21105497376
21,105,497,376 is an even composite number composed of five prime numbers multiplied together.
21105497376 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21105497376:
25 × 34 × 312 × 37 × 229
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 31 × 31 × 37 × 229)See below for interesting mathematical facts about the number 21105497376 from the Numbermatics database.
Names of 21105497376
- Cardinal: 21105497376 can be written as Twenty-one billion, one hundred five million, four hundred ninety-seven thousand, three hundred seventy-six.
Scientific notation
- Scientific notation: 2.1105497376 × 1010
Factors of 21105497376
Divisors of 21105497376
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 37 48 54 62 72 74 81 93 96 108 111 124 144 148 162 186 216 222 229 248 279 288 296 324 333 372 432 444 458 496 558 592 648 666 687 744 837 864 888 916 961 992 999 1116 1147 1184 1296 1332 1374 1488 1674 1776 1832 1922 1998 2061 2232 2294 2511 2592 2664 2748 2883 2976 2997 3348 3441 3552 3664 3844 3996 4122 4464 4588 5022 5328 5496 5766 5994 6183 6696 6882 7099 7328 7688 7992 8244 8473 8649 8928 9176 10044 10323 10656 10992 11532 11988 12366 13392 13764 14198 15376 15984 16488 16946 17298 18352 18549 20088 20646 21297 21984 23064 23976 24732 25419 25947 26784 27528 28396 30752 30969 31968 32976 33892 34596 35557 36704 37098 40176 41292 42594 46128 47952 49464 50838 51894 55056 56792 61938 63891 65952 67784 69192 71114 74196 76257 77841 80352 82584 85188 92256 92907 95904 98928 101676 103788 106671 110112 113584 123876 127782 135568 138384 142228 148392 152514 155682 165168 170376 185814 191673 197856 203352 207576 213342 220069 227168 228771 247752 255564 262663 271136 276768 284456 296784 305028 311364 320013 330336 340752 371628 383346 406704 415152 426684 440138 457542 495504 511128 525326 568912 575019 593568 610056 622728 640026 660207 681504 686313 743256 766692 787989 813408 830304 853368 880276 915084 960039 991008 1022256 1050652 1137824 1150038 1220112 1245456 1280052 1320414 1372626 1486512 1533384 1575978 1706736 1760552 1830168 1920078 1980621 2044512 2101304 2300076 2363967 2440224 2490912 2560104 2640828 2745252 2880117 2973024 3066768 3151956 3413472 3521104 3660336 3840156 3961242 4202608 4600152 4727934 5120208 5281656 5490504 5760234 5941863 6133536 6303912 7042208 7091901 7320672 7680312 7922484 8142553 8405216 9200304 9455868 10240416 10563312 10981008 11520468 11883726 12607824 14183802 15360624 15844968 16285106 17825589 18400608 18911736 21126624 21275703 21962016 23040936 23767452 24427659 25215648 28367604 30721248 31689936 32570212 35651178 37823472 42551406 46081872 47534904 48855318 56735208 63379872 65140424 71302356 73282977 75646944 85102812 92163744 95069808 97710636 113470416 130280848 142604712 146565954 170205624 190139616 195421272 219848931 226940832 260561696 285209424 293131908 340411248 390842544 439697862 570418848 586263816 659546793 680822496 781685088 879395724 1172527632 1319093586 1758791448 2345055264 2638187172 3517582896 5276374344 7035165792 10552748688 21105497376
- Sum of all divisors σ(n): 66158644860
- Sum of proper divisors (its aliquot sum) s(n): 45053147484
- 21105497376 is an abundant number, because the sum of its proper divisors (45053147484) is greater than itself. Its abundance is 23947650108
Bases of 21105497376
- Binary: 100111010011111110001010101001000002
- Hexadecimal: 0x4E9FC5520
- Base-36: 9P1O200
Squares and roots of 21105497376
- 21105497376 squared (211054973762) is 445442019488342885376
- 21105497376 cubed (211054973763) is 9401275373471361629891436773376
-
The
square root of 21105497376 is 145277.3119795379 -
The
cube root of 21105497376 is 2763.5364497191
Scales and comparisons
How big is 21105497376?- 21,105,497,376 seconds is equal to 671 years, 4 weeks, 4 days, 14 hours, 9 minutes, 36 seconds.
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To count from 1 to 21,105,497,376 would take you about one thousand, three hundred forty-two 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 21105497376 cubic inches would be around 230.3 feet tall.
Recreational maths with 21105497376
- 21105497376 backwards is 67379450112
- The number of decimal digits it has is: 11
- The sum of 21105497376's digits is 45
- More coming soon!
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