21491335125
21,491,335,125 is an odd composite number composed of six prime numbers multiplied together.
What does the number 21491335125 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 320 divisors.
21491335125 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21491335125:
34 × 53 × 13 × 23 × 31 × 229
(3 × 3 × 3 × 3 × 5 × 5 × 5 × 13 × 23 × 31 × 229)See below for interesting mathematical facts about the number 21491335125 from the Numbermatics database.
Names of 21491335125
- Cardinal: 21491335125 can be written as Twenty-one billion, four hundred ninety-one million, three hundred thirty-five thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1491335125 × 1010
Factors of 21491335125
Divisors of 21491335125
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 5 9 13 15 23 25 27 31 39 45 65 69 75 81 93 115 117 125 135 155 195 207 225 229 279 299 325 345 351 375 403 405 465 575 585 621 675 687 713 775 837 897 975 1035 1053 1125 1145 1209 1395 1495 1625 1725 1755 1863 2015 2025 2061 2139 2325 2511 2691 2875 2925 2977 3105 3375 3435 3565 3627 3875 4185 4485 4875 5175 5265 5267 5725 6045 6183 6417 6975 7099 7475 8073 8625 8775 8931 9269 9315 10075 10125 10305 10695 10881 11625 12555 13455 14625 14885 15525 15801 17175 17825 18135 18549 19251 20925 21297 22425 24219 25875 26325 26335 26793 27807 28625 30225 30915 32085 32643 34875 35495 37375 40365 43875 44655 46345 46575 47403 50375 51525 53475 54405 57753 62775 63891 67275 68471 74425 77625 79005 80379 83421 85875 89125 90675 92287 92745 96255 104625 106485 112125 121095 131625 131675 133965 139035 142209 151125 154575 160425 163215 163277 177475 191673 201825 205413 223275 231725 232875 237015 241137 250263 257625 267375 272025 276861 288765 313875 319455 336375 342355 372125 395025 401895 417105 426627 453375 461435 463725 481275 489831 532425 575019 605475 616239 658375 669825 695175 711045 750789 772875 802125 816075 816385 830583 887375 958365 1009125 1027065 1116375 1158625 1185075 1205685 1251315 1360125 1384305 1443825 1469493 1597275 1711775 1848717 1975125 2009475 2085525 2122601 2133135 2307175 2318625 2406375 2449155 2491749 2662125 2875095 3027375 3081195 3349125 3475875 3555225 3753945 4080375 4081925 4152915 4408479 4791825 5135325 5546151 5925375 6028425 6256575 6367803 6921525 7219125 7347465 7475247 7986375 8558875 9243585 10047375 10427625 10613005 10665675 11535875 12245775 12458745 13225437 14375475 15405975 17776125 18769725 19103409 20409625 20764575 22042395 23959125 25676625 27730755 30142125 31282875 31839015 34607625 36737325 37376235 46217925 53065025 53328375 57310227 61228875 62293725 66127185 71877375 77029875 93848625 95517045 103822875 110211975 138653775 159195075 171930681 183686625 186881175 231089625 265325125 286551135 311468625 330635925 477585225 551059875 693268875 795975375 859653405 934405875 1432755675 1653179625 2387926125 4298267025 7163778375 21491335125
- Sum of all divisors σ(n): 46679592960
- Sum of proper divisors (its aliquot sum) s(n): 25188257835
- 21491335125 is an abundant number, because the sum of its proper divisors (25188257835) is greater than itself. Its abundance is 3696922710
Bases of 21491335125
- Binary: 101000000001111101110111111110101012
- Hexadecimal: 0x500FBBFD5
- Base-36: 9VFDWB9
Squares and roots of 21491335125
- 21491335125 squared (214913351252) is 461877485455058765625
- 21491335125 cubed (214913351253) is 9926363826606981058615705078125
-
The
square root of 21491335125 is 146599.2330300537 -
The
cube root of 21491335125 is 2780.2752830671
Scales and comparisons
How big is 21491335125?- 21,491,335,125 seconds is equal to 683 years, 18 weeks, 4 days, 7 hours, 18 minutes, 45 seconds.
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To count from 1 to 21,491,335,125 would take you about one thousand, three hundred sixty-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 21491335125 cubic inches would be around 231.7 feet tall.
Recreational maths with 21491335125
- 21491335125 backwards is 52153319412
- The number of decimal digits it has is: 11
- The sum of 21491335125's digits is 36
- More coming soon!
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