8642

8,642 is an even composite number composed of three prime numbers multiplied together.

What does the number 8642 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

8642 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 8642:

2 × 29 × 149

See below for interesting mathematical facts about the number 8642 from the Numbermatics database.


Names of 8642

  • Cardinal: 8642 can be written as Eight thousand, six hundred forty-two.

Scientific notation

  • Scientific notation: 8.642 × 103

Factors of 8642

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 180

Divisors of 8642

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 13500
  • Sum of proper divisors (its aliquot sum) s(n): 4858
  • 8642 is a deficient number, because the sum of its proper divisors (4858) is less than itself. Its deficiency is 3784

Bases of 8642

  • Binary: 100001110000102
  • Hexadecimal: 0x21C2
  • Base-36: 6O2

Squares and roots of 8642

  • 8642 squared (86422) is 74684164
  • 8642 cubed (86423) is 645420545288
  • The square root of 8642 is 92.9623579735
  • The cube root of 8642 is 20.5212945493

Scales and comparisons

How big is 8642?
  • 8,642 seconds is equal to 2 hours, 24 minutes, 2 seconds.
  • To count from 1 to 8,642 would take you about two 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 8642 cubic inches would be around 1.7 feet tall.

Recreational maths with 8642

  • 8642 backwards is 2468
  • The number of decimal digits it has is: 4
  • The sum of 8642's digits is 20
  • More coming soon!

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The information we have on file for 8642 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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