21008723681437128

21,008,723,681,437,128 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21008723681437128 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 3840 divisors.

21008723681437128 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three thousand, eight hundred forty divisors.

Prime factorization of 21008723681437128:

23 × 34 × 73 × 13 × 23 × 373 × 792

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 13 × 23 × 37 × 37 × 37 × 79 × 79)

See below for interesting mathematical facts about the number 21008723681437128 from the Numbermatics database.


Names of 21008723681437128

  • Cardinal: 21008723681437128 can be written as Twenty-one quadrillion, eight trillion, seven hundred twenty-three billion, six hundred eighty-one million, four hundred thirty-seven thousand, one hundred twenty-eight.

Scientific notation

  • Scientific notation: 2.1008723681437128 × 1016

Factors of 21008723681437128

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 164

Divisors of 21008723681437128

Bases of 21008723681437128

  • Binary: 10010101010001101010010101010000011011101100101110010002
  • Hexadecimal: 0x4AA352A83765C8
  • Base-36: 5QUYYF6R8I0

Squares and roots of 21008723681437128

  • 21008723681437128 squared (210087236814371282) is 441366470722977192491647416888384
  • 21008723681437128 cubed (210087236814371283) is 9272546225670137777336362056084961126671089521152
  • The square root of 21008723681437128 is 144943863.8971554669
  • The cube root of 21008723681437128 is 275930.6154852119

Scales and comparisons

How big is 21008723681437128?
  • 21,008,723,681,437,128 seconds is equal to 668,012,428 years, 42 weeks, 4 days, 16 hours, 58 minutes, 48 seconds.
  • To count from 1 to 21,008,723,681,437,128 would take you about two billion, four million, thirty-seven thousand, two hundred eighty-six 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 21008723681437128 cubic inches would be around 22994.2 feet tall.

Recreational maths with 21008723681437128

  • 21008723681437128 backwards is 82173418632780012
  • 21008723681437128 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21008723681437128's digits is 63
  • More coming soon!

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"Number 21008723681437128 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.

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Numbermatics. (2024). Number 21008723681437128 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/21008723681437128/

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Numbermatics. 2024. "Number 21008723681437128 - Facts about the integer". https://numbermatics.com/n/21008723681437128/

The information we have on file for 21008723681437128 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 21008723681437128, math, Factors of 21008723681437128, curriculum, school, college, exams, university, Prime factorization of 21008723681437128, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, eight trillion, seven hundred twenty-three billion, six hundred eighty-one million, four hundred thirty-seven thousand, one hundred twenty-eight.

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