121920

121,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 121920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

121920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 121920:

26 × 3 × 5 × 127

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 127)

See below for interesting mathematical facts about the number 121920 from the Numbermatics database.


Names of 121920

  • Cardinal: 121920 can be written as One hundred twenty-one thousand, nine hundred twenty.

Scientific notation

  • Scientific notation: 1.2192 × 105

Factors of 121920

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 9
  • Sum of prime factors: 137

Divisors of 121920

Bases of 121920

  • Binary: 111011100010000002
  • Hexadecimal: 0x1DC40
  • Base-36: 2M2O

Squares and roots of 121920

  • 121920 squared (1219202) is 14864486400
  • 121920 cubed (1219203) is 1812278181888000
  • The square root of 121920 is 349.1704454847
  • The cube root of 121920 is 49.5859134469

Scales and comparisons

How big is 121920?
  • 121,920 seconds is equal to 1 day, 9 hours, 52 minutes.
  • To count from 1 to 121,920 would take you about nine 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 121920 cubic inches would be around 4.1 feet tall.

Recreational maths with 121920

  • 121920 backwards is 029121
  • 121920 is a Harshad number.
  • The number of decimal digits it has is: 6
  • The sum of 121920's digits is 15
  • More coming soon!

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"Number 121920 - Facts about the integer". Numbermatics.com. 2020. Web. 10 July 2020.

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Numbermatics. (2020). Number 121920 - Facts about the integer. Retrieved 10 July 2020, from https://numbermatics.com/n/121920/

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The information we have on file for 121920 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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