21989016
21,989,016 is an even composite number composed of four prime numbers multiplied together.
21989016 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21989016:
23 × 33 × 7 × 14543
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 14543)See below for interesting mathematical facts about the number 21989016 from the Numbermatics database.
Names of 21989016
- Cardinal: 21989016 can be written as Twenty-one million, nine hundred eighty-nine thousand and sixteen.
Scientific notation
- Scientific notation: 2.1989016 × 107
Factors of 21989016
Divisors of 21989016
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 14543 29086 43629 58172 87258 101801 116344 130887 174516 203602 261774 305403 349032 392661 407204 523548 610806 785322 814408 916209 1047096 1221612 1570644 1832418 2443224 2748627 3141288 3664836 5497254 7329672 10994508 21989016
- Sum of all divisors σ(n): 69811200
- Sum of proper divisors (its aliquot sum) s(n): 47822184
- 21989016 is an abundant number, because the sum of its proper divisors (47822184) is greater than itself. Its abundance is 25833168
Bases of 21989016
- Binary: 10100111110000110100110002
- Hexadecimal: 0x14F8698
- Base-36: D3AU0
Squares and roots of 21989016
- 21989016 squared (219890162) is 483516824648256
- 21989016 cubed (219890163) is 10632059193459695556096
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The
square root of 21989016 is 4689.2447153035 -
The
cube root of 21989016 is 280.1572925753
Scales and comparisons
How big is 21989016?- 21,989,016 seconds is equal to 36 weeks, 2 days, 12 hours, 3 minutes, 36 seconds.
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To count from 1 to 21,989,016 would take you about two weeks!
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 21989016 cubic inches would be around 23.3 feet tall.
Recreational maths with 21989016
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The information we have on file for 21989016 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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