21,676 is an even composite number composed of two prime numbers multiplied together.

What does the number 21676 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

21676 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21676:

22 × 5419

(2 × 2 × 5419)

See below for interesting mathematical facts about the number 21676 from the Numbermatics database.

Names of 21676

  • Cardinal: 21676 can be written as Twenty-one thousand, six hundred seventy-six.

Scientific notation

  • Scientific notation: 2.1676 × 104

Factors of 21676

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 5421

Divisors of 21676

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 37940
  • Sum of proper divisors (its aliquot sum) s(n): 16264
  • 21676 is a deficient number, because the sum of its proper divisors (16264) is less than itself. Its deficiency is 5412

Bases of 21676

  • Binary: 1010100101011002
  • Hexadecimal: 0x54AC
  • Base-36: GQ4

Squares and roots of 21676

  • 21676 squared (216762) is 469848976
  • 21676 cubed (216763) is 10184446403776
  • The square root of 21676 is 147.2277147823
  • The cube root of 21676 is 27.8821578005

Scales and comparisons

How big is 21676?
  • 21,676 seconds is equal to 6 hours, 1 minute, 16 seconds.
  • To count from 1 to 21,676 would take you about six 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 21676 cubic inches would be around 2.3 feet tall.

Recreational maths with 21676

  • 21676 backwards is 67612
  • The number of decimal digits it has is: 5
  • The sum of 21676's digits is 22
  • More coming soon!

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The information we have on file for 21676 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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