21063728
21,063,728 is an even composite number composed of four prime numbers multiplied together.
21063728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 21063728:
24 × 72 × 67 × 401
(2 × 2 × 2 × 2 × 7 × 7 × 67 × 401)See below for interesting mathematical facts about the number 21063728 from the Numbermatics database.
Names of 21063728
- Cardinal: 21063728 can be written as Twenty-one million, sixty-three thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1063728 × 107
Factors of 21063728
Divisors of 21063728
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 4 7 8 14 16 28 49 56 67 98 112 134 196 268 392 401 469 536 784 802 938 1072 1604 1876 2807 3208 3283 3752 5614 6416 6566 7504 11228 13132 19649 22456 26264 26867 39298 44912 52528 53734 78596 107468 157192 188069 214936 314384 376138 429872 752276 1316483 1504552 2632966 3009104 5265932 10531864 21063728
- Sum of all divisors σ(n): 48302712
- Sum of proper divisors (its aliquot sum) s(n): 27238984
- 21063728 is an abundant number, because the sum of its proper divisors (27238984) is greater than itself. Its abundance is 6175256
Bases of 21063728
- Binary: 10100000101101000001100002
- Hexadecimal: 0x1416830
- Base-36: CJGVK
Squares and roots of 21063728
- 21063728 squared (210637282) is 443680637257984
- 21063728 cubed (210637283) is 9345568262068840804352
-
The
square root of 21063728 is 4589.5237225665 -
The
cube root of 21063728 is 276.1712163155
Scales and comparisons
How big is 21063728?- 21,063,728 seconds is equal to 34 weeks, 5 days, 19 hours, 2 minutes, 8 seconds.
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To count from 1 to 21,063,728 would take you about sixteen 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 21063728 cubic inches would be around 23 feet tall.
Recreational maths with 21063728
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The information we have on file for 21063728 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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