21821448840946920

21,821,448,840,946,920 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21821448840946920 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4096 divisors.

21821448840946920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand and ninety-six divisors.

Prime factorization of 21821448840946920:

23 × 33 × 5 × 113 × 173 × 373 × 61

(2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 11 × 17 × 17 × 17 × 37 × 37 × 37 × 61)

See below for interesting mathematical facts about the number 21821448840946920 from the Numbermatics database.


Names of 21821448840946920

  • Cardinal: 21821448840946920 can be written as Twenty-one quadrillion, eight hundred twenty-one trillion, four hundred forty-eight billion, eight hundred forty million, nine hundred forty-six thousand, nine hundred twenty.

Scientific notation

  • Scientific notation: 2.182144884094692 × 1016

Factors of 21821448840946920

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 136

Divisors of 21821448840946920

Bases of 21821448840946920

  • Binary: 10011011000011001111101111110101010011000100100111010002
  • Hexadecimal: 0x4D867DFAA624E8
  • Base-36: 5YV237ESBU0

Squares and roots of 21821448840946920

  • 21821448840946920 squared (218214488409469202) is 476175629518063678272042257486400
  • 21821448840946920 cubed (218214488409469203) is 10390842138834120638378834582286946850235021888000
  • The square root of 21821448840946920 is 147720847.6855820105
  • The cube root of 21821448840946920 is 279443.8315534713

Scales and comparisons

How big is 21821448840946920?
  • 21,821,448,840,946,920 seconds is equal to 693,854,574 years, 50 weeks, 2 days, 17 hours, 42 minutes.
  • To count from 1 to 21,821,448,840,946,920 would take you about two billion, eighty-one million, five hundred sixty-three thousand, seven hundred twenty-four 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 21821448840946920 cubic inches would be around 23287 feet tall.

Recreational maths with 21821448840946920

  • 21821448840946920 backwards is 02964904884412812
  • 21821448840946920 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21821448840946920's digits is 72
  • More coming soon!

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"Number 21821448840946920 - Facts about the integer". Numbermatics.com. 2024. Web. 29 May 2024.

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Numbermatics. (2024). Number 21821448840946920 - Facts about the integer. Retrieved 29 May 2024, from https://numbermatics.com/n/21821448840946920/

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Numbermatics. 2024. "Number 21821448840946920 - Facts about the integer". https://numbermatics.com/n/21821448840946920/

The information we have on file for 21821448840946920 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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