18018906412644

Names of 18018906412644

• Cardinal: 18018906412644 can be written as Eighteen trillion, eighteen billion, nine hundred six million, four hundred twelve thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.8018906412644 × 10¹³

Factors of 18018906412644

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 631

Divisors of 18018906412644

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 29 34 36 37 51 54 58 61 68 74 81 87 102 108 111 116 122 148 151 153 162 174 183 204 222 244 261 302 306 324 331 333 348 366 444 453 459 493 522 549 604 612 629 662 666 732 783 906 918 986 993 999 1037 1044 1073 1098 1258 1324 1332 1359 1377 1479 1566 1647 1769 1812 1836 1887 1972 1986 1998 2074 2146 2196 2257 2349 2516 2567 2718 2754 2958 2979 2997 3111 3132 3219 3294 3538 3774 3972 3996 4077 4148 4292 4379 4437 4514 4698 4941 5134 5307 5436 5508 5587 5627 5661 5916 5958 5994 6222 6438 6588 6771 7076 7548 7701 8154 8758 8874 8937 9028 9211 9333 9396 9599 9657 9882 10268 10614 11174 11254 11322 11916 11988 12231 12247 12444 12876 13137 13311 13542 15402 15921 16308 16761 16881 16983 17516 17748 17874 18241 18422 18666 19198 19314 19764 20191 20313 21228 22348 22508 22644 23103 24462 24494 26274 26622 26811 27084 27633 27999 28797 28971 30073 30804 31842 33522 33762 33966 35748 36482 36741 36844 37332 38369 38396 38628 39411 39933 40382 40626 46206 47763 48924 48988 49981 50283 50643 50949 52548 53244 53622 54723 55266 55998 57594 57942 60146 60573 60939 63684 65453 67044 67524 67932 69309 72964 73482 74443 76738 78822 79866 80764 81252 82899 83997 86391 86913 90219 92412 94979 95526 99962 100566 101286 101898 107244 109446 110223 110532 111996 115107 115188 115884 118233 120292 121146 121878 130906 138618 143289 146964 148886 149943 150849 151929 153476 156587 157644 159732 162023 163183 164169 165798 167994 172782 173826 180438 181719 182817 189958 191052 196359 199924 201132 202572 203796 207927 208199 218892 220446 223329 230214 236466 242292 243756 248697 259173 261812 267119 270657 277236 284937 286578 297772 299886 301698 303858 313174 324046 326366 328338 330669 331596 335988 340807 343247 345321 345564 347652 354699 355163 360876 363438 365634 379916 392718 415854 416398 440892 446658 449829 452547 455787 460428 469761 472932 486069 489549 492507 497394 518346 534238 541314 545157 569874 573156 585539 589077 599772 603396 607716 624597 626348 648092 652732 656676 661338 669987 681614 686494 690642 709398 710326 726876 731268 746091 747067 777519 785436 801357 811971 831708 832796 849677 854811 893316 899658 905094 911574 939522 972138 979098 985014 992007 994788 1022421 1029741 1035963 1036692 1065489 1068476 1082628 1090314 1112701 1139748 1171078 1178154 1249194 1322676 1339974 1349487 1363228 1372988 1381284 1409283 1418796 1420652 1449449 1458207 1468647 1477521 1492182 1494134 1555038 1602714 1623942 1635471 1699354 1709622 1756617 1767231 1799316 1810188 1823148 1849297 1873791 1879044 1944276 1958196 1970028 1984014 2009961 2044842 2059482 2071926 2130978 2180628 2225402 2241201 2342156 2356308 2404071 2435913 2498388 2549031 2564433 2679948 2698974 2754391 2818566 2898898 2916414 2937294 2955042 2984364 2988268 3048841 3067263 3089223 3107889 3110076 3196467 3205428 3247884 3270942 3338103 3398708 3419244 3513234 3534462 3698594 3747582 3968028 4019922 4048461 4089684 4118964 4143852 4227849 4261956 4348347 4374621 4405941 4450804 4482402 4541023 4808142 4871826 5098062 5128866 5269851 5301693 5397948 5508782 5547891 5621373 5637132 5793719 5797796 5832828 5874588 5910084 6029883 6037771 6097682 6134526 6178446 6215778 6392934 6541884 6676206 6723603 7026468 7068924 7212213 7397188 7495164 7647093 7693299 8039844 8096922 8263173 8455698 8696694 8749242 8811882 8964804 9082046 9146523 9201789 9267669 9589401 9616284 9743652 9883403 9954163 10014309 10196124 10257732 10539702 10603386 11017564 11095782 11242746 11587438 12059766 12075542 12195364 12269052 12356892 12431556 12683547 12700139 12785868 13045041 13123863 13217823 13352412 13447206 13623069 14424426 15294186 15386598 15809553 16193844 16526346 16643673 16864119 16911396 17381157 17393388 17498484 17623764 18113313 18164092 18293046 18403578 18535338 19178802 19766806 19908326 20028618 20170809 21079404 21206772 21636639 21664943 22191564 22485492 22941279 23174876 24119532 24151084 24640633 24789519 25367094 25400278 26090082 26247726 26435646 26894412 27246138 27439569 27605367 27803007 28768203 28848852 29650209 29862489 30042927 30588372 30773196 31438049 31619106 33052692 33287346 33728238 34762314 36226626 36586092 36807156 37070676 38100417 38357604 39135123 39533612 39816652 40057236 40341618 40869207 43273278 43329886 45882558 47428659 49281266 49579038 49931019 50734188 50800556 51830297 52143471 52180164 52495452 52871292 53629613 54339939 54492276 54879138 55210734 55606014 57536406 59300418 59724978 60085854 60512427 62876098 63238212 64994829 66574692 67456476 68823837 69524628 72453252 73921899 74368557 76200834 78270246 80683236 81738414 82318707 86546556 86659772 88416389 88950627 89587467 90128781 91765116 94314147 94857318 98562532 99158076 99862038 103660594 104286942 107259226 108679878 109758276 110421468 111212028 112807117 114301251 115072812 117405369 118600836 119449956 120171708 121024854 122607621 125752196 129989658 137647674 147843798 148737114 149793057 152401668 155490891 156430413 156540492 160888839 163019817 163476828 164637414 168017851 176832778 177901254 179174934 180257562 188628294 189714636 194984487 199724076 207321188 208573884 214518452 217359756 221765697 223105671 225614234 228602502 234810738 242049708 245215242 246956121 259979316 265249167 266851881 268762401 275295348 282942441 295687596 297474228 299586114 310981782 312860826 321777678 326039634 329274828 336035702 338421351 342903753 353665556 355802508 358349868 360515124 367822863 368304031 377256588 389968974 443531394 446211342 451228468 457205004 466472673 469291239 469621476 482666517 489059451 490430484 493912242 504053553 530498334 533703762 537524802 565884882 584953461 599172228 621963564 625721652 643555356 652079268 665297091 672071404 676842702 685807506 735645726 736608062 779937948 795747501 800555643 806287203 848827323 887062788 892422684 911703421 932945346 938582478 965333034 978118902 987824484 1008107106 1015264053 1028711259 1060996668 1067407524 1075049604 1104912093 1131769764 1169906922 1330594182 1353685404 1371615012 1399418019 1447999551 1471291452 1473216124 1503078613 1512160659 1591495002 1601111286 1612574406 1697654646 1754860383 1823406842 1865890692 1877164956 1917720989 1930666068 1956237804 1995891273 2016214212 2030528106 2057422518 2209824186 2339813844 2387242503 2546481969 2661188364 2735110263 2798836038 2895999102 3006157226 3024321318 3045792159 3182990004 3202222572 3225148812 3271406393 3314736279 3395309292 3509720766 3646813684 3835441978 3991782546 4061056212 4114845036 4198254057 4343998653 4419648372 4509235839 4536481977 4774485006 5092963938 5470220526 5597672076 5753162967 5791998204 6012314452 6048642636 6091584318 6542812786 6629472558 7019441532 7161727509 7670883956 7983565092 8205330789 8396508114 8687997306 9018471678 9072963954 9137376477 9548970012 9814219179 9944208837 10185927876 10940441052 11506325934 12183168636 13085625572 13258945116 13527707517 13609445931 14323455018 16410661578 16793016228 17259488901 17375994612 18036943356 18145927908 18274752954 19628438358 19888417674 23012651868 24615992367 27055415034 27218891862 28646910036 29442657537 29832626511 32821323156 34518977802 36549505908 39256876716 39776835348 40583122551 49231984734 51778466703 54110830068 54437783724 55613908681 58885315074 59665253022 69037955604 73847977101 81166245102 88327972611 98463969468 103556933406 111227817362 117770630148 119330506044 121749367653 147695954202 155335400109 162332490204 166841726043 176655945222 207113866812 222455634724 243498735306 264983917833 295391908404 310670800218 333683452086 353311890444 486997470612 500525178129 529967835666 621341600436 667366904172 1001050356258 1059935671332 1501575534387 2002100712516 3003151068774 4504726603161 6006302137548 9009453206322 18018906412644
• Sum of all divisors σ(n): 54379364497920
• Sum of proper divisors (its aliquot sum) s(n): 36360458085276
• 18018906412644 is an abundant number, because the sum of its proper divisors (36360458085276) is greater than itself. Its abundance is 18341551672632

Bases of 18018906412644

• Binary: 100000110001101011010100001000001011001100100₂
• Hexadecimal: 0x10635A841664
• Base-36: 6DXRRN690

Squares and roots of 18018906412644

• 18018906412644 squared (18018906412644²) is 324680988307623065203070736
• 18018906412644 cubed (18018906412644³) is 5850396342279820834536814620990736785984
• The square root of 18018906412644 is 4244868.2444386891
• The cube root of 18018906412644 is 26216.5864384553

Scales and comparisons

• 18,018,906,412,644 seconds is equal to 572,945 years, 25 weeks, 2 days, 13 hours, 17 minutes, 24 seconds.
• To count from 1 to 18,018,906,412,644 would take you about one million, four hundred thirty-two thousand, three hundred sixty-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 18018906412644 cubic inches would be around 2184.7 feet tall.

Recreational maths with 18018906412644

• 18018906412644 backwards is 44621460981081
• 18018906412644 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18018906412644's digits is 54
• More coming soon!