72381

72,381 is an odd composite number composed of three prime numbers multiplied together.

What does the number 72381 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

72381 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 72381:

3 × 23 × 1049

See below for interesting mathematical facts about the number 72381 from the Numbermatics database.


Names of 72381

  • Cardinal: 72381 can be written as Seventy-two thousand, three hundred eighty-one.

Scientific notation

  • Scientific notation: 7.2381 × 104

Factors of 72381

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 1075

Divisors of 72381

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 100800
  • Sum of proper divisors (its aliquot sum) s(n): 28419
  • 72381 is a deficient number, because the sum of its proper divisors (28419) is less than itself. Its deficiency is 43962

Bases of 72381

  • Binary: 100011010101111012
  • Hexadecimal: 0x11ABD
  • Base-36: 1JUL

Squares and roots of 72381

  • 72381 squared (723812) is 5239009161
  • 72381 cubed (723813) is 379204722082341
  • The square root of 72381 is 269.0371721529
  • The cube root of 72381 is 41.6749281397

Scales and comparisons

How big is 72381?
  • 72,381 seconds is equal to 20 hours, 6 minutes, 21 seconds.
  • To count from 1 to 72,381 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 72381 cubic inches would be around 3.5 feet tall.

Recreational maths with 72381

  • 72381 backwards is 18327
  • The number of decimal digits it has is: 5
  • The sum of 72381's digits is 21
  • More coming soon!

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The information we have on file for 72381 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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