18490

18,490 is an even composite number composed of three prime numbers multiplied together.

What does the number 18490 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

18490 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 18490:

2 × 5 × 432

(2 × 5 × 43 × 43)

See below for interesting mathematical facts about the number 18490 from the Numbermatics database.


Names of 18490

  • Cardinal: 18490 can be written as Eighteen thousand, four hundred ninety.

Scientific notation

  • Scientific notation: 1.849 × 104

Factors of 18490

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 50

Divisors of 18490

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 34074
  • Sum of proper divisors (its aliquot sum) s(n): 15584
  • 18490 is a deficient number, because the sum of its proper divisors (15584) is less than itself. Its deficiency is 2906

Bases of 18490

  • Binary: 1001000001110102
  • Hexadecimal: 0x483A
  • Base-36: E9M

Squares and roots of 18490

  • 18490 squared (184902) is 341880100
  • 18490 cubed (184903) is 6321363049000
  • The square root of 18490 is 135.9779393873
  • The cube root of 18490 is 26.4430961239

Scales and comparisons

How big is 18490?
  • 18,490 seconds is equal to 5 hours, 8 minutes, 10 seconds.
  • To count from 1 to 18,490 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 18490 cubic inches would be around 2.2 feet tall.

Recreational maths with 18490

  • 18490 backwards is 09481
  • The number of decimal digits it has is: 5
  • The sum of 18490's digits is 22
  • More coming soon!

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The information we have on file for 18490 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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