18042042942
18,042,042,942 is an even composite number composed of seven prime numbers multiplied together.
18042042942 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18042042942:
2 × 32 × 72 × 11 × 43 × 59 × 733
(2 × 3 × 3 × 7 × 7 × 11 × 43 × 59 × 733)See below for interesting mathematical facts about the number 18042042942 from the Numbermatics database.
Names of 18042042942
- Cardinal: 18042042942 can be written as Eighteen billion, forty-two million, forty-two thousand, nine hundred forty-two.
Scientific notation
- Scientific notation: 1.8042042942 × 1010
Factors of 18042042942
Divisors of 18042042942
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 33 42 43 49 59 63 66 77 86 98 99 118 126 129 147 154 177 198 231 258 294 301 354 387 413 441 462 473 531 539 602 649 693 733 774 826 882 903 946 1062 1078 1239 1298 1386 1419 1466 1617 1806 1947 2107 2199 2478 2537 2709 2838 2891 3234 3311 3717 3894 4214 4257 4398 4543 4851 5074 5131 5418 5782 5841 6321 6597 6622 7434 7611 8063 8514 8673 9086 9702 9933 10262 11682 12642 13194 13629 15222 15393 16126 17346 17759 18963 19866 22833 23177 24189 26019 27258 27907 29799 30786 31519 31801 35518 35917 37926 40887 43247 45666 46179 46354 48378 52038 53277 55814 56441 59598 63038 63602 69531 71834 72567 81774 83721 86494 92358 94557 95403 106554 107751 112882 124313 129741 139062 145134 159831 167442 169323 189114 190806 195349 208593 215502 220633 248626 251163 259482 283671 286209 302729 319662 323253 338646 346709 372939 389223 390698 395087 417186 441266 475717 502326 507969 567342 572418 586047 605458 646506 661899 693418 745878 778446 790174 908187 951434 1015938 1040127 1118817 1172094 1185261 1323798 1367443 1427151 1544431 1758141 1816374 1859621 1985697 2080254 2119103 2237634 2370522 2426963 2724561 2734886 2854302 3088862 3120381 3330019 3516282 3555783 3719242 3971394 4102329 4238206 4281453 4633293 4853926 5449122 5578863 6240762 6357309 6660038 7111566 7280889 8204658 8562906 9266586 9990057 11157726 12306987 12714618 13017347 13899879 14561778 16736589 16988741 19071927 19980114 20455831 21842667 23310133 24613974 26034694 27799758 29970171 33473178 33977482 38143854 39052041 40911662 43685334 46620266 50966223 59940342 61367493 69930399 78104082 91121429 101932446 117156123 122734986 139860798 143190817 152898669 182242858 184102479 209791197 234312246 273364287 286381634 305797338 368204958 419582394 429572451 546728574 820092861 859144902 1002335719 1288717353 1640185722 2004671438 2577434706 3007007157 6014014314 9021021471 18042042942
- Sum of all divisors σ(n): 51691685760
- Sum of proper divisors (its aliquot sum) s(n): 33649642818
- 18042042942 is an abundant number, because the sum of its proper divisors (33649642818) is greater than itself. Its abundance is 15607599876
Bases of 18042042942
- Binary: 100001100110110001110111010001111102
- Hexadecimal: 0x43363BA3E
- Base-36: 8ADRLFI
Squares and roots of 18042042942
- 18042042942 squared (180420429422) is 325515313520972015364
- 18042042942 cubed (180420429423) is 5872961264823970318777571760888
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The
square root of 18042042942 is 134320.6720575801 -
The
cube root of 18042042942 is 2622.7802461263
Scales and comparisons
How big is 18042042942?- 18,042,042,942 seconds is equal to 573 years, 35 weeks, 2 days, 22 hours, 35 minutes, 42 seconds.
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To count from 1 to 18,042,042,942 would take you about one thousand, one hundred forty-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 18042042942 cubic inches would be around 218.6 feet tall.
Recreational maths with 18042042942
- 18042042942 backwards is 24924024081
- The number of decimal digits it has is: 11
- The sum of 18042042942's digits is 36
- More coming soon!
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