21145721679089280

21,145,721,679,089,280 is an even composite number composed of ten prime numbers multiplied together.

What does the number 21145721679089280 look like?

This visualization shows the relationship between its 10 prime factors (large circles) and 6144 divisors.

21145721679089280 is an even composite number. It is composed of ten distinct prime numbers multiplied together. It has a total of six thousand, one hundred forty-four divisors.

Prime factorization of 21145721679089280:

27 × 32 × 5 × 7 × 13 × 29 × 41 × 127 × 433 × 617

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 29 × 41 × 127 × 433 × 617)

See below for interesting mathematical facts about the number 21145721679089280 from the Numbermatics database.


Names of 21145721679089280

  • Cardinal: 21145721679089280 can be written as Twenty-one quadrillion, one hundred forty-five trillion, seven hundred twenty-one billion, six hundred seventy-nine million, eighty-nine thousand, two hundred eighty.

Scientific notation

  • Scientific notation: 2.114572167908928 × 1016

Factors of 21145721679089280

  • Number of distinct prime factors ω(n): 10
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 1277

Divisors of 21145721679089280

Bases of 21145721679089280

  • Binary: 10010110001111111101011111111010011001110001110100000002
  • Hexadecimal: 0x4B1FEBFD338E80
  • Base-36: 5S7J6FLDI80

Squares and roots of 21145721679089280

  • 21145721679089280 squared (211457216790892802) is 447141545329506359104010210918400
  • 21145721679089280 cubed (211457216790892803) is 9455130668695624613241046060595379411624394752000
  • The square root of 21145721679089280 is 145415685.8082692535
  • The cube root of 21145721679089280 is 276529.0981265047

Scales and comparisons

How big is 21145721679089280?
  • 21,145,721,679,089,280 seconds is equal to 672,368,541 years, 19 weeks, 6 days, 12 hours, 48 minutes.
  • To count from 1 to 21,145,721,679,089,280 would take you about two billion, seventeen million, one hundred five thousand, six 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 21145721679089280 cubic inches would be around 23044.1 feet tall.

Recreational maths with 21145721679089280

  • 21145721679089280 backwards is 08298097612754112
  • 21145721679089280 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21145721679089280's digits is 72
  • More coming soon!

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"Number 21145721679089280 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 21145721679089280 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/21145721679089280/

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The information we have on file for 21145721679089280 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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