139691

139,691 is an odd composite number composed of two prime numbers multiplied together.

What does the number 139691 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

139691 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 139691:

163 × 857

See below for interesting mathematical facts about the number 139691 from the Numbermatics database.


Names of 139691

  • Cardinal: 139691 can be written as One hundred thirty-nine thousand, six hundred ninety-one.

Scientific notation

  • Scientific notation: 1.39691 × 105

Factors of 139691

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1020

Divisors of 139691

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 140712
  • Sum of proper divisors (its aliquot sum) s(n): 1021
  • 139691 is a deficient number, because the sum of its proper divisors (1021) is less than itself. Its deficiency is 138670

Bases of 139691

  • Binary: 1000100001101010112
  • Hexadecimal: 0x221AB
  • Base-36: 2ZSB

Squares and roots of 139691

  • 139691 squared (1396912) is 19513575481
  • 139691 cubed (1396913) is 2725870872516371
  • The square root of 139691 is 373.7525919643
  • The cube root of 139691 is 51.8867109575

Scales and comparisons

How big is 139691?
  • 139,691 seconds is equal to 1 day, 14 hours, 48 minutes, 11 seconds.
  • To count from 1 to 139,691 would take you about fourteen hours.

    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 139691 cubic inches would be around 4.3 feet tall.

Recreational maths with 139691

  • 139691 backwards is 196931
  • The number of decimal digits it has is: 6
  • The sum of 139691's digits is 29
  • More coming soon!

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"Number 139691 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 139691 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/139691/

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Numbermatics. 2024. "Number 139691 - Facts about the integer". https://numbermatics.com/n/139691/

The information we have on file for 139691 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 139691, math, Factors of 139691, curriculum, school, college, exams, university, Prime factorization of 139691, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-nine thousand, six hundred ninety-one.

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