21048856
21,048,856 is an even composite number composed of five prime numbers multiplied together.
21048856 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21048856:
23 × 17 × 37 × 47 × 89
(2 × 2 × 2 × 17 × 37 × 47 × 89)See below for interesting mathematical facts about the number 21048856 from the Numbermatics database.
Names of 21048856
- Cardinal: 21048856 can be written as Twenty-one million, forty-eight thousand, eight hundred fifty-six.
Scientific notation
- Scientific notation: 2.1048856 × 107
Factors of 21048856
Divisors of 21048856
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 17 34 37 47 68 74 89 94 136 148 178 188 296 356 376 629 712 799 1258 1513 1598 1739 2516 3026 3196 3293 3478 4183 5032 6052 6392 6586 6956 8366 12104 13172 13912 16732 26344 29563 33464 55981 59126 71111 111962 118252 142222 154771 223924 236504 284444 309542 447848 568888 619084 1238168 2631107 5262214 10524428 21048856
- Sum of all divisors σ(n): 44323200
- Sum of proper divisors (its aliquot sum) s(n): 23274344
- 21048856 is an abundant number, because the sum of its proper divisors (23274344) is greater than itself. Its abundance is 2225488
Bases of 21048856
- Binary: 10100000100101110000110002
- Hexadecimal: 0x1412E18
- Base-36: CJ5EG
Squares and roots of 21048856
- 21048856 squared (210488562) is 443054338908736
- 21048856 cubed (210488563) is 9325786979865181206016
-
The
square root of 21048856 is 4587.9032247859 -
The
cube root of 21048856 is 276.1062043141
Scales and comparisons
How big is 21048856?- 21,048,856 seconds is equal to 34 weeks, 5 days, 14 hours, 54 minutes, 16 seconds.
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To count from 1 to 21,048,856 would take you about ten 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 21048856 cubic inches would be around 23 feet tall.
Recreational maths with 21048856
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