72,128 is an even composite number composed of three prime numbers multiplied together.

What does the number 72128 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 42 divisors.

72128 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-two divisors.

Prime factorization of 72128:

26 × 72 × 23

(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 23)

See below for interesting mathematical facts about the number 72128 from the Numbermatics database.

Names of 72128

  • Cardinal: 72128 can be written as Seventy-two thousand, one hundred twenty-eight.

Scientific notation

  • Scientific notation: 7.2128 × 104

Factors of 72128

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 9
  • Sum of prime factors: 32

Divisors of 72128

Bases of 72128

  • Binary: 100011001110000002
  • Hexadecimal: 0x119C0
  • Base-36: 1JNK

Squares and roots of 72128

  • 72128 squared (721282) is 5202448384
  • 72128 cubed (721283) is 375242197041152
  • The square root of 72128 is 268.5665653055
  • The cube root of 72128 is 41.6263147117

Scales and comparisons

How big is 72128?
  • 72,128 seconds is equal to 20 hours, 2 minutes, 8 seconds.
  • To count from 1 to 72,128 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 72128 cubic inches would be around 3.5 feet tall.

Recreational maths with 72128

  • 72128 backwards is 82127
  • The number of decimal digits it has is: 5
  • The sum of 72128's digits is 20
  • More coming soon!

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"Number 72128 - Facts about the integer". Numbermatics.com. 2020. Web. 31 May 2020.

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The information we have on file for 72128 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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