18681524121312

Names of 18681524121312

• Cardinal: 18681524121312 can be written as Eighteen trillion, six hundred eighty-one billion, five hundred twenty-four million, one hundred twenty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8681524121312 × 10¹³

Factors of 18681524121312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 187

Divisors of 18681524121312

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 57 61 72 76 78 89 96 104 114 117 122 144 152 156 169 171 178 183 208 228 234 244 247 267 288 304 312 338 342 356 366 416 456 468 488 494 507 534 549 608 624 676 684 712 732 741 793 801 912 936 976 988 1014 1068 1098 1157 1159 1248 1352 1368 1424 1464 1482 1521 1586 1602 1691 1824 1872 1952 1976 2028 2136 2196 2223 2314 2318 2379 2704 2736 2848 2928 2964 3042 3172 3204 3211 3382 3471 3477 3721 3744 3952 4056 4272 4392 4446 4628 4636 4758 5073 5408 5429 5472 5856 5928 6084 6344 6408 6422 6764 6942 6954 7137 7442 7904 8112 8544 8784 8892 9256 9272 9516 9633 10146 10309 10413 10431 10858 11163 11856 12168 12688 12816 12844 13528 13884 13908 14274 14884 15041 15067 15219 16224 16287 17568 17784 18512 18544 19032 19266 20292 20618 20826 20862 21716 21983 22326 23712 24336 25376 25632 25688 27056 27768 27816 28548 28899 29768 30082 30134 30438 30927 32574 33489 35568 37024 37088 38064 38532 40584 41236 41652 41724 43432 43966 44652 45123 45201 48373 48672 48861 51376 54112 55536 55632 57096 57798 59536 60164 60268 60876 61854 65148 65949 66978 70577 70699 71136 76128 77064 81168 82472 83304 83448 86864 87932 89304 90246 90402 92781 96746 97722 102752 103151 111072 111264 114192 115596 119072 120328 120536 121752 123708 130296 131898 133956 135369 135603 141154 141398 145119 154128 162336 164944 166608 166896 173728 175864 178608 180492 180804 185562 193492 195444 195871 197847 206302 211731 212097 226981 228384 231192 240656 241072 243504 247416 260592 263796 267912 270738 271206 282308 282796 285779 290238 308256 309453 329888 331169 333216 333792 351728 357216 360984 361608 371124 386984 390888 391742 395694 412604 423462 424194 435357 453962 462384 481312 482144 487008 494832 521184 527592 535824 541476 542412 564616 565592 571558 580476 587613 618906 628849 635193 636291 662338 680943 703456 721968 723216 742248 773968 781776 783484 791388 825208 846924 848388 857337 870714 907924 917501 919087 924768 928359 989664 993507 1055184 1071648 1082952 1084824 1129232 1131184 1143116 1160952 1175226 1237812 1257698 1270386 1272582 1324676 1340963 1361886 1443936 1446432 1484496 1547936 1563552 1566968 1582776 1650416 1693848 1696776 1714674 1741428 1762839 1815848 1835002 1838174 1856718 1886547 1987014 2042829 2110368 2165904 2169648 2258464 2262368 2286232 2321904 2350452 2475624 2515396 2540772 2545164 2572011 2649352 2681926 2723772 2752503 2757261 2950753 2968992 2980521 3133936 3165552 3300832 3387696 3393552 3429348 3482856 3525678 3631696 3670004 3676348 3713436 3773094 3974028 4022889 4085658 4305197 4312639 4331808 4339296 4572464 4643808 4700904 4951248 5030792 5081544 5090328 5144022 5298704 5363852 5447544 5505006 5514522 5659641 5901506 5961042 6267872 6292211 6331104 6775392 6787104 6858696 6965712 7051356 7263392 7340008 7352696 7426872 7546188 7948056 8045778 8171316 8257509 8271783 8610394 8625278 8852259 9144928 9401808 9902496 10061584 10163088 10180656 10288044 10597408 10727704 10895088 11010012 11029044 11319282 11803012 11922084 11948131 12068667 12584422 12915591 12937917 13717392 13931424 14102712 14680016 14705392 14853744 15092376 15896112 16091556 16342632 16515018 16543566 17220788 17250556 17432519 17704518 18803616 18876633 20123168 20201309 20326176 20361312 20576088 21455408 21790176 22020024 22058088 22638564 23606024 23844168 23896262 24137334 25168844 25831182 25875834 26556777 27434784 28205424 29360032 29410784 29707488 30184752 31792224 32183112 32685264 33030036 33087132 34441576 34501112 34865038 35409036 35844393 37753266 38359789 38746773 38813751 40402618 41152176 42910816 44040048 44116176 45277128 47212048 47688336 47792524 48274668 50337688 51662364 51751668 52297557 53113554 55967561 56064307 56410848 56629899 60369504 60603927 64366224 65370528 66060072 66174264 68883152 69002224 69730076 70818072 71688786 75506532 76719578 77493546 77627502 80805236 81798743 82304352 88080096 88232352 90554256 94424096 95376672 95585048 96549336 100675376 103324728 103503336 104595114 106227108 107533179 111935122 112128614 113259798 115079367 121207854 128732448 132120144 132348528 137766304 138004448 139460152 141636144 143377572 151013064 153439156 154987092 155255004 156892671 161610472 163597486 167902683 168192921 181108512 181811781 191170096 193098672 201350752 206649456 207006672 209190228 212454216 215066358 223870244 224257228 226519596 230158734 242415708 245396229 262617017 264240288 264697056 278920304 283272288 286755144 302026128 306878312 309974184 310510008 313785342 323220944 327194972 335805366 336385842 345238101 363623562 382340192 383824871 386197344 413298912 414013344 418380456 424908432 430132716 447740488 448514456 453039192 460317468 484831416 490792458 503708049 504578763 525234034 557840608 573510288 604052256 613756624 619948368 621020016 627570684 646441888 654389944 671610732 672771684 690476202 727247124 728835991 736188687 767649742 787851051 836760912 849816864 860265432 895480976 897028912 906078384 920634936 969662832 981584916 1007416098 1009157526 1050468068 1063383659 1147020576 1151474613 1227513248 1239896736 1242040032 1255141368 1308779888 1343221464 1345543368 1380952404 1454494248 1457671982 1472377374 1535299484 1575702102 1673521824 1720530864 1790961952 1794057824 1812156768 1841269872 1939325664 1963169832 2014832196 2018315052 2100936136 2126767318 2186507973 2302949226 2363553153 2510282736 2617559776 2686442928 2691086736 2761904808 2908988496 2915343964 2944754748 3070598968 3151404204 3190150977 3414021221 3441061728 3454423839 3682539744 3926339664 4029664392 4036630104 4201872272 4253534636 4373015946 4605898452 4727106306 4989723323 5020565472 5372885856 5382173472 5523809616 5817976992 5830687928 5889509496 6141197936 6302808408 6380301954 6559523919 6828042442 6908847678 7852679328 8059328784 8073260208 8403744544 8507069272 8746031892 9211796904 9454212612 9570452931 9979446646 10242063663 11047619232 11661375856 11779018992 12282395872 12605616816 12760603908 13119047838 13656084884 13817695356 14969169969 16118657568 16146520416 17014138544 17492063784 18423593808 18908425224 19140905862 19958893292 20484127326 23322751712 23558037984 25211233632 25521207816 26238095676 27312169768 27635390712 29938339938 30726190989 34028277088 34984127568 36847187616 37816850448 38281811724 39917786584 40968254652 44907509907 51042415632 52476191352 54624339536 55270781424 59876679876 61452381978 64866403199 69968255136 75633700896 76563623448 79835573168 81936509304 89815019814 102084831264 104952382704 109248679072 110541562848 119753359752 122904763956 129732806398 153127246896 159671146336 163873018608 179630039628 194599209597 209904765408 239506719504 245809527912 259465612796 306254493792 327746037216 359260079256 389198419194 479013439008 491619055824 518931225592 583797628791 718520158512 778396838388 983238111648 1037862451184 1167595257582 1437040317024 1556793676776 2075724902368 2335190515164 3113587353552 4670381030328 6227174707104 9340762060656 18681524121312
• Sum of all divisors σ(n): 62255188850400
• Sum of proper divisors (its aliquot sum) s(n): 43573664729088
• 18681524121312 is an abundant number, because the sum of its proper divisors (43573664729088) is greater than itself. Its abundance is 24892140607776

Bases of 18681524121312

• Binary: 100001111110110100001100110111110111011100000₂
• Hexadecimal: 0x10FDA19BEEE0
• Base-36: 6ME694AG0

Squares and roots of 18681524121312

• 18681524121312 squared (18681524121312²) is 348999343495162093692601344
• 18681524121312 cubed (18681524121312³) is 6519839653826922895293684540405110243328
• The square root of 18681524121312 is 4322212.8732065013
• The cube root of 18681524121312 is 26534.0841221733

Scales and comparisons

• 18,681,524,121,312 seconds is equal to 594,014 years, 35 weeks, 2 days, 23 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,681,524,121,312 would take you about one million, four hundred eighty-five thousand and thirty-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 18681524121312 cubic inches would be around 2211.2 feet tall.

Recreational maths with 18681524121312

• 18681524121312 backwards is 21312142518681
• The number of decimal digits it has is: 14
• The sum of 18681524121312's digits is 45
• More coming soon!