21796

21,796 is an even composite number composed of two prime numbers multiplied together.

What does the number 21796 look like?

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

21796 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 21796:

2² × 5449

(2 × 2 × 5449)

See below for interesting mathematical facts about the number 21796 from the Numbermatics database.

Names of 21796

Cardinal: 21796 can be written as Twenty-one thousand, seven hundred ninety-six.

Scientific notation

Scientific notation: 2.1796 × 10⁴

Factors of 21796

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 5451

Divisors of 21796

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 5449 10898 21796
Sum of all divisors σ(n): 38150
Sum of proper divisors (its aliquot sum) s(n): 16354
21796 is a deficient number, because the sum of its proper divisors (16354) is less than itself. Its deficiency is 5442

Bases of 21796

Binary: 101010100100100₂
Hexadecimal: 0x5524
Base-36: GTG

Squares and roots of 21796

21796 squared (21796²) is 475065616
21796 cubed (21796³) is 10354530166336
The square root of 21796 is 147.6346842717
The cube root of 21796 is 27.9335157315

Scales and comparisons

How big is 21796?

21,796 seconds is equal to 6 hours, 3 minutes, 16 seconds.
To count from 1 to 21,796 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 21796 cubic inches would be around 2.3 feet tall.

Recreational maths with 21796

21796 backwards is 69712
The number of decimal digits it has is: 5
The sum of 21796's digits is 25
More coming soon!

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The information we have on file for 21796 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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