21181138818840

21,181,138,818,840 is an even composite number composed of eight prime numbers multiplied together.

What does the number 21181138818840 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 5184 divisors.

21181138818840 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five thousand, one hundred eighty-four divisors.

Prime factorization of 21181138818840:

23 × 33 × 5 × 72 × 112 × 132 × 232 × 37

(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 11 × 11 × 13 × 13 × 23 × 23 × 37)

See below for interesting mathematical facts about the number 21181138818840 from the Numbermatics database.


Names of 21181138818840

  • Cardinal: 21181138818840 can be written as Twenty-one trillion, one hundred eighty-one billion, one hundred thirty-eight million, eight hundred eighteen thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 2.118113881884 × 1013

Factors of 21181138818840

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 101

Divisors of 21181138818840

Bases of 21181138818840

  • Binary: 1001101000011100111100100000101010111000110002
  • Hexadecimal: 0x13439E415718
  • Base-36: 7IAHB66U0

Squares and roots of 21181138818840

  • 21181138818840 squared (211811388188402) is 448640641662970750338945600
  • 21181138818840 cubed (211811388188403) is 9502719710836835972199722735635015104000
  • The square root of 21181138818840 is 4602297.1241370327
  • The cube root of 21181138818840 is 27668.3398950733

Scales and comparisons

How big is 21181138818840?
  • 21,181,138,818,840 seconds is equal to 673,494 years, 36 weeks, 1 day, 15 hours, 54 minutes.
  • To count from 1 to 21,181,138,818,840 would take you about one million, six hundred eighty-three thousand, seven hundred thirty-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 21181138818840 cubic inches would be around 2305.7 feet tall.

Recreational maths with 21181138818840

  • 21181138818840 backwards is 04881883118112
  • 21181138818840 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 21181138818840's digits is 54
  • More coming soon!

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"Number 21181138818840 - Facts about the integer". Numbermatics.com. 2024. Web. 14 June 2024.

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Numbermatics. (2024). Number 21181138818840 - Facts about the integer. Retrieved 14 June 2024, from https://numbermatics.com/n/21181138818840/

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Numbermatics. 2024. "Number 21181138818840 - Facts about the integer". https://numbermatics.com/n/21181138818840/

The information we have on file for 21181138818840 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 21181138818840, math, Factors of 21181138818840, curriculum, school, college, exams, university, Prime factorization of 21181138818840, STEM, science, technology, engineering, physics, economics, calculator, twenty-one trillion, one hundred eighty-one billion, one hundred thirty-eight million, eight hundred eighteen thousand, eight hundred forty.

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