21443657472
21,443,657,472 is an even composite number composed of four prime numbers multiplied together.
21443657472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21443657472:
28 × 38 × 17 × 751
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 17 × 751)See below for interesting mathematical facts about the number 21443657472 from the Numbermatics database.
Names of 21443657472
- Cardinal: 21443657472 can be written as Twenty-one billion, four hundred forty-three million, six hundred fifty-seven thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1443657472 × 1010
Factors of 21443657472
Divisors of 21443657472
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 128 136 144 153 162 192 204 216 243 256 272 288 306 324 384 408 432 459 486 544 576 612 648 729 751 768 816 864 918 972 1088 1152 1224 1296 1377 1458 1502 1632 1728 1836 1944 2176 2187 2253 2304 2448 2592 2754 2916 3004 3264 3456 3672 3888 4131 4352 4374 4506 4896 5184 5508 5832 6008 6528 6561 6759 6912 7344 7776 8262 8748 9012 9792 10368 11016 11664 12016 12393 12767 13056 13122 13518 14688 15552 16524 17496 18024 19584 20277 20736 22032 23328 24032 24786 25534 26244 27036 29376 31104 33048 34992 36048 37179 38301 39168 40554 44064 46656 48064 49572 51068 52488 54072 58752 60831 62208 66096 69984 72096 74358 76602 81108 88128 93312 96128 99144 102136 104976 108144 111537 114903 117504 121662 132192 139968 144192 148716 153204 162216 176256 182493 186624 192256 198288 204272 209952 216288 223074 229806 243324 264384 279936 288384 297432 306408 324432 344709 352512 364986 396576 408544 419904 432576 446148 459612 486648 528768 547479 559872 576768 594864 612816 648864 689418 729972 793152 817088 839808 865152 892296 919224 973296 1034127 1057536 1094958 1189728 1225632 1297728 1378836 1459944 1586304 1634176 1642437 1679616 1730304 1784592 1838448 1946592 2068254 2189916 2379456 2451264 2595456 2757672 2919888 3102381 3172608 3268352 3284874 3569184 3676896 3893184 4136508 4379832 4758912 4902528 4927311 5190912 5515344 5839776 6204762 6569748 7138368 7353792 7786368 8273016 8759664 9307143 9517824 9805056 9854622 11030688 11679552 12409524 13139496 14276736 14707584 15572736 16546032 17519328 18614286 19709244 22061376 23359104 24819048 26278992 27921429 28553472 29415168 33092064 35038656 37228572 39418488 44122752 46718208 49638096 52557984 55842858 66184128 70077312 74457144 78836976 83764287 88245504 99276192 105115968 111685716 132368256 140154624 148914288 157673952 167528574 198552384 210231936 223371432 264736512 297828576 315347904 335057148 397104768 420463872 446742864 595657152 630695808 670114296 794209536 893485728 1191314304 1261391616 1340228592 1786971456 2382628608 2680457184 3573942912 5360914368 7147885824 10721828736 21443657472
- Sum of all divisors σ(n): 68069173536
- Sum of proper divisors (its aliquot sum) s(n): 46625516064
- 21443657472 is an abundant number, because the sum of its proper divisors (46625516064) is greater than itself. Its abundance is 25181858592
Bases of 21443657472
- Binary: 100111111100010010000111111000000002
- Hexadecimal: 0x4FE243F00
- Base-36: 9UN0000
Squares and roots of 21443657472
- 21443657472 squared (214436574722) is 459830445776461430784
- 21443657472 cubed (214436574723) is 9860446574427508001951132418048
-
The
square root of 21443657472 is 146436.5305243197 -
The
cube root of 21443657472 is 2778.2177849403
Scales and comparisons
How big is 21443657472?- 21,443,657,472 seconds is equal to 681 years, 43 weeks, 5 days, 11 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,443,657,472 would take you about one thousand, three hundred sixty-three 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 21443657472 cubic inches would be around 231.5 feet tall.
Recreational maths with 21443657472
- 21443657472 backwards is 27475634412
- The number of decimal digits it has is: 11
- The sum of 21443657472's digits is 45
- More coming soon!
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