21318131742963793920

21,318,131,742,963,793,920 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21318131742963793920 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 17280 divisors.

21318131742963793920 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of seventeen thousand, two hundred eighty divisors.

Prime factorization of 21318131742963793920:

217 × 34 × 5 × 72 × 13 × 19 × 31 × 691 × 1549

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 13 × 19 × 31 × 691 × 1549)

See below for interesting mathematical facts about the number 21318131742963793920 from the Numbermatics database.


Names of 21318131742963793920

  • Cardinal: 21318131742963793920 can be written as Twenty-one quintillion, three hundred eighteen quadrillion, one hundred thirty-one trillion, seven hundred forty-two billion, nine hundred sixty-three million, seven hundred ninety-three thousand, nine hundred twenty.

Scientific notation

  • Scientific notation: 2.131813174296379392 × 1019

Factors of 21318131742963793920

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 29
  • Sum of prime factors: 2320

Divisors of 21318131742963793920

Bases of 21318131742963793920

  • Binary: 100100111110110010011011111011111001101100101011000000000000000002
  • Hexadecimal: 0x127D937DF36560000
  • Base-36: 4HYQV0B2U4G00

Squares and roots of 21318131742963793920

  • 21318131742963793920 squared (213181317429637939202) is 454462741010360526082326116000228966400
  • 21318131742963793920 cubed (213181317429637939203) is 9688296585127300308591775410746202537937926865224204288000
  • The square root of 21318131742963793920 is 4617156239.8259595737
  • The cube root of 21318131742963793920 is 2772786.1787387665

Scales and comparisons

How big is 21318131742963793920?
  • 21,318,131,742,963,793,920 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 21,318,131,742,963,793,920 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21318131742963793920 cubic inches would be around 231065.5 feet tall.

Recreational maths with 21318131742963793920

  • 21318131742963793920 backwards is 02939736924713181312
  • 21318131742963793920 is a Harshad number.
  • The number of decimal digits it has is: 20
  • The sum of 21318131742963793920's digits is 81
  • More coming soon!

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"Number 21318131742963793920 - Facts about the integer". Numbermatics.com. 2024. Web. 27 June 2024.

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Numbermatics. (2024). Number 21318131742963793920 - Facts about the integer. Retrieved 27 June 2024, from https://numbermatics.com/n/21318131742963793920/

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Numbermatics. 2024. "Number 21318131742963793920 - Facts about the integer". https://numbermatics.com/n/21318131742963793920/

The information we have on file for 21318131742963793920 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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