21006272768
21,006,272,768 is an even composite number composed of three prime numbers multiplied together.
21006272768 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred twenty-six divisors.
Prime factorization of 21006272768:
28 × 136 × 17
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 13 × 13 × 13 × 13 × 13 × 17)See below for interesting mathematical facts about the number 21006272768 from the Numbermatics database.
Names of 21006272768
- Cardinal: 21006272768 can be written as Twenty-one billion, six million, two hundred seventy-two thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1006272768 × 1010
Factors of 21006272768
Divisors of 21006272768
- Number of divisors d(n): 126
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Complete list of divisors:
1 2 4 8 13 16 17 26 32 34 52 64 68 104 128 136 169 208 221 256 272 338 416 442 544 676 832 884 1088 1352 1664 1768 2176 2197 2704 2873 3328 3536 4352 4394 5408 5746 7072 8788 10816 11492 14144 17576 21632 22984 28288 28561 35152 37349 43264 45968 56576 57122 70304 74698 91936 114244 140608 149396 183872 228488 281216 298792 367744 371293 456976 485537 562432 597584 735488 742586 913952 971074 1195168 1485172 1827904 1942148 2390336 2970344 3655808 3884296 4780672 4826809 5940688 6311981 7311616 7768592 9561344 9653618 11881376 12623962 15537184 19307236 23762752 25247924 31074368 38614472 47525504 50495848 62148736 77228944 82055753 95051008 100991696 124297472 154457888 164111506 201983392 308915776 328223012 403966784 617831552 656446024 807933568 1235663104 1312892048 1615867136 2625784096 5251568192 10503136384 21006272768
- Sum of all divisors σ(n): 48096737514
- Sum of proper divisors (its aliquot sum) s(n): 27090464746
- 21006272768 is an abundant number, because the sum of its proper divisors (27090464746) is greater than itself. Its abundance is 6084191978
Bases of 21006272768
- Binary: 100111001000001001001001001000000002
- Hexadecimal: 0x4E4124900
- Base-36: 9NELBSW
Squares and roots of 21006272768
- 21006272768 squared (210062727682) is 441263495603618381824
- 21006272768 cubed (210062727683) is 9269301351210776536373717368832
-
The
square root of 21006272768 is 144935.4089517121 -
The
cube root of 21006272768 is 2759.1988488961
Scales and comparisons
How big is 21006272768?- 21,006,272,768 seconds is equal to 667 years, 48 weeks, 4 days, 3 hours, 46 minutes, 8 seconds.
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To count from 1 to 21,006,272,768 would take you about one thousand, three hundred thirty-five 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 21006272768 cubic inches would be around 229.9 feet tall.
Recreational maths with 21006272768
- 21006272768 backwards is 86727260012
- The number of decimal digits it has is: 11
- The sum of 21006272768's digits is 41
- More coming soon!
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Keywords: Divisors of 21006272768, math, Factors of 21006272768, curriculum, school, college, exams, university, Prime factorization of 21006272768, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, six million, two hundred seventy-two thousand, seven hundred sixty-eight.