21512992

21,512,992 is an even composite number composed of four prime numbers multiplied together.

What does the number 21512992 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21512992 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21512992:

2⁵ × 61 × 103 × 107

(2 × 2 × 2 × 2 × 2 × 61 × 103 × 107)

See below for interesting mathematical facts about the number 21512992 from the Numbermatics database.

Names of 21512992

Cardinal: 21512992 can be written as Twenty-one million, five hundred twelve thousand, nine hundred ninety-two.

Scientific notation

Scientific notation: 2.1512992 × 10⁷

Factors of 21512992

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 273

Divisors of 21512992

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 8 16 32 61 103 107 122 206 214 244 412 428 488 824 856 976 1648 1712 1952 3296 3424 6283 6527 11021 12566 13054 22042 25132 26108 44084 50264 52216 88168 100528 104432 176336 201056 208864 352672 672281 1344562 2689124 5378248 10756496 21512992
Sum of all divisors σ(n): 43872192
Sum of proper divisors (its aliquot sum) s(n): 22359200
21512992 is an abundant number, because the sum of its proper divisors (22359200) is greater than itself. Its abundance is 846208

Bases of 21512992

Binary: 1010010000100001100100000₂
Hexadecimal: 0x1484320
Base-36: CT3J4

Squares and roots of 21512992

21512992 squared (21512992²) is 462808824792064
21512992 cubed (21512992³) is 9956402545281074495488
The square root of 21512992 is 4638.2099995581
The cube root of 21512992 is 278.1208866453

Scales and comparisons

How big is 21512992?

21,512,992 seconds is equal to 35 weeks, 3 days, 23 hours, 49 minutes, 52 seconds.
To count from 1 to 21,512,992 would take you about two days!

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 21512992 cubic inches would be around 23.2 feet tall.

Recreational maths with 21512992

21512992 backwards is 29921512
The number of decimal digits it has is: 8
The sum of 21512992's digits is 31
More coming soon!

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The information we have on file for 21512992 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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