21240137078973388800

21,240,137,078,973,388,800 is an even composite number composed of six prime numbers multiplied together.

What does the number 21240137078973388800 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 9072 divisors.

21240137078973388800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of nine thousand and seventy-two divisors.

Prime factorization of 21240137078973388800:

211 × 32 × 52 × 76 × 193 × 2392

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 7 × 7 × 7 × 7 × 19 × 19 × 19 × 239 × 239)

See below for interesting mathematical facts about the number 21240137078973388800 from the Numbermatics database.


Names of 21240137078973388800

  • Cardinal: 21240137078973388800 can be written as Twenty-one quintillion, two hundred forty quadrillion, one hundred thirty-seven trillion, seventy-eight billion, nine hundred seventy-three million, three hundred eighty-eight thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.12401370789733888 × 1019

Factors of 21240137078973388800

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 26
  • Sum of prime factors: 275

Divisors of 21240137078973388800

Bases of 21240137078973388800

  • Binary: 100100110110001000010000000100011011001001100111111011000000000002
  • Hexadecimal: 0x126C4202364CFD800
  • Base-36: 4HDEW7H30S8W0

Squares and roots of 21240137078973388800

  • 21240137078973388800 squared (212401370789733888002) is 451143423133580201169327338555965440000
  • 21240137078973388800 cubed (212401370789733888003) is 9582348149634537733015216431701590655114769252483072000000
  • The square root of 21240137078973388800 is 4608702320.4990565761
  • The cube root of 21240137078973388800 is 2769400.5349094671

Scales and comparisons

How big is 21240137078973388800?
  • 21,240,137,078,973,388,800 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 21,240,137,078,973,388,800 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 21240137078973388800 cubic inches would be around 230783.4 feet tall.

Recreational maths with 21240137078973388800

  • 21240137078973388800 backwards is 00888337987073104212
  • The number of decimal digits it has is: 20
  • The sum of 21240137078973388800's digits is 81
  • More coming soon!

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"Number 21240137078973388800 - Facts about the integer". Numbermatics.com. 2024. Web. 31 May 2024.

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Numbermatics. (2024). Number 21240137078973388800 - Facts about the integer. Retrieved 31 May 2024, from https://numbermatics.com/n/21240137078973388800/

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Numbermatics. 2024. "Number 21240137078973388800 - Facts about the integer". https://numbermatics.com/n/21240137078973388800/

The information we have on file for 21240137078973388800 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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