138649381185989529856

138,649,381,185,989,529,856 is an even composite number composed of seven prime numbers multiplied together.

What does the number 138649381185989529856 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 6561 divisors.

138649381185989529856 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six thousand, five hundred sixty-one divisors.

Prime factorization of 138649381185989529856:

28 × 72 × 112 × 132 × 172 × 592 × 7332

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 11 × 11 × 13 × 13 × 17 × 17 × 59 × 59 × 733 × 733)

See below for interesting mathematical facts about the number 138649381185989529856 from the Numbermatics database.


Names of 138649381185989529856

  • Cardinal: 138649381185989529856 can be written as One hundred thirty-eight quintillion, six hundred forty-nine quadrillion, three hundred eighty-one trillion, one hundred eighty-five billion, nine hundred eighty-nine million, five hundred twenty-nine thousand, eight hundred fifty-six.

Scientific notation

  • Scientific notation: 1.38649381185989529856 × 1020

Factors of 138649381185989529856

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 842

Divisors of 138649381185989529856

Bases of 138649381185989529856

  • Binary: 11110000100001001011000110110010111101111101010001001010001000000002
  • Hexadecimal: 0x784258D97BEA25100
  • Base-36: T9E5BPE5SD69S

Squares and roots of 138649381185989529856

  • 138649381185989529856 squared (1386493811859895298562) is 19223650903257827408622943488055915380736
  • 138649381185989529856 cubed (1386493811859895298563) is 2665347301872186447223198235498705620645802177518807879254016
  • 138649381185989529856 is a perfect square number. Its square root is 11774947184
  • The cube root of 138649381185989529856 is 5175742.3060019815

Scales and comparisons

How big is 138649381185989529856?
  • 138,649,381,185,989,529,856 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 138,649,381,185,989,529,856 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 138649381185989529856 cubic inches would be around 431311.9 feet tall.

Recreational maths with 138649381185989529856

  • 138649381185989529856 backwards is 658925989581183946831
  • 138649381185989529856 is a Harshad number.
  • The number of decimal digits it has is: 21
  • The sum of 138649381185989529856's digits is 118
  • More coming soon!

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"Number 138649381185989529856 - Facts about the integer". Numbermatics.com. 2024. Web. 24 May 2024.

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Numbermatics. (2024). Number 138649381185989529856 - Facts about the integer. Retrieved 24 May 2024, from https://numbermatics.com/n/138649381185989529856/

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Numbermatics. 2024. "Number 138649381185989529856 - Facts about the integer". https://numbermatics.com/n/138649381185989529856/

The information we have on file for 138649381185989529856 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 138649381185989529856, math, Factors of 138649381185989529856, curriculum, school, college, exams, university, Prime factorization of 138649381185989529856, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight quintillion, six hundred forty-nine quadrillion, three hundred eighty-one trillion, one hundred eighty-five billion, nine hundred eighty-nine million, five hundred twenty-nine thousand, eight hundred fifty-six.

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