138028809209840640

138,028,809,209,840,640 is an even composite number composed of ten prime numbers multiplied together.

What does the number 138028809209840640 look like?

This visualization shows the relationship between its 10 prime factors (large circles) and 12672 divisors.

138028809209840640 is an even composite number. It is composed of ten distinct prime numbers multiplied together. It has a total of twelve thousand, six hundred seventy-two divisors.

Prime factorization of 138028809209840640:

210 × 32 × 5 × 7 × 132 × 17 × 29 × 37 × 127 × 1093

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 13 × 17 × 29 × 37 × 127 × 1093)

See below for interesting mathematical facts about the number 138028809209840640 from the Numbermatics database.


Names of 138028809209840640

  • Cardinal: 138028809209840640 can be written as One hundred thirty-eight quadrillion, twenty-eight trillion, eight hundred nine billion, two hundred nine million, eight hundred forty thousand, six hundred forty.

Scientific notation

  • Scientific notation: 1.3802880920984064 × 1017

Factors of 138028809209840640

  • Number of distinct prime factors ω(n): 10
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 1333

Divisors of 138028809209840640

Bases of 138028809209840640

  • Binary: 1111010100110000001111000011111011011100100000100000000002
  • Hexadecimal: 0x1EA60787DB90400
  • Base-36: 11R34NKLAM80

Squares and roots of 138028809209840640

  • 138028809209840640 squared (1380288092098406402) is 19051952171886588282028614195609600
  • 138028809209840640 cubed (1380288092098406403) is 2629718271408342900639837413857871018086203654144000
  • The square root of 138028809209840640 is 371522286.2895853789
  • The cube root of 138028809209840640 is 516800.8830945749

Scales and comparisons

How big is 138028809209840640?
  • 138,028,809,209,840,640 seconds is equal to 4,388,889,181 years, 38 weeks, 22 hours, 24 minutes.
  • To count from 1 to 138,028,809,209,840,640 would take you about thirteen billion, one hundred sixty-six million, six hundred sixty-seven thousand, five hundred forty-five 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 138028809209840640 cubic inches would be around 43066.7 feet tall.

Recreational maths with 138028809209840640

  • 138028809209840640 backwards is 046048902908820831
  • 138028809209840640 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 138028809209840640's digits is 72
  • More coming soon!

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"Number 138028809209840640 - Facts about the integer". Numbermatics.com. 2024. Web. 22 June 2024.

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Numbermatics. (2024). Number 138028809209840640 - Facts about the integer. Retrieved 22 June 2024, from https://numbermatics.com/n/138028809209840640/

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Numbermatics. 2024. "Number 138028809209840640 - Facts about the integer". https://numbermatics.com/n/138028809209840640/

The information we have on file for 138028809209840640 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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