21123981964800

21,123,981,964,800 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21123981964800 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4800 divisors.

21123981964800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, eight hundred divisors.

Prime factorization of 21123981964800:

29 × 34 × 52 × 11 × 13 × 173 × 29

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 11 × 13 × 17 × 17 × 17 × 29)

See below for interesting mathematical facts about the number 21123981964800 from the Numbermatics database.


Names of 21123981964800

  • Cardinal: 21123981964800 can be written as Twenty-one trillion, one hundred twenty-three billion, nine hundred eighty-one million, nine hundred sixty-four thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.11239819648 × 1013

Factors of 21123981964800

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 80

Divisors of 21123981964800

Bases of 21123981964800

  • Binary: 1001100110110010011110111000011110110000000002
  • Hexadecimal: 0x13364F70F600
  • Base-36: 7HK81GG00

Squares and roots of 21123981964800

  • 21123981964800 squared (211239819648002) is 446222614049195668439040000
  • 21123981964800 cubed (211239819648003) is 9425998451461120400052561528225792000000
  • The square root of 21123981964800 is 4596083.3287485117
  • The cube root of 21123981964800 is 27643.4299991407

Scales and comparisons

How big is 21123981964800?
  • 21,123,981,964,800 seconds is equal to 671,677 years, 14 weeks, 6 days.
  • To count from 1 to 21,123,981,964,800 would take you about one million, six hundred seventy-nine thousand, one hundred ninety-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 21123981964800 cubic inches would be around 2303.6 feet tall.

Recreational maths with 21123981964800

  • 21123981964800 backwards is 00846918932112
  • 21123981964800 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 21123981964800's digits is 54
  • More coming soon!

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"Number 21123981964800 - Facts about the integer". Numbermatics.com. 2024. Web. 8 June 2024.

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Numbermatics. (2024). Number 21123981964800 - Facts about the integer. Retrieved 8 June 2024, from https://numbermatics.com/n/21123981964800/

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Numbermatics. 2024. "Number 21123981964800 - Facts about the integer". https://numbermatics.com/n/21123981964800/

The information we have on file for 21123981964800 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!

Keywords: Divisors of 21123981964800, math, Factors of 21123981964800, curriculum, school, college, exams, university, Prime factorization of 21123981964800, STEM, science, technology, engineering, physics, economics, calculator, twenty-one trillion, one hundred twenty-three billion, nine hundred eighty-one million, nine hundred sixty-four thousand, eight hundred.

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