21385090420356960

21,385,090,420,356,960 is an even composite number composed of eight prime numbers multiplied together.

What does the number 21385090420356960 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 1728 divisors.

21385090420356960 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.

Prime factorization of 21385090420356960:

25 × 32 × 5 × 112 × 23 × 433 × 2551 × 4831

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 23 × 433 × 2551 × 4831)

See below for interesting mathematical facts about the number 21385090420356960 from the Numbermatics database.


Names of 21385090420356960

  • Cardinal: 21385090420356960 can be written as Twenty-one quadrillion, three hundred eighty-five trillion, ninety billion, four hundred twenty million, three hundred fifty-six thousand, nine hundred sixty.

Scientific notation

  • Scientific notation: 2.138509042035696 × 1016

Factors of 21385090420356960

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 14
  • Sum of prime factors: 7859

Divisors of 21385090420356960

Bases of 21385090420356960

  • Binary: 10010111111100110100000010111011111111010110111011000002
  • Hexadecimal: 0x4BF9A05DFEB760
  • Base-36: 5UKDQWXLW80

Squares and roots of 21385090420356960

  • 21385090420356960 squared (213850904203569602) is 457322092286843020152773820441600
  • 21385090420356960 cubed (213850904203569603) is 9779874294780968256375661848426194472416833536000
  • The square root of 21385090420356960 is 146236419.6100169843
  • The cube root of 21385090420356960 is 277568.6183490565

Scales and comparisons

How big is 21385090420356960?
  • 21,385,090,420,356,960 seconds is equal to 679,979,726 years, 48 weeks, 5 days, 23 hours, 36 minutes.
  • To count from 1 to 21,385,090,420,356,960 would take you about two billion, thirty-nine million, nine hundred thirty-nine thousand, one hundred eighty 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 21385090420356960 cubic inches would be around 23130.7 feet tall.

Recreational maths with 21385090420356960

  • 21385090420356960 backwards is 06965302409058312
  • The number of decimal digits it has is: 17
  • The sum of 21385090420356960's digits is 63
  • More coming soon!

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"Number 21385090420356960 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.

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Numbermatics. (2024). Number 21385090420356960 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/21385090420356960/

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Numbermatics. 2024. "Number 21385090420356960 - Facts about the integer". https://numbermatics.com/n/21385090420356960/

The information we have on file for 21385090420356960 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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