18378452439872

Names of 18378452439872

• Cardinal: 18378452439872 can be written as Eighteen trillion, three hundred seventy-eight billion, four hundred fifty-two million, four hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8378452439872 × 10¹³

Factors of 18378452439872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3324

Divisors of 18378452439872

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 47 56 62 64 73 94 112 124 127 146 188 217 224 248 254 292 329 376 434 448 496 508 511 584 658 752 868 889 992 1016 1022 1168 1316 1457 1504 1736 1778 1984 2032 2044 2263 2336 2632 2914 3008 3037 3431 3472 3556 3937 4064 4088 4526 4672 5264 5828 5969 6074 6862 6944 7112 7874 8128 8176 9052 9271 10199 10528 11656 11938 12148 13724 13888 14224 15748 15841 16352 18104 18542 20398 21056 21259 23312 23876 24017 24296 27448 27559 28448 31496 31682 32704 36208 37084 40796 41783 42518 46624 47752 48034 48592 54896 55118 56896 62992 63364 64897 72416 74168 81592 83566 85036 93248 94147 95504 96068 97184 106361 109792 110236 125984 126728 129794 142739 144832 148336 163184 167132 170072 185039 188294 191008 192136 194368 212722 219584 220472 221701 251968 253456 259588 285478 287401 296672 326368 334264 340144 370078 376588 382016 384272 385699 425444 435737 440944 443402 506912 519176 570956 574802 593344 652736 659029 668528 680288 740156 744527 753176 768544 771398 850888 871474 881888 886804 999173 1013824 1038352 1141912 1149604 1295273 1318058 1337056 1360576 1480312 1489054 1506352 1537088 1542796 1551907 1701776 1742948 1763776 1773608 1998346 2011807 2076704 2283824 2299208 2590546 2636116 2674112 2699893 2960624 2978108 3012704 3050159 3085592 3103814 3403552 3485896 3547216 3996692 4023614 4153408 4424909 4567648 4598416 5181092 5272232 5399786 5921248 5956216 6025408 6100318 6171184 6207628 6807104 6872731 6971792 7094432 7993384 8047228 8849818 9135296 9196832 10362184 10419947 10544464 10799572 11842496 11912432 11956669 12200636 12342368 12415256 13507847 13745462 13943584 14188864 15986768 16094456 17699636 18127853 18393664 20724368 20839894 21088928 21599144 23824864 23913338 24401272 24684736 24830512 27015694 27490924 27887168 28156027 30974363 31973536 32188912 35399272 36255706 41448736 41679788 42177856 43198288 47649728 47826676 48109117 48802544 49661024 54031388 54981848 56312054 61948726 63947072 64377824 70798544 72511412 72939629 82897472 83359576 83696683 86396576 94554929 95653352 96218234 97605088 99322048 108062776 109963696 112624108 123897452 126894971 128755648 141597088 145022824 145879258 166719152 167393366 172793152 189109858 191306704 192436468 195210176 197092189 216125552 219927392 225248216 247794904 253789942 283194176 290045648 291758516 323018357 333438304 334786732 378219716 382613408 384872936 394184378 432251104 439854784 450496432 495589808 507579884 561963443 580091296 583517032 646036714 666876608 669573464 756439432 765226816 769745872 788368756 864502208 872836837 900992864 991179616 1015159768 1123926886 1160182592 1167034064 1292073428 1323333269 1339146928 1512878864 1539491744 1576737512 1745673674 1801985728 1982359232 2030319536 2247853772 2261128499 2334068128 2584146856 2646666538 2678293856 3025757728 3078983488 3153475024 3491347348 3933744101 4060639072 4495707544 4522256998 4668136256 5168293712 5293333076 5356587712 6051515456 6109857859 6306950048 6982694696 7867488202 8121278144 8991415088 9044513996 9263332883 10336587424 10586666152 12219715718 12613900096 13965389392 15734976404 17982830176 18089027992 18526665766 20673174848 21173332304 24439431436 27930778784 31469952808 35965660352 36178055984 37053331532 41023331339 42346664608 48878862872 55861557568 62939905616 72356111968 74106663064 82046662678 84693329216 97757725744 125879811232 144712223936 148213326128 164093325356 195515451488 251759622464 287163319373 296426652256 328186650712 391030902976 574326638746 592853304512 656373301424 1148653277492 1312746602848 2297306554984 2625493205696 4594613109968 9189226219936 18378452439872
• Sum of all divisors σ(n): 44907035099136
• Sum of proper divisors (its aliquot sum) s(n): 26528582659264
• 18378452439872 is an abundant number, because the sum of its proper divisors (26528582659264) is greater than itself. Its abundance is 8150130219392

Bases of 18378452439872

• Binary: 100001011011100010001001000010001001101000000₂
• Hexadecimal: 0x10B711211340
• Base-36: 6IIY02CE8

Squares and roots of 18378452439872

• 18378452439872 squared (18378452439872²) is 337767514084637069775376384
• 18378452439872 cubed (18378452439872³) is 6207644193338298279724882811511928782848
• The square root of 18378452439872 is 4287009.7317211679
• The cube root of 18378452439872 is 26389.8130079031

Scales and comparisons

• 18,378,452,439,872 seconds is equal to 584,377 years, 48 weeks, 5 days, 21 hours, 44 minutes, 32 seconds.
• To count from 1 to 18,378,452,439,872 would take you about one million, four hundred sixty thousand, nine hundred forty-four 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 18378452439872 cubic inches would be around 2199.2 feet tall.

Recreational maths with 18378452439872

• 18378452439872 backwards is 27893425487381
• The number of decimal digits it has is: 14
• The sum of 18378452439872's digits is 71
• More coming soon!