21137081625
21,137,081,625 is an odd composite number composed of four prime numbers multiplied together.
21137081625 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21137081625:
39 × 53 × 112 × 71
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 11 × 11 × 71)See below for interesting mathematical facts about the number 21137081625 from the Numbermatics database.
Names of 21137081625
- Cardinal: 21137081625 can be written as Twenty-one billion, one hundred thirty-seven million, eighty-one thousand, six hundred twenty-five.
Scientific notation
- Scientific notation: 2.1137081625 × 1010
Factors of 21137081625
Divisors of 21137081625
- Number of divisors d(n): 240
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Complete list of divisors:
1 3 5 9 11 15 25 27 33 45 55 71 75 81 99 121 125 135 165 213 225 243 275 297 355 363 375 405 495 605 639 675 729 781 825 891 1065 1089 1125 1215 1375 1485 1775 1815 1917 2025 2187 2343 2475 2673 3025 3195 3267 3375 3645 3905 4125 4455 5325 5445 5751 6075 6561 7029 7425 8019 8591 8875 9075 9585 9801 10125 10935 11715 12375 13365 15125 15975 16335 17253 18225 19525 19683 21087 22275 24057 25773 26625 27225 28755 29403 30375 32805 35145 37125 40095 42955 45375 47925 49005 51759 54675 58575 63261 66825 72171 77319 79875 81675 86265 88209 91125 97625 98415 105435 111375 120285 128865 136125 143775 147015 155277 164025 175725 189783 200475 214775 216513 231957 239625 245025 258795 264627 273375 292875 316305 334125 360855 386595 408375 431325 441045 465831 492075 527175 569349 601425 644325 695871 718875 735075 776385 793881 820125 878625 948915 1002375 1073875 1082565 1159785 1225125 1293975 1323135 1397493 1581525 1708047 1804275 1932975 2087613 2156625 2205225 2329155 2381643 2460375 2635875 2846745 3007125 3221625 3479355 3675375 3881925 3969405 4744575 5124141 5412825 5798925 6262839 6469875 6615675 6987465 7907625 8540235 9021375 9664875 10438065 11026125 11645775 11908215 14233725 15372423 17396775 18788517 19409625 19847025 23722875 25620705 27064125 28994625 31314195 33078375 34937325 42701175 52190325 56365551 58228875 59541075 71168625 76862115 86983875 93942585 99235125 128103525 156570975 169096653 174686625 213505875 260951625 281827755 297705375 384310575 469712925 640517625 782854875 845483265 1409138775 1921552875 2348564625 4227416325 7045693875 21137081625
- Sum of all divisors σ(n): 44104604544
- Sum of proper divisors (its aliquot sum) s(n): 22967522919
- 21137081625 is an abundant number, because the sum of its proper divisors (22967522919) is greater than itself. Its abundance is 1830441294
Bases of 21137081625
- Binary: 100111010111101111001000101000110012
- Hexadecimal: 0x4EBDE4519
- Base-36: 9PKH0K9
Squares and roots of 21137081625
- 21137081625 squared (211370816252) is 446776219621912640625
- 21137081625 cubed (211370816253) is 9443545422257294123509916015625
-
The
square root of 21137081625 is 145385.9746502393 -
The
cube root of 21137081625 is 2764.9143011523
Scales and comparisons
How big is 21137081625?- 21,137,081,625 seconds is equal to 672 years, 4 weeks, 6 days, 3 hours, 33 minutes, 45 seconds.
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To count from 1 to 21,137,081,625 would take you about one thousand, three hundred forty-four 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 21137081625 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137081625
- 21137081625 backwards is 52618073112
- The number of decimal digits it has is: 11
- The sum of 21137081625's digits is 36
- More coming soon!
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