21055392
21,055,392 is an even composite number composed of four prime numbers multiplied together.
21055392 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21055392:
25 × 32 × 29 × 2521
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 2521)See below for interesting mathematical facts about the number 21055392 from the Numbermatics database.
Names of 21055392
- Cardinal: 21055392 can be written as Twenty-one million, fifty-five thousand, three hundred ninety-two.
Scientific notation
- Scientific notation: 2.1055392 × 107
Factors of 21055392
Divisors of 21055392
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 144 174 232 261 288 348 464 522 696 928 1044 1392 2088 2521 2784 4176 5042 7563 8352 10084 15126 20168 22689 30252 40336 45378 60504 73109 80672 90756 121008 146218 181512 219327 242016 292436 363024 438654 584872 657981 726048 877308 1169744 1315962 1754616 2339488 2631924 3509232 5263848 7018464 10527696 21055392
- Sum of all divisors σ(n): 61965540
- Sum of proper divisors (its aliquot sum) s(n): 40910148
- 21055392 is an abundant number, because the sum of its proper divisors (40910148) is greater than itself. Its abundance is 19854756
Bases of 21055392
- Binary: 10100000101000111101000002
- Hexadecimal: 0x14147A0
- Base-36: CJAG0
Squares and roots of 21055392
- 21055392 squared (210553922) is 443329532273664
- 21055392 cubed (210553923) is 9334477087198646796288
-
The
square root of 21055392 is 4588.6154774615 -
The
cube root of 21055392 is 276.1347797927
Scales and comparisons
How big is 21055392?- 21,055,392 seconds is equal to 34 weeks, 5 days, 16 hours, 43 minutes, 12 seconds.
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To count from 1 to 21,055,392 would take you about thirteen 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 21055392 cubic inches would be around 23 feet tall.
Recreational maths with 21055392
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The information we have on file for 21055392 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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