18123732639432

Names of 18123732639432

• Cardinal: 18123732639432 can be written as Eighteen trillion, one hundred twenty-three billion, seven hundred thirty-two million, six hundred thirty-nine thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8123732639432 × 10¹³

Factors of 18123732639432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 289

Divisors of 18123732639432

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 71 72 79 81 84 108 126 127 142 158 162 168 189 213 216 237 252 254 284 316 324 378 381 426 474 497 504 508 553 567 568 632 639 648 711 756 762 852 889 948 994 1016 1106 1134 1143 1278 1422 1491 1512 1524 1659 1704 1778 1896 1917 1988 2133 2212 2268 2286 2556 2667 2844 2982 3048 3318 3429 3556 3834 3976 4266 4424 4473 4536 4572 4977 5041 5112 5334 5609 5688 5751 5964 6241 6399 6636 6858 7112 7668 8001 8532 8946 9017 9144 9954 10033 10082 10287 10668 11218 11502 11928 12482 12798 13272 13419 13716 14931 15123 15336 16002 16827 17064 17892 18034 18723 19908 20066 20164 20574 21336 22436 23004 24003 24964 25596 26838 27051 27432 29862 30099 30246 32004 33654 35287 35784 36068 37446 39263 39816 40132 40257 40328 41148 43687 44793 44872 45369 46008 48006 49928 50481 51192 53676 54102 56169 59724 60198 60492 63119 64008 67308 70231 70574 72009 72136 74892 78526 80264 80514 81153 82296 87374 89586 90297 90738 96012 100962 105861 107352 108204 112338 117789 119448 120396 120984 126238 131061 134616 136107 140462 141148 144018 149784 151443 157052 161028 162306 168507 174748 179172 180594 181476 189357 192024 201924 210693 211722 216408 224676 235578 240792 243459 252476 262122 270891 272214 280924 282296 288036 302886 314104 317583 322056 324612 337014 349496 353367 358344 361188 362952 378714 393183 398239 403848 408321 421386 423444 443111 449352 454329 471156 486918 504952 505521 524244 541782 544428 561848 568071 576072 605772 632079 635166 640207 649224 674028 706734 712343 722376 730377 757428 786366 792607 796478 812673 816642 842772 846888 886222 908658 942312 952749 973836 1011042 1048488 1060101 1083564 1088856 1136142 1179549 1194717 1211544 1264158 1270332 1280414 1329333 1348056 1413468 1424686 1460754 1514856 1572732 1585214 1592956 1625346 1633284 1685544 1704213 1772444 1817316 1896237 1905498 1920621 1947672 2022084 2120202 2137029 2167128 2272284 2359098 2377821 2389434 2528316 2540664 2560828 2658666 2787673 2826936 2849372 2858247 2921508 3101777 3145464 3170428 3180303 3185912 3250692 3266568 3408426 3538647 3544888 3584151 3634632 3792474 3810996 3841242 3987999 4044168 4240404 4274058 4481449 4544568 4718196 4755642 4778868 4986401 5056632 5112639 5121656 5317332 5548249 5575346 5688711 5698744 5716494 5761863 5843016 6203554 6340856 6360606 6411087 6501384 6816852 7077294 7133463 7168302 7584948 7621992 7682484 7975998 8363019 8480808 8548116 8962898 9305331 9436392 9511284 9557736 9972802 10225278 10634664 10752453 11096498 11150692 11377422 11432988 11523726 11963997 12407108 12721212 12822174 13444347 13633704 14154588 14266926 14336604 14959203 15169896 15364968 15951996 16644747 16726038 17096232 17285589 17925796 18610662 19022568 19233261 19945604 20450556 21400389 21504906 22192996 22301384 22754844 22865976 23047452 23927994 24814216 25089057 25442424 25644348 26888694 27915993 28309176 28533852 28673208 29918406 31460881 31903992 32257359 33289494 33452076 34571178 35851592 35891991 37221324 38466522 39891208 40333041 40901112 42800778 43009812 44385992 44877609 45509688 46094904 47855988 49934241 50178114 50576353 51288696 51856767 53777388 55831986 56275097 57067704 57699783 59836812 62921762 64201167 64514718 66578988 66904152 69142356 71783982 74442648 75267171 76933044 80666082 83747979 85601556 86019624 89755218 94382643 95711976 99868482 100356228 101152706 103713534 107554776 111663972 112550194 115399566 119673624 120999123 125843524 128402334 129029436 133157976 134632827 138284712 143567964 149802723 150534342 151729059 153866088 161332164 167495958 168825291 171203112 179510436 188765286 199736964 200712456 202305412 207427068 220226167 223327944 225100388 225801513 230799132 241998246 251243937 251687048 256804668 258058872 269265654 283147929 287135928 299605446 301068684 303458118 322664328 334991916 337650582 354034471 359020872 362997369 377530572 393925679 399473928 403898481 404610824 414854136 440452334 449408169 450200776 451603026 455187177 461598264 483996492 502487874 506475873 513609336 538531308 566295858 599210892 602137368 606916236 660678501 669983832 675301164 708068942 725994738 755061144 787851358 807796962 849443787 880904668 898816338 903206052 910374354 967992984 1004975748 1012951746 1062103413 1077062616 1132591716 1181777037 1198421784 1213832472 1321357002 1350602328 1365561531 1416137884 1451989476 1519427619 1575702716 1615593924 1698887574 1761809336 1797632676 1806412104 1820748708 1982035503 2009951496 2025903492 2124206826 2265183432 2363554074 2548331361 2642714004 2731123062 2832275768 2903978952 3038855238 3151405432 3186310239 3231187848 3397775148 3545331111 3595265352 3641497416 3964071006 3995531887 4051806984 4096684593 4248413652 4558282857 4727108148 5096662722 5285428008 5462246124 5946106509 6077710476 6372620478 6795550296 7090662222 7928142012 7991063774 8193369186 8496827304 9116565714 9454216296 9558930717 10193325444 10635993333 10924492248 11892213018 11986595661 12155420952 12745240956 14181324444 15856284024 15982127548 16386738372 17838319527 18233131428 19117861434 20386650888 21271986666 23784426036 23973191322 25490481912 27968723209 28362648888 28676792151 31907979999 31964255096 32773476744 35676639054 35959786983 36466262856 38235722868 42543973332 47568852072 47946382644 55937446418 57353584302 63815959998 71353278108 71919573966 76471445736 83906169627 85087946664 95892765288 107879360949 111874892836 114707168604 127631919996 142706556216 143839147932 167812339254 215758721898 223749785672 229414337208 251718508881 255263839992 287678295864 323638082847 335624678508 431517443796 503437017762 647276165694 671249357016 755155526643 863034887592 1006874035524 1294552331388 1510311053286 2013748071048 2265466579929 2589104662776 3020622106572 4530933159858 6041244213144 9061866319716 18123732639432
• Sum of all divisors σ(n): 60067308026880
• Sum of proper divisors (its aliquot sum) s(n): 41943575387448
• 18123732639432 is an abundant number, because the sum of its proper divisors (41943575387448) is greater than itself. Its abundance is 23819842748016

Bases of 18123732639432

• Binary: 100000111101111000010101001010101111011001000₂
• Hexadecimal: 0x107BC2A55EC8
• Base-36: 6F9XEH0I0

Squares and roots of 18123732639432

• 18123732639432 squared (18123732639432²) is 328469684785612809321282624
• 18123732639432 cubed (18123732639432³) is 5953096747212951493739998063559158829568
• The square root of 18123732639432 is 4257197.7449294037
• The cube root of 18123732639432 is 26267.3271008273

Scales and comparisons

• 18,123,732,639,432 seconds is equal to 576,278 years, 33 weeks, 1 day, 1 hour, 37 minutes, 12 seconds.
• To count from 1 to 18,123,732,639,432 would take you about one million, four hundred forty thousand, six hundred ninety-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 18123732639432 cubic inches would be around 2188.9 feet tall.

Recreational maths with 18123732639432

• 18123732639432 backwards is 23493623732181
• 18123732639432 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18123732639432's digits is 54
• More coming soon!