21017387008
21,017,387,008 is an even composite number composed of four prime numbers multiplied together.
21017387008 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21017387008:
213 × 61 × 137 × 307
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 61 × 137 × 307)See below for interesting mathematical facts about the number 21017387008 from the Numbermatics database.
Names of 21017387008
- Cardinal: 21017387008 can be written as Twenty-one billion, seventeen million, three hundred eighty-seven thousand and eight.
Scientific notation
- Scientific notation: 2.1017387008 × 1010
Factors of 21017387008
Divisors of 21017387008
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 8 16 32 61 64 122 128 137 244 256 274 307 488 512 548 614 976 1024 1096 1228 1952 2048 2192 2456 3904 4096 4384 4912 7808 8192 8357 8768 9824 15616 16714 17536 18727 19648 31232 33428 35072 37454 39296 42059 62464 66856 70144 74908 78592 84118 124928 133712 140288 149816 157184 168236 249856 267424 280576 299632 314368 336472 499712 534848 561152 599264 628736 672944 1069696 1122304 1198528 1257472 1345888 2139392 2397056 2514944 2565599 2691776 4278784 4794112 5131198 5383552 8557568 9588224 10262396 10767104 17115136 19176448 20524792 21534208 34230272 38352896 41049584 43068416 68460544 76705792 82099168 86136832 153411584 164198336 172273664 328396672 344547328 656793344 1313586688 2627173376 5254346752 10508693504 21017387008
- Sum of all divisors σ(n): 43173267984
- Sum of proper divisors (its aliquot sum) s(n): 22155880976
- 21017387008 is an abundant number, because the sum of its proper divisors (22155880976) is greater than itself. Its abundance is 1138493968
Bases of 21017387008
- Binary: 100111001001011101111100000000000002
- Hexadecimal: 0x4E4BBE000
- Base-36: 9NL7JLS
Squares and roots of 21017387008
- 21017387008 squared (210173870082) is 441730556644047192064
- 21017387008 cubed (210173870083) is 9284022062247205535024794304512
-
The
square root of 21017387008 is 144973.7459266333 -
The
cube root of 21017387008 is 2759.6853859685
Scales and comparisons
How big is 21017387008?- 21,017,387,008 seconds is equal to 668 years, 14 weeks, 6 days, 19 hours, 3 minutes, 28 seconds.
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To count from 1 to 21,017,387,008 would take you about one thousand, three hundred thirty-six years!
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 21017387008 cubic inches would be around 230 feet tall.
Recreational maths with 21017387008
- 21017387008 backwards is 80078371012
- The number of decimal digits it has is: 11
- The sum of 21017387008's digits is 37
- More coming soon!
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The information we have on file for 21017387008 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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