18123641172
18,123,641,172 is an even composite number composed of five prime numbers multiplied together.
18123641172 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 18123641172:
22 × 32 × 74 × 13 × 1272
(2 × 2 × 3 × 3 × 7 × 7 × 7 × 7 × 13 × 127 × 127)See below for interesting mathematical facts about the number 18123641172 from the Numbermatics database.
Names of 18123641172
- Cardinal: 18123641172 can be written as Eighteen billion, one hundred twenty-three million, six hundred forty-one thousand, one hundred seventy-two.
Scientific notation
- Scientific notation: 1.8123641172 × 1010
Factors of 18123641172
Divisors of 18123641172
- Number of divisors d(n): 270
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 78 84 91 98 117 126 127 147 156 182 196 234 252 254 273 294 343 364 381 441 468 508 546 588 637 686 762 819 882 889 1029 1092 1143 1274 1372 1524 1638 1651 1764 1778 1911 2058 2286 2401 2548 2667 3087 3276 3302 3556 3822 4116 4459 4572 4802 4953 5334 5733 6174 6223 6604 7203 7644 8001 8918 9604 9906 10668 11466 11557 12348 12446 13377 14406 14859 16002 16129 17836 18669 19812 21609 22932 23114 24892 26754 28812 29718 31213 32004 32258 34671 37338 40131 43218 43561 46228 48387 53508 56007 59436 62426 64516 69342 74676 80262 80899 86436 87122 93639 96774 104013 112014 112903 124852 130683 138684 145161 160524 161798 174244 187278 193548 208026 209677 224028 225806 242697 261366 280917 290322 304927 323596 338709 374556 392049 416052 419354 451612 485394 522732 561834 566293 580644 609854 629031 677418 728091 784098 790321 838708 914781 970788 1016127 1123668 1132586 1219708 1258062 1354836 1456182 1467739 1568196 1580642 1698879 1829562 1887093 2032254 2265172 2370963 2516124 2744343 2912364 2935478 3161284 3397758 3659124 3774186 3964051 4064508 4403217 4741926 5096637 5488686 5532247 5870956 6795516 7112889 7548372 7928102 8806434 9483852 10193274 10274173 10977372 11064494 11892153 13209651 14225778 15856204 16596741 17612868 20386548 20548346 22128988 23784306 26419302 28451556 30822519 33193482 35676459 38725729 41096692 47568612 49790223 52838604 61645038 66386964 71352918 71919211 77451458 92467557 99580446 116177187 123290076 142705836 143838422 154902916 184935114 199160892 215757633 232354374 287676844 348531561 369870228 431515266 464708748 503434477 647272899 697063122 863030532 1006868954 1294545798 1394126244 1510303431 2013737908 2589091596 3020606862 4530910293 6041213724 9061820586 18123641172
- Sum of all divisors σ(n): 58012681818
- Sum of proper divisors (its aliquot sum) s(n): 39889040646
- 18123641172 is an abundant number, because the sum of its proper divisors (39889040646) is greater than itself. Its abundance is 21765399474
Bases of 18123641172
- Binary: 100001110000100000011010001010101002
- Hexadecimal: 0x43840D154
- Base-36: 8BQCJ10
Squares and roots of 18123641172
- 18123641172 squared (181236411722) is 328466369331413533584
- 18123641172 cubed (181236411723) is 5953006614832164430220987120448
-
The
square root of 18123641172 is 134624.0735232745 -
The
cube root of 18123641172 is 2626.7282911825
Scales and comparisons
How big is 18123641172?- 18,123,641,172 seconds is equal to 576 years, 14 weeks, 2 days, 8 hours, 46 minutes, 12 seconds.
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To count from 1 to 18,123,641,172 would take you about one thousand, one hundred fifty-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 18123641172 cubic inches would be around 218.9 feet tall.
Recreational maths with 18123641172
- 18123641172 backwards is 27114632181
- 18123641172 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18123641172's digits is 36
- More coming soon!
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