21952

21,952 is an even composite number composed of two prime numbers multiplied together.

What does the number 21952 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 28 divisors.

21952 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 21952:

2⁶ × 7³

(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 21952 from the Numbermatics database.

Names of 21952

Cardinal: 21952 can be written as Twenty-one thousand, nine hundred fifty-two.

Scientific notation

Scientific notation: 2.1952 × 10⁴

Factors of 21952

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 9
Sum of prime factors: 9

Divisors of 21952

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 343 392 448 686 784 1372 1568 2744 3136 5488 10976 21952
Sum of all divisors σ(n): 50800
Sum of proper divisors (its aliquot sum) s(n): 28848
21952 is an abundant number, because the sum of its proper divisors (28848) is greater than itself. Its abundance is 6896

Bases of 21952

Binary: 101010111000000₂
Hexadecimal: 0x55C0
Base-36: GXS

Squares and roots of 21952

21952 squared (21952²) is 481890304
21952 cubed (21952³) is 10578455953408
The square root of 21952 is 148.1620734197
21952 is a perfect cube number. Its cube root is 28

Scales and comparisons

How big is 21952?

21,952 seconds is equal to 6 hours, 5 minutes, 52 seconds.
To count from 1 to 21,952 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 21952 cubic inches would be around 2.3 feet tall.

Recreational maths with 21952

21952 backwards is 25912
The number of decimal digits it has is: 5
The sum of 21952's digits is 19
More coming soon!

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The information we have on file for 21952 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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