermatics.com/n/12909/

Chicago style:
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The information we have on file for 12909 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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