18906

18,906 is an even composite number composed of four prime numbers multiplied together.

What does the number 18906 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

18906 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 18906:

2 × 3 × 23 × 137

See below for interesting mathematical facts about the number 18906 from the Numbermatics database.


Names of 18906

  • Cardinal: 18906 can be written as Eighteen thousand, nine hundred six.

Scientific notation

  • Scientific notation: 1.8906 × 104

Factors of 18906

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 165

Divisors of 18906

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 39744
  • Sum of proper divisors (its aliquot sum) s(n): 20838
  • 18906 is an abundant number, because the sum of its proper divisors (20838) is greater than itself. Its abundance is 1932

Bases of 18906

  • Binary: 1001001110110102
  • Hexadecimal: 0x49DA
  • Base-36: EL6

Squares and roots of 18906

  • 18906 squared (189062) is 357436836
  • 18906 cubed (189063) is 6757700821416
  • The square root of 18906 is 137.4990909061
  • The cube root of 18906 is 26.6399384969

Scales and comparisons

How big is 18906?
  • 18,906 seconds is equal to 5 hours, 15 minutes, 6 seconds.
  • To count from 1 to 18,906 would take you about five 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 18906 cubic inches would be around 2.2 feet tall.

Recreational maths with 18906

  • 18906 backwards is 60981
  • The number of decimal digits it has is: 5
  • The sum of 18906's digits is 24
  • More coming soon!

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"Number 18906 - Facts about the integer". Numbermatics.com. 2021. Web. 17 May 2021.

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The information we have on file for 18906 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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