42240

42,240 is an even composite number composed of four prime numbers multiplied together.

What does the number 42240 look like?

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

42240 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 42240:

28 × 3 × 5 × 11

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11)

See below for interesting mathematical facts about the number 42240 from the Numbermatics database.


Names of 42240

  • Cardinal: 42240 can be written as Forty-two thousand, two hundred forty.

Scientific notation

  • Scientific notation: 4.224 × 104

Factors of 42240

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 11
  • Sum of prime factors: 21

Divisors of 42240

Bases of 42240

  • Binary: 10100101000000002
  • Hexadecimal: 0xA500
  • Base-36: WLC

Squares and roots of 42240

  • 42240 squared (422402) is 1784217600
  • 42240 cubed (422403) is 75365351424000
  • The square root of 42240 is 205.5237212587
  • The cube root of 42240 is 34.8263507647

Scales and comparisons

How big is 42240?
  • 42,240 seconds is equal to 11 hours, 44 minutes.
  • To count from 1 to 42,240 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 42240 cubic inches would be around 2.9 feet tall.

Recreational maths with 42240

  • 42240 backwards is 04224
  • 42240 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 42240's digits is 12
  • More coming soon!

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The information we have on file for 42240 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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