42440

42,440 is an even composite number composed of three prime numbers multiplied together.

What does the number 42440 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

42440 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 42440:

23 × 5 × 1061

(2 × 2 × 2 × 5 × 1061)

See below for interesting mathematical facts about the number 42440 from the Numbermatics database.


Names of 42440

  • Cardinal: 42440 can be written as Forty-two thousand, four hundred forty.

Scientific notation

  • Scientific notation: 4.244 × 104

Factors of 42440

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 1068

Divisors of 42440

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 95580
  • Sum of proper divisors (its aliquot sum) s(n): 53140
  • 42440 is an abundant number, because the sum of its proper divisors (53140) is greater than itself. Its abundance is 10700

Bases of 42440

  • Binary: 10100101110010002
  • Hexadecimal: 0xA5C8
  • Base-36: WQW

Squares and roots of 42440

  • 42440 squared (424402) is 1801153600
  • 42440 cubed (424403) is 76440958784000
  • The square root of 42440 is 206.0097085093
  • The cube root of 42440 is 34.8812300719

Scales and comparisons

How big is 42440?
  • 42,440 seconds is equal to 11 hours, 47 minutes, 20 seconds.
  • To count from 1 to 42,440 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 42440 cubic inches would be around 2.9 feet tall.

Recreational maths with 42440

  • 42440 backwards is 04424
  • The number of decimal digits it has is: 5
  • The sum of 42440's digits is 14
  • More coming soon!

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The information we have on file for 42440 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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