21364540989409800

21,364,540,989,409,800 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21364540989409800 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4860 divisors.

21364540989409800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, eight hundred sixty divisors.

Prime factorization of 21364540989409800:

23 × 32 × 52 × 72 × 132 × 174 × 1312

(2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 13 × 13 × 17 × 17 × 17 × 17 × 131 × 131)

See below for interesting mathematical facts about the number 21364540989409800 from the Numbermatics database.


Names of 21364540989409800

  • Cardinal: 21364540989409800 can be written as Twenty-one quadrillion, three hundred sixty-four trillion, five hundred forty billion, nine hundred eighty-nine million, four hundred nine thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.13645409894098 × 1016

Factors of 21364540989409800

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 178

Divisors of 21364540989409800

Bases of 21364540989409800

  • Binary: 10010111110011011101111110101000111011010001010000010002
  • Hexadecimal: 0x4BE6EFD4768A08
  • Base-36: 5UD3IMWZQQ0

Squares and roots of 21364540989409800

  • 21364540989409800 squared (213645409894098002) is 456443611688171475915752336040000
  • 21364540989409800 cubed (213645409894098003) is 9751708251266189575732529764929357250869192000000
  • The square root of 21364540989409800 is 146166141.7340206049
  • The cube root of 21364540989409800 is 277479.6824749535

Scales and comparisons

How big is 21364540989409800?
  • 21,364,540,989,409,800 seconds is equal to 679,326,318 years, 31 weeks, 1 day, 30 minutes.
  • To count from 1 to 21,364,540,989,409,800 would take you about two billion, thirty-seven million, nine hundred seventy-eight thousand, nine hundred fifty-five 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 21364540989409800 cubic inches would be around 23123.3 feet tall.

Recreational maths with 21364540989409800

  • 21364540989409800 backwards is 00890498904546312
  • 21364540989409800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21364540989409800's digits is 72
  • More coming soon!

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"Number 21364540989409800 - Facts about the integer". Numbermatics.com. 2024. Web. 25 June 2024.

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Numbermatics. (2024). Number 21364540989409800 - Facts about the integer. Retrieved 25 June 2024, from https://numbermatics.com/n/21364540989409800/

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The information we have on file for 21364540989409800 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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