21438876697665840

21,438,876,697,665,840 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21438876697665840 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 2700 divisors.

21438876697665840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, seven hundred divisors.

Prime factorization of 21438876697665840:

24 × 34 × 5 × 7 × 312 × 672 × 3312

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 31 × 31 × 67 × 67 × 331 × 331)

See below for interesting mathematical facts about the number 21438876697665840 from the Numbermatics database.


Names of 21438876697665840

  • Cardinal: 21438876697665840 can be written as Twenty-one quadrillion, four hundred thirty-eight trillion, eight hundred seventy-six billion, six hundred ninety-seven million, six hundred sixty-five thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 2.143887669766584 × 1016

Factors of 21438876697665840

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 446

Divisors of 21438876697665840

Bases of 21438876697665840

  • Binary: 10011000010101010001011011101011111001010100001001100002
  • Hexadecimal: 0x4C2A8B75F2A130
  • Base-36: 5V3G3ZMEB00

Squares and roots of 21438876697665840

  • 21438876697665840 squared (214388766976658402) is 459625434057719353129304302905600
  • 21438876697665840 cubed (214388766976658403) is 9853853007874586591782747901472313207849864704000
  • The square root of 21438876697665840 is 146420205.9063770065
  • The cube root of 21438876697665840 is 277801.1305557785

Scales and comparisons

How big is 21438876697665840?
  • 21,438,876,697,665,840 seconds is equal to 681,689,964 years, 9 weeks, 4 days, 17 hours, 24 minutes.
  • To count from 1 to 21,438,876,697,665,840 would take you about two billion, forty-five million, sixty-nine thousand, eight hundred ninety-two 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 21438876697665840 cubic inches would be around 23150.1 feet tall.

Recreational maths with 21438876697665840

  • 21438876697665840 backwards is 04856679667883412
  • 21438876697665840 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21438876697665840's digits is 90
  • More coming soon!

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"Number 21438876697665840 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.

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Numbermatics. (2024). Number 21438876697665840 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/21438876697665840/

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Numbermatics. 2024. "Number 21438876697665840 - Facts about the integer". https://numbermatics.com/n/21438876697665840/

The information we have on file for 21438876697665840 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!

Keywords: Divisors of 21438876697665840, math, Factors of 21438876697665840, curriculum, school, college, exams, university, Prime factorization of 21438876697665840, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, four hundred thirty-eight trillion, eight hundred seventy-six billion, six hundred ninety-seven million, six hundred sixty-five thousand, eight hundred forty.

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