21189616
21,189,616 is an even composite number composed of five prime numbers multiplied together.
21189616 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21189616:
24 × 7 × 17 × 31 × 359
(2 × 2 × 2 × 2 × 7 × 17 × 31 × 359)See below for interesting mathematical facts about the number 21189616 from the Numbermatics database.
Names of 21189616
- Cardinal: 21189616 can be written as Twenty-one million, one hundred eighty-nine thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1189616 × 107
Factors of 21189616
Divisors of 21189616
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 31 34 56 62 68 112 119 124 136 217 238 248 272 359 434 476 496 527 718 868 952 1054 1436 1736 1904 2108 2513 2872 3472 3689 4216 5026 5744 6103 7378 8432 10052 11129 12206 14756 20104 22258 24412 29512 40208 42721 44516 48824 59024 77903 85442 89032 97648 155806 170884 178064 189193 311612 341768 378386 623224 683536 756772 1246448 1324351 1513544 2648702 3027088 5297404 10594808 21189616
- Sum of all divisors σ(n): 51425280
- Sum of proper divisors (its aliquot sum) s(n): 30235664
- 21189616 is an abundant number, because the sum of its proper divisors (30235664) is greater than itself. Its abundance is 9046048
Bases of 21189616
- Binary: 10100001101010011111100002
- Hexadecimal: 0x14353F0
- Base-36: CM60G
Squares and roots of 21189616
- 21189616 squared (211896162) is 448999826227456
- 21189616 cubed (211896163) is 9514133901826521296896
-
The
square root of 21189616 is 4603.2180048309 -
The
cube root of 21189616 is 276.7203057239
Scales and comparisons
How big is 21189616?- 21,189,616 seconds is equal to 35 weeks, 6 hours, 16 seconds.
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To count from 1 to 21,189,616 would take you about three 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 21189616 cubic inches would be around 23.1 feet tall.
Recreational maths with 21189616
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The information we have on file for 21189616 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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