72839

72,839 is an odd composite number composed of two prime numbers multiplied together.

What does the number 72839 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

72839 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 72839:

132 × 431

(13 × 13 × 431)

See below for interesting mathematical facts about the number 72839 from the Numbermatics database.


Names of 72839

  • Cardinal: 72839 can be written as Seventy-two thousand, eight hundred thirty-nine.

Scientific notation

  • Scientific notation: 7.2839 × 104

Factors of 72839

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 444

Divisors of 72839

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 79056
  • Sum of proper divisors (its aliquot sum) s(n): 6217
  • 72839 is a deficient number, because the sum of its proper divisors (6217) is less than itself. Its deficiency is 66622

Bases of 72839

  • Binary: 100011100100001112
  • Hexadecimal: 0x11C87
  • Base-36: 1K7B

Squares and roots of 72839

  • 72839 squared (728392) is 5305519921
  • 72839 cubed (728393) is 386448765525719
  • The square root of 72839 is 269.8870133965
  • The cube root of 72839 is 41.7626445261

Scales and comparisons

How big is 72839?
  • 72,839 seconds is equal to 20 hours, 13 minutes, 59 seconds.
  • To count from 1 to 72,839 would take you about twenty 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 72839 cubic inches would be around 3.5 feet tall.

Recreational maths with 72839

  • 72839 backwards is 93827
  • The number of decimal digits it has is: 5
  • The sum of 72839's digits is 29
  • More coming soon!

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"Number 72839 - Facts about the integer". Numbermatics.com. 2020. Web. 20 February 2020.

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Numbermatics. (2020). Number 72839 - Facts about the integer. Retrieved 20 February 2020, from https://numbermatics.com/n/72839/

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The information we have on file for 72839 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!

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