138997578720

138,997,578,720 is an even composite number composed of seven prime numbers multiplied together.

What does the number 138997578720 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1944 divisors.

138997578720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, nine hundred forty-four divisors.

Prime factorization of 138997578720:

25 × 3 × 5 × 72 × 112 × 132 × 172

(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 11 × 13 × 13 × 17 × 17)

See below for interesting mathematical facts about the number 138997578720 from the Numbermatics database.


Names of 138997578720

  • Cardinal: 138997578720 can be written as One hundred thirty-eight billion, nine hundred ninety-seven million, five hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 1.3899757872 × 1011

Factors of 138997578720

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 15
  • Sum of prime factors: 58

Divisors of 138997578720

Bases of 138997578720

  • Binary: 100000010111001110011010111011111000002
  • Hexadecimal: 0x205CE6BBE0
  • Base-36: 1RURKI5C

Squares and roots of 138997578720

  • 138997578720 squared (1389975787202) is 19320326890022596838400
  • 138997578720 cubed (1389975787203) is 2685478657792048686624327118848000
  • The square root of 138997578720 is 372823.7904426165
  • The cube root of 138997578720 is 5180.0713893253

Scales and comparisons

How big is 138997578720?
  • 138,997,578,720 seconds is equal to 4,419 years, 36 weeks, 6 hours, 32 minutes.
  • To count from 1 to 138,997,578,720 would take you about eight thousand, eight hundred thirty-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 138997578720 cubic inches would be around 431.7 feet tall.

Recreational maths with 138997578720

  • 138997578720 backwards is 027875799831
  • 138997578720 is a Harshad number.
  • The number of decimal digits it has is: 12
  • The sum of 138997578720's digits is 66
  • More coming soon!

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"Number 138997578720 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.

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Numbermatics. (2024). Number 138997578720 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/138997578720/

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The information we have on file for 138997578720 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 138997578720, math, Factors of 138997578720, curriculum, school, college, exams, university, Prime factorization of 138997578720, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, nine hundred ninety-seven million, five hundred seventy-eight thousand, seven hundred twenty.

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