16890

16,890 is an even composite number composed of four prime numbers multiplied together.

What does the number 16890 look like?

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

16890 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 16890:

2 × 3 × 5 × 563

See below for interesting mathematical facts about the number 16890 from the Numbermatics database.


Names of 16890

  • Cardinal: 16890 can be written as Sixteen thousand, eight hundred ninety.

Scientific notation

  • Scientific notation: 1.689 × 104

Factors of 16890

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 573

Divisors of 16890

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 40608
  • Sum of proper divisors (its aliquot sum) s(n): 23718
  • 16890 is an abundant number, because the sum of its proper divisors (23718) is greater than itself. Its abundance is 6828

Bases of 16890

  • Binary: 1000001111110102
  • Hexadecimal: 0x41FA
  • Base-36: D16

Squares and roots of 16890

  • 16890 squared (168902) is 285272100
  • 16890 cubed (168903) is 4818245769000
  • The square root of 16890 is 129.9615327703
  • The cube root of 16890 is 25.6572368427

Scales and comparisons

How big is 16890?
  • 16,890 seconds is equal to 4 hours, 41 minutes, 30 seconds.
  • To count from 1 to 16,890 would take you about four 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 16890 cubic inches would be around 2.1 feet tall.

Recreational maths with 16890

  • 16890 backwards is 09861
  • The number of decimal digits it has is: 5
  • The sum of 16890's digits is 24
  • More coming soon!

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The information we have on file for 16890 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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