139807

139,807 is an odd composite number composed of two prime numbers multiplied together.

What does the number 139807 look like?

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

139807 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 139807:

251 × 557

See below for interesting mathematical facts about the number 139807 from the Numbermatics database.


Names of 139807

  • Cardinal: 139807 can be written as One hundred thirty-nine thousand, eight hundred seven.

Scientific notation

  • Scientific notation: 1.39807 × 105

Factors of 139807

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 808

Divisors of 139807

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 140616
  • Sum of proper divisors (its aliquot sum) s(n): 809
  • 139807 is a deficient number, because the sum of its proper divisors (809) is less than itself. Its deficiency is 138998

Bases of 139807

  • Binary: 1000100010000111112
  • Hexadecimal: 0x2221F
  • Base-36: 2ZVJ

Squares and roots of 139807

  • 139807 squared (1398072) is 19545997249
  • 139807 cubed (1398073) is 2732667237390943
  • The square root of 139807 is 373.9077426317
  • The cube root of 139807 is 51.9010692989

Scales and comparisons

How big is 139807?
  • 139,807 seconds is equal to 1 day, 14 hours, 50 minutes, 7 seconds.
  • To count from 1 to 139,807 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 139807 cubic inches would be around 4.3 feet tall.

Recreational maths with 139807

  • 139807 backwards is 708931
  • The number of decimal digits it has is: 6
  • The sum of 139807's digits is 28
  • More coming soon!

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"Number 139807 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.

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Numbermatics. (2024). Number 139807 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/139807/

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Numbermatics. 2024. "Number 139807 - Facts about the integer". https://numbermatics.com/n/139807/

The information we have on file for 139807 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 139807, math, Factors of 139807, curriculum, school, college, exams, university, Prime factorization of 139807, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-nine thousand, eight hundred seven.

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