138439617220544640

138,439,617,220,544,640 is an even composite number composed of eight prime numbers multiplied together.

What does the number 138439617220544640 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 5760 divisors.

138439617220544640 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five thousand, seven hundred sixty divisors.

Prime factorization of 138439617220544640:

27 × 3 × 5 × 72 × 11 × 13 × 194 × 2812

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 13 × 19 × 19 × 19 × 19 × 281 × 281)

See below for interesting mathematical facts about the number 138439617220544640 from the Numbermatics database.


Names of 138439617220544640

  • Cardinal: 138439617220544640 can be written as One hundred thirty-eight quadrillion, four hundred thirty-nine trillion, six hundred seventeen billion, two hundred twenty million, five hundred forty-four thousand, six hundred forty.

Scientific notation

  • Scientific notation: 1.3843961722054464 × 1017

Factors of 138439617220544640

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 19
  • Sum of prime factors: 341

Divisors of 138439617220544640

Bases of 138439617220544640

  • Binary: 1111010111101011000011001001011110100010110001000100000002
  • Hexadecimal: 0x1EBD6192F458880
  • Base-36: 11V4QY604AYO

Squares and roots of 138439617220544640

  • 138439617220544640 squared (1384396172205446402) is 19165527616170920034645698232729600
  • 138439617220544640 cubed (1384396172205446403) is 2653268307012479564652450931546385732849185849344000
  • The square root of 138439617220544640 is 372074746.8191635281
  • The cube root of 138439617220544640 is 517313.0845362721

Scales and comparisons

How big is 138439617220544640?
  • 138,439,617,220,544,640 seconds is equal to 4,401,951,605 years, 39 weeks, 4 days, 1 hour, 4 minutes.
  • To count from 1 to 138,439,617,220,544,640 would take you about thirteen billion, two hundred five million, eight hundred fifty-four thousand, eight 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 138439617220544640 cubic inches would be around 43109.4 feet tall.

Recreational maths with 138439617220544640

  • 138439617220544640 backwards is 046445022716934831
  • The number of decimal digits it has is: 18
  • The sum of 138439617220544640's digits is 69
  • More coming soon!

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"Number 138439617220544640 - Facts about the integer". Numbermatics.com. 2024. Web. 29 May 2024.

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Numbermatics. (2024). Number 138439617220544640 - Facts about the integer. Retrieved 29 May 2024, from https://numbermatics.com/n/138439617220544640/

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Numbermatics. 2024. "Number 138439617220544640 - Facts about the integer". https://numbermatics.com/n/138439617220544640/

The information we have on file for 138439617220544640 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 138439617220544640, math, Factors of 138439617220544640, curriculum, school, college, exams, university, Prime factorization of 138439617220544640, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight quadrillion, four hundred thirty-nine trillion, six hundred seventeen billion, two hundred twenty million, five hundred forty-four thousand, six hundred forty.

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