72438

72,438 is an even composite number composed of three prime numbers multiplied together.

What does the number 72438 look like?

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

72438 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 72438:

2 × 3 × 12073

See below for interesting mathematical facts about the number 72438 from the Numbermatics database.


Names of 72438

  • Cardinal: 72438 can be written as Seventy-two thousand, four hundred thirty-eight.

Scientific notation

  • Scientific notation: 7.2438 × 104

Factors of 72438

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 12078

Divisors of 72438

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 144888
  • Sum of proper divisors (its aliquot sum) s(n): 72450
  • 72438 is an abundant number, because the sum of its proper divisors (72450) is greater than itself. Its abundance is 12

Bases of 72438

  • Binary: 100011010111101102
  • Hexadecimal: 0x11AF6
  • Base-36: 1JW6

Squares and roots of 72438

  • 72438 squared (724382) is 5247263844
  • 72438 cubed (724383) is 380101298331672
  • The square root of 72438 is 269.1430846223
  • The cube root of 72438 is 41.6858649307

Scales and comparisons

How big is 72438?
  • 72,438 seconds is equal to 20 hours, 7 minutes, 18 seconds.
  • To count from 1 to 72,438 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 72438 cubic inches would be around 3.5 feet tall.

Recreational maths with 72438

  • 72438 backwards is 83427
  • The number of decimal digits it has is: 5
  • The sum of 72438's digits is 24
  • More coming soon!

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The information we have on file for 72438 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 72438, math, Factors of 72438, curriculum, school, college, exams, university, Prime factorization of 72438, STEM, science, technology, engineering, physics, economics, calculator, seventy-two thousand, four hundred thirty-eight.