18123563638908

Names of 18123563638908

• Cardinal: 18123563638908 can be written as Eighteen trillion, one hundred twenty-three billion, five hundred sixty-three million, six hundred thirty-eight thousand, nine hundred eight.

Scientific notation

• Scientific notation: 1.8123563638908 × 10¹³

Factors of 18123563638908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 446

Divisors of 18123563638908

• Number of divisors d(n): 486
• 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 98 117 126 147 156 169 182 196 234 252 273 294 338 343 364 421 441 468 507 546 588 637 676 686 819 842 882 1014 1029 1092 1183 1263 1274 1372 1521 1638 1684 1764 1911 2028 2058 2366 2401 2526 2548 2947 3042 3087 3276 3549 3789 3822 4116 4459 4732 4802 5052 5473 5733 5894 6084 6174 7098 7203 7578 7644 8281 8841 8918 9604 10647 10946 11466 11788 12348 13377 14196 14406 15156 16419 16562 16807 17682 17836 20629 21294 21609 21892 22932 24843 26523 26754 28812 31213 32838 33124 33614 35364 38311 40131 41258 42588 43218 49257 49686 50421 53046 53508 57967 61887 62426 65676 67228 71149 74529 76622 80262 82516 86436 93639 98514 99372 100842 106092 114933 115934 123774 124852 142298 144403 149058 151263 153244 160524 173901 177241 185661 187278 197028 201684 213447 218491 229866 231868 247548 268177 280917 284596 288806 298116 302526 344799 347802 354482 371322 374556 405769 426894 433209 436982 459732 498043 521703 531723 536354 561834 577612 605052 640341 655473 689598 695604 708964 742644 804531 811538 853788 866418 873964 996086 1010821 1043406 1063446 1072708 1123668 1217307 1240687 1280682 1299627 1310946 1379196 1494129 1595169 1609062 1623076 1732836 1877239 1966419 1992172 2021642 2086812 2126892 2304133 2413593 2434614 2481374 2561364 2599254 2621892 2840383 2988258 3032463 3190338 3218124 3486301 3651921 3722061 3754478 3932838 4043284 4482387 4608266 4827186 4869228 4962748 5198508 5631717 5680766 5976516 6064926 6380676 6912399 6972602 7075747 7303842 7444122 7508956 7865676 8521149 8684809 8964774 9097389 9216532 9654372 10458903 11166183 11263434 11361532 12129852 13140673 13824798 13945204 14151494 14607684 14888244 16128931 16895151 17042298 17369618 17929548 18194778 20737197 20917806 21227241 22332366 22526868 24404107 25563447 26054427 26281346 27649596 28302988 29953729 31376709 32257862 33790302 34084596 34739236 36389556 39422019 41474394 41835612 42454482 44664732 48386793 48808214 51126894 52108854 52562692 59907458 60793663 62753418 63681723 64515724 67580604 73212321 78163281 78844038 82948788 84908964 89861187 91984711 96773586 97616428 102253788 104217708 112902517 118266057 119814916 121587326 125506836 127363446 145160379 146424642 156326562 157688076 170828749 179722374 182380989 183969422 193547172 209676103 219636963 225805034 236532114 243174652 254726892 269583561 275954133 290320758 292849284 312653124 338707551 341657498 359444748 364761978 367938844 419352206 425555641 439273926 451610068 473064228 512486247 539167122 547142967 551908266 580641516 629028309 677415102 683314996 729523956 790317619 827862399 838704412 851111282 878547852 1016122653 1024972494 1078334244 1094285934 1103816532 1195801243 1258056618 1276666923 1354830204 1467732721 1537458741 1580635238 1655724798 1702222564 1887084927 2032245306 2049944988 2188571868 2370952857 2391602486 2516113236 2553333846 2935465442 2978889487 3074917482 3161270476 3311449596 3587403729 3774169854 3830000769 4064490612 4403198163 4741905714 4783204972 5106667692 5532223333 5870930884 5957778974 6149834964 7112858571 7174807458 7548339708 7660001538 8806396326 8936668461 9483811428 10274129047 10762211187 11064446666 11915557948 13209594489 14225717142 14349614916 15320003076 16596669999 17612792652 17873336922 20548258094 21524422374 22128893332 26419188978 26810005383 28451434284 30822387141 33193339998 35746673844 38725563331 41096516188 43048844748 49790009997 52838377956 53620010766 61644774282 66386679996 71918903329 77451126662 92467161423 99580019994 107240021532 116176689993 123289548564 143837806658 154902253324 184934322846 199160039988 215756709987 232353379986 287675613316 348530069979 369868645692 431513419974 464706759972 503432323303 647270129961 697060139958 863026839948 1006864646606 1294540259922 1394120279916 1510296969909 2013729293212 2589080519844 3020593939818 4530890909727 6041187879636 9061781819454 18123563638908
• Sum of all divisors σ(n): 58012658979912
• Sum of proper divisors (its aliquot sum) s(n): 39889095341004
• 18123563638908 is an abundant number, because the sum of its proper divisors (39889095341004) is greater than itself. Its abundance is 21765531702096

Bases of 18123563638908

• Binary: 100000111101110111000100100101010000001111100₂
• Hexadecimal: 0x107BB892A07C
• Base-36: 6F9ULUQV0

Squares and roots of 18123563638908

• 18123563638908 squared (18123563638908²) is 328463558973548186611432464
• 18123563638908 cubed (18123563638908³) is 5952930214119311430259777593086324709312
• The square root of 18123563638908 is 4257177.8960842123
• The cube root of 18123563638908 is 26267.2454545511

Scales and comparisons

• 18,123,563,638,908 seconds is equal to 576,273 years, 13 weeks, 5 days, 1 hour, 1 minute, 48 seconds.
• To count from 1 to 18,123,563,638,908 would take you about one million, four hundred forty thousand, six hundred eighty-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 18123563638908 cubic inches would be around 2188.9 feet tall.

Recreational maths with 18123563638908

• 18123563638908 backwards is 80983636532181
• 18123563638908 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18123563638908's digits is 63
• More coming soon!