21042804949966800

21,042,804,949,966,800 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21042804949966800 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 4320 divisors.

21042804949966800 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of four thousand, three hundred twenty divisors.

Prime factorization of 21042804949966800:

24 × 32 × 52 × 7 × 11 × 132 × 17 × 16381 × 1613

(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 11 × 13 × 13 × 17 × 16381 × 1613)

See below for interesting mathematical facts about the number 21042804949966800 from the Numbermatics database.


Names of 21042804949966800

  • Cardinal: 21042804949966800 can be written as Twenty-one quadrillion, forty-two trillion, eight hundred four billion, nine hundred forty-nine million, nine hundred sixty-six thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.10428049499668 × 1016

Factors of 21042804949966800

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 15
  • Sum of prime factors: 18052

Divisors of 21042804949966800

Bases of 21042804949966800

  • Binary: 10010101100001001010001110100100001111011011111110100002
  • Hexadecimal: 0x4AC251D21EDFD0
  • Base-36: 5R71V5234K0

Squares and roots of 21042804949966800

  • 21042804949966800 squared (210428049499668002) is 442799640162347260251321102240000
  • 21042804949966800 cubed (210428049499668003) is 9317746459851758783582048005214984227405632000000
  • The square root of 21042804949966800 is 145061383.3863678553
  • The cube root of 21042804949966800 is 276079.7437694757

Scales and comparisons

How big is 21042804949966800?
  • 21,042,804,949,966,800 seconds is equal to 669,096,107 years, 38 weeks, 3 days, 5 hours.
  • To count from 1 to 21,042,804,949,966,800 would take you about two billion, seven million, two hundred eighty-eight thousand, three hundred twenty-three 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 21042804949966800 cubic inches would be around 23006.6 feet tall.

Recreational maths with 21042804949966800

  • 21042804949966800 backwards is 00866994940824012
  • 21042804949966800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21042804949966800's digits is 72
  • More coming soon!

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"Number 21042804949966800 - Facts about the integer". Numbermatics.com. 2024. Web. 4 June 2024.

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Numbermatics. (2024). Number 21042804949966800 - Facts about the integer. Retrieved 4 June 2024, from https://numbermatics.com/n/21042804949966800/

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Numbermatics. 2024. "Number 21042804949966800 - Facts about the integer". https://numbermatics.com/n/21042804949966800/

The information we have on file for 21042804949966800 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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