18185492385918

Names of 18185492385918

• Cardinal: 18185492385918 can be written as Eighteen trillion, one hundred eighty-five billion, four hundred ninety-two million, three hundred eighty-five thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 1.8185492385918 × 10¹³

Factors of 18185492385918

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 95

Divisors of 18185492385918

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 27 29 33 37 39 54 58 66 74 78 81 87 99 111 117 143 162 169 174 198 222 234 243 261 286 297 319 333 338 351 377 407 429 481 486 507 522 594 638 666 702 729 754 783 814 858 891 957 962 999 1014 1053 1073 1131 1221 1287 1369 1443 1458 1521 1566 1782 1859 1914 1998 2106 2146 2197 2262 2349 2442 2574 2673 2738 2871 2886 2997 3042 3159 3219 3393 3663 3718 3861 4107 4147 4329 4394 4563 4698 4901 5291 5346 5577 5742 5994 6253 6318 6438 6591 6786 7047 7326 7722 8019 8214 8294 8613 8658 8991 9126 9477 9657 9802 10179 10582 10989 11154 11583 11803 12321 12441 12506 12987 13182 13689 13949 14094 14703 15059 15873 16038 16731 17226 17797 17982 18759 18954 19314 19773 20358 21141 21978 23166 23606 24167 24642 24882 25839 25974 26973 27378 27898 28561 28971 29406 30118 30537 31746 32967 33462 34749 35409 35594 36963 37323 37518 38961 39546 39701 41067 41847 42282 44109 45177 47619 48334 50193 51678 53391 53911 53946 56277 57122 57942 59319 61074 63713 65934 68783 69498 70818 72501 73926 74646 77517 77922 79402 81289 82134 83694 85683 86913 88218 90354 91611 95238 98901 100386 104247 106227 106782 107822 110889 111969 112554 116883 118638 119103 123201 125541 127426 132327 135531 137566 142857 145002 150579 153439 155034 160173 161733 162578 168831 171366 173826 177957 181337 183222 191139 195767 197802 206349 208494 212454 217503 221778 223938 231361 232551 233766 238206 243867 246402 251082 257049 260739 264654 271062 274833 285714 296703 301158 306878 314171 318681 320346 323466 332667 335907 337662 350649 355914 357309 362674 376623 382278 391534 396981 406593 412698 428571 435006 436711 451737 460317 462722 465102 480519 485199 487734 506493 514098 516113 521478 533871 544011 549666 573417 587301 593406 619047 628342 637362 652509 665334 671814 694083 700843 701298 714618 731601 753246 771147 782217 793962 813186 828269 857142 873422 894179 903474 920634 942513 956043 961038 970398 998001 1007721 1012986 1032226 1056757 1067742 1071927 1088022 1129869 1146834 1174602 1190943 1219779 1238094 1285713 1305018 1310133 1355211 1380951 1388166 1401686 1441557 1455597 1463202 1519479 1542294 1548339 1564434 1601613 1632033 1656538 1720251 1761903 1788358 1857141 1885026 1912086 1957527 1994707 1996002 2015442 2082249 2102529 2113514 2143854 2194803 2259738 2313441 2357381 2381886 2439558 2484807 2544971 2571426 2620266 2682537 2710422 2761902 2827539 2868129 2883114 2911194 3007693 3023163 3038958 3096678 3170271 3203226 3215781 3264066 3389607 3440502 3523806 3572829 3659337 3714282 3857139 3915054 3930399 3989414 4142853 4164498 4205058 4324671 4366791 4389606 4558437 4626882 4645017 4714762 4896099 4969614 5089942 5160753 5285709 5365074 5571423 5655078 5677243 5736258 5872581 5984121 6015386 6046326 6246747 6307587 6340542 6431562 6584409 6709469 6779214 6940323 7072143 7145658 7318674 7454421 7634913 7714278 7860798 8047611 8285706 8482617 8604387 8649342 8733582 9023079 9110959 9116874 9290034 9510813 9647343 9792198 10168821 10321506 10571418 10978011 11142846 11354486 11624327 11745162 11791197 11968242 12428559 12493494 12615174 12974013 13100373 13168818 13418938 13880646 13935051 14144286 14688297 14908842 15269826 15482259 15857127 16095222 16714269 16965234 17031729 17208774 17617743 17952363 18046158 18221918 18740241 18922761 19021626 19294686 19753227 20128407 20337642 20820969 21216429 21956022 22363263 22904739 23248654 23582394 24142833 24857118 25447851 25931191 25948026 26200746 27069237 27332877 27870102 28532439 28942029 29376594 30645953 30964518 31714254 33084623 33428538 34063458 34872981 35235486 35373591 35904726 37285677 37480482 37845522 39100009 39301119 39506454 40256814 41641938 41805153 42432858 44064891 44726526 45809478 46446777 47571381 48285666 50142807 50895702 51095187 51862382 53857089 54138474 54665754 56220723 56768283 57064878 57884058 59259681 60385221 61291906 63649287 66169246 67089789 68714217 69745962 70747182 72428499 73804159 74571354 76343553 77793573 78200018 78602238 81207711 81998631 83610306 85597317 87223097 88129782 91937859 92893554 95142762 99253869 100285614 102190374 104618943 106120773 107714178 111857031 112441446 113536566 117300027 118519362 120770442 125415459 127298574 132194673 134179578 137428434 142714143 144856998 147608318 152687106 153285561 155587146 161571267 162415422 163997262 168662169 170304849 171194634 174446194 181155663 183875718 190947861 198507738 201269367 206142651 209237886 212241546 217285497 221412477 223714062 229030659 233380719 234600054 243623133 245995893 250830918 256791951 261669291 264389346 275813577 285428286 297761607 306571122 313856829 318362319 323142534 337105483 337324338 340609698 351900081 362311326 376246377 381895722 402538734 412285302 430100099 434570994 442824954 458061318 459856683 466761438 484713801 487246266 491991786 510914547 513583902 523338582 543466989 551627154 572843583 595523214 603808101 618427953 627713658 636724638 651856491 664237431 674210966 700142157 703800162 730869399 737987679 752492754 770375853 785007873 827440731 860200198 893284821 919713366 941570487 959454067 969427602 1011316449 1021829094 1055700243 1086933978 1133900261 1145687166 1207616202 1236855906 1290300297 1303712982 1328474862 1379570049 1400284314 1454141403 1461738798 1475975358 1540751706 1570015746 1630400967 1654881462 1718530749 1786569642 1855283859 1883140974 1918908134 1992712293 2022632898 2100426471 2111400486 2192608197 2213963037 2267800522 2355023619 2482322193 2580600594 2679854463 2759140098 2824711461 2878362201 2908282806 3033949347 3167100729 3260801934 3401700783 3437061498 3710567718 3870900891 3985424586 4138710147 4200852942 4385216394 4427926074 4710047238 4891202901 4964644386 5359708926 5649422922 5756724402 5978136879 6067898694 6301279413 6334201458 6641889111 6803401566 7065070857 7446966579 7741801782 8039563389 8277420294 8474134383 8635086603 9101848041 9501302187 9782405802 10205102349 11612702673 11956273758 12472902871 12602558826 13283778222 14130141714 14893933158 16079126778 16948268766 17270173206 17934410637 18203696082 18903838239 19002604374 20410204698 21195212571 22340899737 23225405346 24118690167 24945805742 25905259809 27305544123 28503906561 30615307047 34838108019 35868821274 37418708613 37807676478 42390425142 44681799474 48237380334 51810519618 53803231911 54611088246 57007813122 61230614094 63585637713 69676216038 74837417226 77715779427 81916632369 91845921141 104514324057 107606463822 112256125839 127171275426 155431558854 163833264738 183691842282 209028648114 224512251678 233147338281 245749897107 275537763423 313542972171 336768377517 466294676562 491499794214 551075526846 627085944342 673536755034 699442014843 826613290269 1010305132551 1398884029686 1653226580538 2020610265102 3030915397653 6061830795306 9092746192959 18185492385918
• Sum of all divisors σ(n): 51389259614280
• Sum of proper divisors (its aliquot sum) s(n): 33203767228362
• 18185492385918 is an abundant number, because the sum of its proper divisors (33203767228362) is greater than itself. Its abundance is 15018274842444

Bases of 18185492385918

• Binary: 100001000101000100011110100000101000001111110₂
• Hexadecimal: 0x108A23D0507E
• Base-36: 6G2ASMPVI

Squares and roots of 18185492385918

• 18185492385918 squared (18185492385918²) is 330712133318281552244702724
• 18185492385918 cubed (18185492385918³) is 6014162982390307688018203508851393840632
• The square root of 18185492385918 is 4264445.1439686733
• The cube root of 18185492385918 is 26297.1300901131

Scales and comparisons

• 18,185,492,385,918 seconds is equal to 578,242 years, 21 weeks, 22 hours, 45 minutes, 18 seconds.
• To count from 1 to 18,185,492,385,918 would take you about one million, four hundred forty-five thousand, six hundred six 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 18185492385918 cubic inches would be around 2191.4 feet tall.

Recreational maths with 18185492385918

• 18185492385918 backwards is 81958329458181
• The number of decimal digits it has is: 14
• The sum of 18185492385918's digits is 72
• More coming soon!