21933

21,933 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21933 look like?

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

21933 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21933:

3² × 2437

(3 × 3 × 2437)

See below for interesting mathematical facts about the number 21933 from the Numbermatics database.

Names of 21933

Cardinal: 21933 can be written as Twenty-one thousand, nine hundred thirty-three.

Scientific notation

Scientific notation: 2.1933 × 10⁴

Factors of 21933

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 2440

Divisors of 21933

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 2437 7311 21933
Sum of all divisors σ(n): 31694
Sum of proper divisors (its aliquot sum) s(n): 9761
21933 is a deficient number, because the sum of its proper divisors (9761) is less than itself. Its deficiency is 12172

Bases of 21933

Binary: 101010110101101₂
Hexadecimal: 0x55AD
Base-36: GX9

Squares and roots of 21933

21933 squared (21933²) is 481056489
21933 cubed (21933³) is 10551011973237
The square root of 21933 is 148.0979405665
The cube root of 21933 is 27.9919194369

Scales and comparisons

How big is 21933?

21,933 seconds is equal to 6 hours, 5 minutes, 33 seconds.
To count from 1 to 21,933 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 21933 cubic inches would be around 2.3 feet tall.

Recreational maths with 21933

21933 backwards is 33912
The number of decimal digits it has is: 5
The sum of 21933's digits is 18
More coming soon!

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The information we have on file for 21933 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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