21320866125
21,320,866,125 is an odd composite number composed of six prime numbers multiplied together.
21320866125 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21320866125:
32 × 53 × 13 × 312 × 37 × 41
(3 × 3 × 5 × 5 × 5 × 13 × 31 × 31 × 37 × 41)See below for interesting mathematical facts about the number 21320866125 from the Numbermatics database.
Names of 21320866125
- Cardinal: 21320866125 can be written as Twenty-one billion, three hundred twenty million, eight hundred sixty-six thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1320866125 × 1010
Factors of 21320866125
Divisors of 21320866125
- Number of divisors d(n): 288
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Complete list of divisors:
1 3 5 9 13 15 25 31 37 39 41 45 65 75 93 111 117 123 125 155 185 195 205 225 279 325 333 369 375 403 465 481 533 555 585 615 775 925 961 975 1025 1125 1147 1209 1271 1395 1443 1517 1599 1625 1665 1845 2015 2325 2405 2665 2775 2883 2925 3075 3441 3627 3813 3875 4329 4551 4625 4797 4805 4875 5125 5735 6045 6355 6975 7215 7585 7995 8325 8649 9225 10075 10323 11439 11625 12025 12493 13325 13653 13875 14415 14625 14911 15375 16523 17205 18135 19065 19721 21645 22755 23985 24025 28675 30225 31775 34875 35557 36075 37479 37925 39401 39975 41625 43245 44733 46125 47027 49569 50375 51615 57195 59163 60125 62465 66625 68265 72075 74555 82615 86025 90675 95325 98605 106671 108225 112437 113775 118203 119925 120125 134199 141081 143375 148707 151125 158875 177489 177785 180375 187395 189625 197005 199875 216225 223665 235135 247845 258075 285975 295815 312325 320013 341325 354609 360375 372775 413075 423243 430125 453375 462241 476625 493025 512213 533355 541125 562185 568875 591015 599625 611351 670995 705405 743535 887445 888925 936975 985025 1081125 1118325 1175675 1239225 1290375 1386723 1429875 1457837 1479075 1536639 1561625 1600065 1706625 1773045 1834053 1863875 2065375 2116215 2311205 2465125 2561065 2666775 2810925 2955075 3056755 3354975 3527025 3717675 4160169 4373511 4437225 4444625 4609917 4684875 4925125 5502159 5591625 5878375 6196125 6933615 7289185 7395375 7683195 8000325 8865225 9170265 10581075 11556025 12805325 13120533 13333875 14054625 14775375 15283775 16774875 17635125 18588375 18951881 20800845 21867555 22186125 23049585 27510795 34668075 36445925 38415975 40001625 44326125 45851325 52905375 56855643 57780125 64026625 65602665 76418875 94759405 104004225 109337775 115247925 137553975 170566929 173340375 182229625 192079875 229256625 284278215 328013325 473797025 520021125 546688875 576239625 687769875 852834645 1421391075 1640066625 2368985125 4264173225 7106955375 21320866125
- Sum of all divisors σ(n): 44996436576
- Sum of proper divisors (its aliquot sum) s(n): 23675570451
- 21320866125 is an abundant number, because the sum of its proper divisors (23675570451) is greater than itself. Its abundance is 2354704326
Bases of 21320866125
- Binary: 100111101101101001010011001010011012
- Hexadecimal: 0x4F6D2994D
- Base-36: 9SLW5L9
Squares and roots of 21320866125
- 21320866125 squared (213208661252) is 454579332320172515625
- 21320866125 cubed (213208661253) is 9692025087590283842545095703125
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The
square root of 21320866125 is 146016.6638606703 -
The
cube root of 21320866125 is 2772.9047246583
Scales and comparisons
How big is 21320866125?- 21,320,866,125 seconds is equal to 677 years, 48 weeks, 5 days, 6 hours, 48 minutes, 45 seconds.
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To count from 1 to 21,320,866,125 would take you about one thousand, three hundred fifty-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 21320866125 cubic inches would be around 231.1 feet tall.
Recreational maths with 21320866125
- 21320866125 backwards is 52166802312
- The number of decimal digits it has is: 11
- The sum of 21320866125's digits is 36
- More coming soon!
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