21,313,004,731 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 21313004731 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

21313004731 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 21313004731:


See below for interesting mathematical facts about the number 21313004731 from the Numbermatics database.

Names of 21313004731

  • Cardinal: 21313004731 can be written as Twenty-one billion, three hundred thirteen million, four thousand, seven hundred thirty-one.

Scientific notation

  • Scientific notation: 2.1313004731 × 1010

Factors of 21313004731

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 21313004731

Divisors of 21313004731

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21313004732
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 21313004731 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21313004730

Bases of 21313004731

  • Binary: 100111101100101101010100100101110112
  • Hexadecimal: 0x4F65AA4BB
  • Base-36: 9SH7NP7

Squares and roots of 21313004731

  • 21313004731 squared (213130047312) is 454244170663628382361
  • 21313004731 cubed (213130047313) is 9681308158383083122885869949891
  • The square root of 21313004731 is 145989.7418690779
  • The cube root of 21313004731 is 2772.5638758357

Scales and comparisons

How big is 21313004731?
  • 21,313,004,731 seconds is equal to 677 years, 35 weeks, 5 days, 7 hours, 5 minutes, 31 seconds.
  • To count from 1 to 21,313,004,731 would take you about one thousand, three hundred fifty-five years!

    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 21313004731 cubic inches would be around 231 feet tall.

Recreational maths with 21313004731

  • 21313004731 backwards is 13740031312
  • The number of decimal digits it has is: 11
  • The sum of 21313004731's digits is 25
  • More coming soon!

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"Number 21313004731 - Facts about the integer". Numbermatics.com. 2024. Web. 20 July 2024.

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Numbermatics. (2024). Number 21313004731 - Facts about the integer. Retrieved 20 July 2024, from https://numbermatics.com/n/21313004731/

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Numbermatics. 2024. "Number 21313004731 - Facts about the integer". https://numbermatics.com/n/21313004731/

The information we have on file for 21313004731 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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