138978512862840

138,978,512,862,840 is an even composite number composed of nine prime numbers multiplied together.

What does the number 138978512862840 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 1536 divisors.

138978512862840 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of one thousand, five hundred thirty-six divisors.

Prime factorization of 138978512862840:

23 × 32 × 5 × 7 × 37 × 61 × 127 × 181 × 1063

(2 × 2 × 2 × 3 × 3 × 5 × 7 × 37 × 61 × 127 × 181 × 1063)

See below for interesting mathematical facts about the number 138978512862840 from the Numbermatics database.


Names of 138978512862840

  • Cardinal: 138978512862840 can be written as One hundred thirty-eight trillion, nine hundred seventy-eight billion, five hundred twelve million, eight hundred sixty-two thousand, eight hundred forty.

Scientific notation

  • Scientific notation: 1.3897851286284 × 1014

Factors of 138978512862840

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 12
  • Sum of prime factors: 1486

Divisors of 138978512862840

Bases of 138978512862840

  • Binary: 111111001100110011101001110001111111110011110002
  • Hexadecimal: 0x7E6674E3FE78
  • Base-36: 1D9HUI8MM0

Squares and roots of 138978512862840

  • 138978512862840 squared (1389785128628402) is 19315027037566583332652865600
  • 138978512862840 cubed (1389785128628403) is 2684373733586549781590047036370185754304000
  • The square root of 138978512862840 is 11788914.8297389951
  • The cube root of 138978512862840 is 51798.3453383937

Scales and comparisons

How big is 138978512862840?
  • 138,978,512,862,840 seconds is equal to 4,419,086 years, 42 weeks, 4 days, 13 hours, 54 minutes.
  • To count from 1 to 138,978,512,862,840 would take you about eleven million, forty-seven thousand, seven hundred seventeen 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 138978512862840 cubic inches would be around 4316.5 feet tall.

Recreational maths with 138978512862840

  • 138978512862840 backwards is 048268215879831
  • 138978512862840 is a Harshad number.
  • The number of decimal digits it has is: 15
  • The sum of 138978512862840's digits is 72
  • More coming soon!

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"Number 138978512862840 - Facts about the integer". Numbermatics.com. 2024. Web. 26 June 2024.

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Numbermatics. (2024). Number 138978512862840 - Facts about the integer. Retrieved 26 June 2024, from https://numbermatics.com/n/138978512862840/

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The information we have on file for 138978512862840 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 138978512862840, math, Factors of 138978512862840, curriculum, school, college, exams, university, Prime factorization of 138978512862840, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight trillion, nine hundred seventy-eight billion, five hundred twelve million, eight hundred sixty-two thousand, eight hundred forty.

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