21012972546908160

21,012,972,546,908,160 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21012972546908160 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 3136 divisors.

21012972546908160 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three thousand, one hundred thirty-six divisors.

Prime factorization of 21012972546908160:

213 × 36 × 5 × 7 × 13 × 59 × 131071

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 59 × 131071)

See below for interesting mathematical facts about the number 21012972546908160 from the Numbermatics database.


Names of 21012972546908160

  • Cardinal: 21012972546908160 can be written as Twenty-one quadrillion, twelve trillion, nine hundred seventy-two billion, five hundred forty-six million, nine hundred eight thousand, one hundred sixty.

Scientific notation

  • Scientific notation: 2.101297254690816 × 1016

Factors of 21012972546908160

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 24
  • Sum of prime factors: 131160

Divisors of 21012972546908160

Bases of 21012972546908160

  • Binary: 10010101010011100101111111011000101010101100000000000002
  • Hexadecimal: 0x4AA72FEC556000
  • Base-36: 5QWH6BNK000

Squares and roots of 21012972546908160

  • 21012972546908160 squared (210129725469081602) is 441545015257116004411575474585600
  • 21012972546908160 cubed (210129725469081603) is 9278173283821923252893552802640549909937258496000
  • The square root of 21012972546908160 is 144958520.0907768649
  • The cube root of 21012972546908160 is 275949.2159018009

Scales and comparisons

How big is 21012972546908160?
  • 21,012,972,546,908,160 seconds is equal to 668,147,529 years, 31 weeks, 1 day, 9 hours, 36 minutes.
  • To count from 1 to 21,012,972,546,908,160 would take you about two billion, four million, four hundred forty-two thousand, five hundred eighty-eight 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 21012972546908160 cubic inches would be around 22995.8 feet tall.

Recreational maths with 21012972546908160

  • 21012972546908160 backwards is 06180964527921012
  • 21012972546908160 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21012972546908160's digits is 63
  • More coming soon!

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"Number 21012972546908160 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.

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Numbermatics. (2024). Number 21012972546908160 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/21012972546908160/

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Numbermatics. 2024. "Number 21012972546908160 - Facts about the integer". https://numbermatics.com/n/21012972546908160/

The information we have on file for 21012972546908160 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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