21164660557840800

21,164,660,557,840,800 is an even composite number composed of ten prime numbers multiplied together.

What does the number 21164660557840800 look like?

This visualization shows the relationship between its 10 prime factors (large circles) and 15552 divisors.

21164660557840800 is an even composite number. It is composed of ten distinct prime numbers multiplied together. It has a total of fifteen thousand, five hundred fifty-two divisors.

Prime factorization of 21164660557840800:

25 × 32 × 52 × 72 × 112 × 13 × 23 × 31 × 89 × 601

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 11 × 11 × 13 × 23 × 31 × 89 × 601)

See below for interesting mathematical facts about the number 21164660557840800 from the Numbermatics database.


Names of 21164660557840800

  • Cardinal: 21164660557840800 can be written as Twenty-one quadrillion, one hundred sixty-four trillion, six hundred sixty billion, five hundred fifty-seven million, eight hundred forty thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.11646605578408 × 1016

Factors of 21164660557840800

  • Number of distinct prime factors ω(n): 10
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 785

Divisors of 21164660557840800

Bases of 21164660557840800

  • Binary: 10010110011000100100101100010100101011110000001101000002
  • Hexadecimal: 0x4B31258A5781A0
  • Base-36: 5SE8UU0SO80

Squares and roots of 21164660557840800

  • 21164660557840800 squared (211646605578408002) is 447942856528622043442358144640000
  • 21164660557840800 cubed (211646605578408003) is 9480558507737867258174483341056243692493312000000
  • The square root of 21164660557840800 is 145480791.0269971003
  • The cube root of 21164660557840800 is 276611.6300036361

Scales and comparisons

How big is 21164660557840800?
  • 21,164,660,557,840,800 seconds is equal to 672,970,739 years, 7 weeks, 4 days, 2 hours.
  • To count from 1 to 21,164,660,557,840,800 would take you about two billion, eighteen million, nine hundred twelve thousand, two hundred seventeen 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 21164660557840800 cubic inches would be around 23051 feet tall.

Recreational maths with 21164660557840800

  • 21164660557840800 backwards is 00804875506646112
  • 21164660557840800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21164660557840800's digits is 63
  • More coming soon!

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"Number 21164660557840800 - Facts about the integer". Numbermatics.com. 2024. Web. 9 June 2024.

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Numbermatics. (2024). Number 21164660557840800 - Facts about the integer. Retrieved 9 June 2024, from https://numbermatics.com/n/21164660557840800/

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The information we have on file for 21164660557840800 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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