21498107904
21,498,107,904 is an even composite number composed of five prime numbers multiplied together.
21498107904 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21498107904:
211 × 32 × 72 × 13 × 1831
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 13 × 1831)See below for interesting mathematical facts about the number 21498107904 from the Numbermatics database.
Names of 21498107904
- Cardinal: 21498107904 can be written as Twenty-one billion, four hundred ninety-eight million, one hundred seven thousand, nine hundred four.
Scientific notation
- Scientific notation: 2.1498107904 × 1010
Factors of 21498107904
Divisors of 21498107904
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 49 52 56 63 64 72 78 84 91 96 98 104 112 117 126 128 144 147 156 168 182 192 196 208 224 234 252 256 273 288 294 312 336 364 384 392 416 441 448 468 504 512 546 576 588 624 637 672 728 768 784 819 832 882 896 936 1008 1024 1092 1152 1176 1248 1274 1344 1456 1536 1568 1638 1664 1764 1792 1831 1872 1911 2016 2048 2184 2304 2352 2496 2548 2688 2912 3072 3136 3276 3328 3528 3584 3662 3744 3822 4032 4368 4608 4704 4992 5096 5376 5493 5733 5824 6144 6272 6552 6656 7056 7168 7324 7488 7644 8064 8736 9216 9408 9984 10192 10752 10986 11466 11648 12544 12817 13104 13312 14112 14336 14648 14976 15288 16128 16479 17472 18432 18816 19968 20384 21504 21972 22932 23296 23803 25088 25634 26208 26624 28224 29296 29952 30576 32256 32958 34944 37632 38451 39936 40768 43008 43944 45864 46592 47606 50176 51268 52416 56448 58592 59904 61152 64512 65916 69888 71409 75264 76902 79872 81536 87888 89719 91728 93184 95212 100352 102536 104832 112896 115353 117184 119808 122304 129024 131832 139776 142818 150528 153804 163072 166621 175776 179438 183456 186368 190424 205072 209664 214227 225792 230706 234368 239616 244608 263664 269157 279552 285636 301056 307608 326144 333242 351552 358876 366912 380848 410144 419328 428454 451584 461412 468736 489216 499863 527328 538314 559104 571272 615216 652288 666484 703104 717752 733824 761696 807471 820288 838656 856908 903168 922824 937472 978432 999726 1054656 1076628 1142544 1166347 1230432 1304576 1332968 1406208 1435504 1467648 1499589 1523392 1614942 1640576 1677312 1713816 1845648 1874944 1956864 1999452 2109312 2153256 2285088 2332694 2460864 2665936 2812416 2871008 2935296 2999178 3046784 3229884 3281152 3427632 3499041 3691296 3749888 3913728 3998904 4218624 4306512 4570176 4665388 4921728 5331872 5624832 5742016 5870592 5998356 6093568 6459768 6562304 6855264 6998082 7382592 7997808 8437248 8613024 9140352 9330776 9843456 10497123 10663744 11249664 11484032 11741184 11996712 12187136 12919536 13124608 13710528 13996164 14765184 15995616 16874496 17226048 18280704 18661552 19686912 20994246 21327488 22968064 23993424 24374272 25839072 26249216 27421056 27992328 29530368 31991232 33748992 34452096 36561408 37323104 39373824 41988492 42654976 45936128 47986848 48748544 51678144 54842112 55984656 59060736 63982464 68904192 73122816 74646208 78747648 83976984 85309952 91872256 95973696 103356288 109684224 111969312 118121472 127964928 137808384 146245632 149292416 167953968 170619904 183744512 191947392 206712576 219368448 223938624 236242944 255929856 275616768 298584832 335907936 341239808 383894784 413425152 438736896 447877248 511859712 551233536 597169664 671815872 767789568 826850304 895754496 1023719424 1194339328 1343631744 1535579136 1653700608 1791508992 2388678656 2687263488 3071158272 3583017984 5374526976 7166035968 10749053952 21498107904
- Sum of all divisors σ(n): 77826162960
- Sum of proper divisors (its aliquot sum) s(n): 56328055056
- 21498107904 is an abundant number, because the sum of its proper divisors (56328055056) is greater than itself. Its abundance is 34829947152
Bases of 21498107904
- Binary: 101000000010110001100011000000000002
- Hexadecimal: 0x501631800
- Base-36: 9VJF280
Squares and roots of 21498107904
- 21498107904 squared (214981079042) is 462168643452027273216
- 21498107904 cubed (214981079043) is 9935751366776985367148457099264
-
The
square root of 21498107904 is 146622.3308503859 -
The
cube root of 21498107904 is 2780.5673110285
Scales and comparisons
How big is 21498107904?- 21,498,107,904 seconds is equal to 683 years, 29 weeks, 5 days, 16 hours, 38 minutes, 24 seconds.
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To count from 1 to 21,498,107,904 would take you about one thousand, three hundred sixty-seven 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 21498107904 cubic inches would be around 231.7 feet tall.
Recreational maths with 21498107904
- 21498107904 backwards is 40970189412
- The number of decimal digits it has is: 11
- The sum of 21498107904's digits is 45
- More coming soon!
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