21138508024381440

21,138,508,024,381,440 is an even composite number composed of six prime numbers multiplied together.

What does the number 21138508024381440 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 5280 divisors.

21138508024381440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five thousand, two hundred eighty divisors.

Prime factorization of 21138508024381440:

221 × 33 × 5 × 74 × 112 × 257

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 7 × 11 × 11 × 257)

See below for interesting mathematical facts about the number 21138508024381440 from the Numbermatics database.


Names of 21138508024381440

  • Cardinal: 21138508024381440 can be written as Twenty-one quadrillion, one hundred thirty-eight trillion, five hundred eight billion, twenty-four million, three hundred eighty-one thousand, four hundred forty.

Scientific notation

  • Scientific notation: 2.113850802438144 × 1016

Factors of 21138508024381440

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 32
  • Sum of prime factors: 285

Divisors of 21138508024381440

Bases of 21138508024381440

  • Binary: 10010110001100101011100011011011110000000000000000000002
  • Hexadecimal: 0x4B195C6DE00000
  • Base-36: 5S4Z4IXM2O0

Squares and roots of 21138508024381440

  • 21138508024381440 squared (211385080243814402) is 446836521496838529577494616473600
  • 21138508024381440 cubed (211385080243814403) is 9445457395247611070865985368866035730674089984000
  • The square root of 21138508024381440 is 145390880.1279552061
  • The cube root of 21138508024381440 is 276497.6494905799

Scales and comparisons

How big is 21138508024381440?
  • 21,138,508,024,381,440 seconds is equal to 672,139,169 years, 24 weeks, 5 days, 14 hours, 24 minutes.
  • To count from 1 to 21,138,508,024,381,440 would take you about two billion, sixteen million, four hundred seventeen thousand, five hundred 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 21138508024381440 cubic inches would be around 23041.5 feet tall.

Recreational maths with 21138508024381440

  • 21138508024381440 backwards is 04418342080583112
  • 21138508024381440 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21138508024381440's digits is 54
  • More coming soon!

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"Number 21138508024381440 - Facts about the integer". Numbermatics.com. 2024. Web. 20 June 2024.

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Numbermatics. (2024). Number 21138508024381440 - Facts about the integer. Retrieved 20 June 2024, from https://numbermatics.com/n/21138508024381440/

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Numbermatics. 2024. "Number 21138508024381440 - Facts about the integer". https://numbermatics.com/n/21138508024381440/

The information we have on file for 21138508024381440 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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