21072832

21,072,832 is an even composite number composed of four prime numbers multiplied together.

What does the number 21072832 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

21072832 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 21072832:

2⁶ × 11 × 37 × 809

(2 × 2 × 2 × 2 × 2 × 2 × 11 × 37 × 809)

See below for interesting mathematical facts about the number 21072832 from the Numbermatics database.

Names of 21072832

Cardinal: 21072832 can be written as Twenty-one million, seventy-two thousand, eight hundred thirty-two.

Scientific notation

Scientific notation: 2.1072832 × 10⁷

Factors of 21072832

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 859

Divisors of 21072832

Number of divisors d(n): 56
Complete list of divisors:
1 2 4 8 11 16 22 32 37 44 64 74 88 148 176 296 352 407 592 704 809 814 1184 1618 1628 2368 3236 3256 6472 6512 8899 12944 13024 17798 25888 26048 29933 35596 51776 59866 71192 119732 142384 239464 284768 329263 478928 569536 658526 957856 1317052 1915712 2634104 5268208 10536416 21072832
Sum of all divisors σ(n): 46908720
Sum of proper divisors (its aliquot sum) s(n): 25835888
21072832 is an abundant number, because the sum of its proper divisors (25835888) is greater than itself. Its abundance is 4763056

Bases of 21072832

Binary: 1010000011000101111000000₂
Hexadecimal: 0x1418BC0
Base-36: CJNWG

Squares and roots of 21072832

21072832 squared (21072832²) is 444064248500224
21072832 cubed (21072832³) is 9357691305851472314368
The square root of 21072832 is 4590.5154394687
The cube root of 21072832 is 276.2109987733

Scales and comparisons

How big is 21072832?

21,072,832 seconds is equal to 34 weeks, 5 days, 21 hours, 33 minutes, 52 seconds.
To count from 1 to 21,072,832 would take you about twenty 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 21072832 cubic inches would be around 23 feet tall.

Recreational maths with 21072832

21072832 backwards is 23827012
The number of decimal digits it has is: 8
The sum of 21072832's digits is 25
More coming soon!

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The information we have on file for 21072832 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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