21004672

21,004,672 is an even composite number composed of three prime numbers multiplied together.

What does the number 21004672 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

21004672 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21004672:

2⁷ × 13² × 971

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 13 × 971)

See below for interesting mathematical facts about the number 21004672 from the Numbermatics database.

Names of 21004672

Cardinal: 21004672 can be written as Twenty-one million, four thousand, six hundred seventy-two.

Scientific notation

Scientific notation: 2.1004672 × 10⁷

Factors of 21004672

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 986

Divisors of 21004672

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 104 128 169 208 338 416 676 832 971 1352 1664 1942 2704 3884 5408 7768 10816 12623 15536 21632 25246 31072 50492 62144 100984 124288 164099 201968 328198 403936 656396 807872 1312792 1615744 2625584 5251168 10502336 21004672
Sum of all divisors σ(n): 45358380
Sum of proper divisors (its aliquot sum) s(n): 24353708
21004672 is an abundant number, because the sum of its proper divisors (24353708) is greater than itself. Its abundance is 3349036

Bases of 21004672

Binary: 1010000001000000110000000₂
Hexadecimal: 0x1408180
Base-36: CI7B4

Squares and roots of 21004672

21004672 squared (21004672²) is 441196245827584
21004672 cubed (21004672³) is 9267182431239770472448
The square root of 21004672 is 4583.0854235983
The cube root of 21004672 is 275.9128759523

Scales and comparisons

How big is 21004672?

21,004,672 seconds is equal to 34 weeks, 5 days, 2 hours, 37 minutes, 52 seconds.
To count from 1 to 21,004,672 would take you about fifteen 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 21004672 cubic inches would be around 23 feet tall.

Recreational maths with 21004672

21004672 backwards is 27640012
The number of decimal digits it has is: 8
The sum of 21004672's digits is 22
More coming soon!

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The information we have on file for 21004672 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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