138721012805655778798872

138,721,012,805,655,778,798,872 is an even composite number composed of six prime numbers multiplied together.

What does the number 138721012805655778798872 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 7680 divisors.

138721012805655778798872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven thousand, six hundred eighty divisors.

Prime factorization of 138721012805655778798872:

23 × 39 × 112 × 133 × 173 × 8773

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 13 × 13 × 13 × 17 × 17 × 17 × 877 × 877 × 877)

See below for interesting mathematical facts about the number 138721012805655778798872 from the Numbermatics database.


Names of 138721012805655778798872

  • Cardinal: 138721012805655778798872 can be written as One hundred thirty-eight sextillion, seven hundred twenty-one quintillion, twelve quadrillion, eight hundred five trillion, six hundred fifty-five billion, seven hundred seventy-eight million, seven hundred ninety-eight thousand, eight hundred seventy-two.

Scientific notation

  • Scientific notation: 1.38721012805655778798872 × 1023

Factors of 138721012805655778798872

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 23
  • Sum of prime factors: 923

Divisors of 138721012805655778798872

Bases of 138721012805655778798872

  • Binary: 111010110000000010100110001111011101101010001100001101011001110101101000110002
  • Hexadecimal: 0x1D6014C7BB5186B3AD18
  • Base-36: ML817YRBVK63DI0

Squares and roots of 138721012805655778798872

  • 138721012805655778798872 squared (1387210128056557787988722) is 19243519393826914566336570508944970003028472384
  • 138721012805655778798872 cubed (1387210128056557787988723) is 2669480500256948745544570271076918507804097276520984958942396542350848
  • The square root of 138721012805655778798872 is 372452698749.3254542587
  • The cube root of 138721012805655778798872 is 51766334.8193592067

Scales and comparisons

How big is 138721012805655778798872?
  • 138,721,012,805,655,778,798,872 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 138,721,012,805,655,778,798,872 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 138721012805655778798872 cubic inches would be around 4313861.2 feet tall.

Recreational maths with 138721012805655778798872

  • 138721012805655778798872 backwards is 278897877556508210127831
  • 138721012805655778798872 is a Harshad number.
  • The number of decimal digits it has is: 24
  • The sum of 138721012805655778798872's digits is 117
  • More coming soon!

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"Number 138721012805655778798872 - Facts about the integer". Numbermatics.com. 2024. Web. 13 May 2024.

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The information we have on file for 138721012805655778798872 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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