21252

21,252 is an even composite number composed of five prime numbers multiplied together.

What does the number 21252 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21252 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21252:

2² × 3 × 7 × 11 × 23

(2 × 2 × 3 × 7 × 11 × 23)

See below for interesting mathematical facts about the number 21252 from the Numbermatics database.

Names of 21252

Cardinal: 21252 can be written as Twenty-one thousand, two hundred fifty-two.

Scientific notation

Scientific notation: 2.1252 × 10⁴

Factors of 21252

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 46

Divisors of 21252

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 11 12 14 21 22 23 28 33 42 44 46 66 69 77 84 92 132 138 154 161 231 253 276 308 322 462 483 506 644 759 924 966 1012 1518 1771 1932 3036 3542 5313 7084 10626 21252
Sum of all divisors σ(n): 64512
Sum of proper divisors (its aliquot sum) s(n): 43260
21252 is an abundant number, because the sum of its proper divisors (43260) is greater than itself. Its abundance is 22008

Bases of 21252

Binary: 101001100000100₂
Hexadecimal: 0x5304
Base-36: GEC

Squares and roots of 21252

21252 squared (21252²) is 451647504
21252 cubed (21252³) is 9598412755008
The square root of 21252 is 145.7806571531
The cube root of 21252 is 27.6991602225

Scales and comparisons

How big is 21252?

21,252 seconds is equal to 5 hours, 54 minutes, 12 seconds.
To count from 1 to 21,252 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 21252 cubic inches would be around 2.3 feet tall.

Recreational maths with 21252

21252 backwards is 25212
21252 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 21252's digits is 12
More coming soon!

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The information we have on file for 21252 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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