21315508784640000

21,315,508,784,640,000 is an even composite number composed of six prime numbers multiplied together.

What does the number 21315508784640000 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 10400 divisors.

21315508784640000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ten thousand, four hundred divisors.

Prime factorization of 21315508784640000:

212 × 34 × 54 × 73 × 173 × 61

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 7 × 7 × 7 × 17 × 17 × 17 × 61)

See below for interesting mathematical facts about the number 21315508784640000 from the Numbermatics database.


Names of 21315508784640000

  • Cardinal: 21315508784640000 can be written as Twenty-one quadrillion, three hundred fifteen trillion, five hundred eight billion, seven hundred eighty-four million, six hundred forty thousand.

Scientific notation

  • Scientific notation: 2.131550878464 × 1016

Factors of 21315508784640000

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 27
  • Sum of prime factors: 95

Divisors of 21315508784640000

Bases of 21315508784640000

  • Binary: 10010111011101001010111101000010101000010110000000000002
  • Hexadecimal: 0x4BBA57A150B000
  • Base-36: 5TVPTJW8W00

Squares and roots of 21315508784640000

  • 21315508784640000 squared (213155087846400002) is 454350914748065009899929600000000
  • 21315508784640000 cubed (213155087846400003) is 9684720914621599450963757956117561344000000000000
  • The square root of 21315508784640000 is 145998317.7459247303
  • The cube root of 21315508784640000 is 277267.2453937443

Scales and comparisons

How big is 21315508784640000?
  • 21,315,508,784,640,000 seconds is equal to 677,767,246 years, 8 weeks.
  • To count from 1 to 21,315,508,784,640,000 would take you about two billion, thirty-three million, three hundred one thousand, seven hundred thirty-eight 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 21315508784640000 cubic inches would be around 23105.6 feet tall.

Recreational maths with 21315508784640000

  • 21315508784640000 backwards is 00004648780551312
  • 21315508784640000 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21315508784640000's digits is 54
  • More coming soon!

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"Number 21315508784640000 - Facts about the integer". Numbermatics.com. 2024. Web. 16 May 2024.

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Numbermatics. (2024). Number 21315508784640000 - Facts about the integer. Retrieved 16 May 2024, from https://numbermatics.com/n/21315508784640000/

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The information we have on file for 21315508784640000 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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