128,800 is an even composite number composed of four prime numbers multiplied together.

What does the number 128800 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 72 divisors.

128800 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.

Prime factorization of 128800:

25 × 52 × 7 × 23

(2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 23)

See below for interesting mathematical facts about the number 128800 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 128800

  • Cardinal: 128800 can be written as One hundred twenty-eight thousand, eight hundred.

Scientific notation

  • Scientific notation: 1.288 × 105

Factors of 128800

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 9
  • Sum of prime factors: 37

Divisors of 128800

Bases of 128800

  • Binary: 111110111001000002
  • Hexadecimal: 0x1F720
  • Base-36: 2RDS

Squares and roots of 128800

  • 128800 squared (1288002) is 16589440000
  • 128800 cubed (1288003) is 2136719872000000
  • The square root of 128800 is 358.8871688985
  • The cube root of 128800 is 50.5016174367

Scales and comparisons

How big is 128800?
  • 128,800 seconds is equal to 11 hours, 46 minutes, 40 seconds.
  • To count from 1 to 128,800 would take you about eleven 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 128800 cubic inches would be around 4.2 feet tall.

Recreational maths with 128800

  • 128800 backwards is 008821
  • The number of decimal digits it has is: 6
  • The sum of 128800's digits is 19
  • More coming soon!

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The information we have on file for 128800 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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