18386867655016448

Names of 18386867655016448

• Cardinal: 18386867655016448 can be written as Eighteen quadrillion, three hundred eighty-six trillion, eight hundred sixty-seven billion, six hundred fifty-five million, sixteen thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8386867655016448 × 10¹⁶

Factors of 18386867655016448

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 32

Divisors of 18386867655016448

• Number of divisors d(n): 684
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 56 64 92 98 112 128 161 184 196 224 256 322 343 368 392 448 512 529 644 686 736 784 896 1024 1058 1127 1288 1372 1472 1568 1792 2048 2116 2254 2401 2576 2744 2944 3136 3584 3703 4096 4232 4508 4802 5152 5488 5888 6272 7168 7406 7889 8192 8464 9016 9604 10304 10976 11776 12167 12544 14336 14812 15778 16384 16807 16928 18032 19208 20608 21952 23552 24334 25088 25921 28672 29624 31556 32768 33614 33856 36064 38416 41216 43904 47104 48668 50176 51842 55223 57344 59248 63112 65536 67228 67712 72128 76832 82432 85169 87808 94208 97336 100352 103684 110446 114688 117649 118496 126224 131072 134456 135424 144256 153664 164864 170338 175616 181447 188416 194672 200704 207368 220892 229376 235298 236992 252448 262144 268912 270848 288512 307328 329728 340676 351232 362894 376832 386561 389344 401408 414736 441784 458752 470596 473984 504896 537824 541696 577024 596183 614656 659456 681352 702464 725788 753664 773122 778688 802816 823543 829472 883568 917504 941192 947968 1009792 1075648 1083392 1154048 1192366 1229312 1270129 1318912 1362704 1404928 1451576 1507328 1546244 1557376 1605632 1647086 1658944 1767136 1835008 1882384 1895936 2019584 2151296 2166784 2308096 2384732 2458624 2540258 2637824 2705927 2725408 2809856 2903152 3014656 3092488 3114752 3211264 3294172 3317888 3534272 3764768 3791872 4039168 4173281 4302592 4333568 4616192 4769464 4917248 5080516 5275648 5411854 5450816 5619712 5764801 5806304 6029312 6184976 6229504 6422528 6588344 6635776 7068544 7529536 7583744 8078336 8346562 8605184 8667136 8890903 9232384 9538928 9834496 10161032 10551296 10823708 10901632 11239424 11529602 11612608 12369952 12459008 12845056 13176688 13271552 14137088 15059072 15167488 16156672 16693124 17210368 17334272 17781806 18464768 18941489 19077856 19668992 20322064 21102592 21647416 21803264 22478848 23059204 23225216 24739904 24918016 26353376 26543104 28274176 29212967 30118144 30334976 32313344 33386248 34420736 34668544 35563612 36929536 37882978 38155712 39337984 40644128 42205184 43294832 43606528 44957696 46118408 46450432 49479808 49836032 52706752 53086208 56548352 58425934 60236288 60669952 62236321 64626688 66772496 68841472 69337088 71127224 73859072 75765956 76311424 78675968 81288256 86589664 87213056 89915392 92236816 92900864 98959616 99672064 105413504 106172416 113096704 116851868 120472576 121339904 124472642 129253376 132590423 133544992 137682944 138674176 142254448 147718144 151531912 152622848 157351936 162576512 173179328 174426112 184473632 185801728 197919232 199344128 204490769 210827008 212344832 226193408 233703736 240945152 242679808 248945284 258506752 265180846 267089984 275365888 284508896 295436288 303063824 305245696 314703872 325153024 346358656 348852224 368947264 371603456 395838464 398688256 408981538 421654016 424689664 435654247 452386816 467407472 481890304 485359616 497890568 517013504 530361692 534179968 550731776 569017792 606127648 610491392 629407744 650306048 692717312 697704448 737894528 743206912 791676928 797376512 817963076 843308032 849379328 871308494 904773632 934814944 963780608 970719232 995781136 1034027008 1060723384 1068359936 1101463552 1138035584 1212255296 1220982784 1300612096 1385434624 1395408896 1431435383 1475789056 1486413824 1583353856 1594753024 1635926152 1686616064 1698758656 1742616988 1809547264 1869629888 1927561216 1991562272 2068054016 2121446768 2136719872 2202927104 2276071168 2424510592 2441965568 2601224192 2770869248 2790817792 2862870766 2951578112 2972827648 3049579729 3166707712 3189506048 3271852304 3373232128 3397517312 3485233976 3619094528 3739259776 3855122432 3983124544 4242893536 4273439744 4405854208 4552142336 4849021184 4883931136 5202448384 5541738496 5581635584 5725741532 5903156224 5945655296 6099159458 6333415424 6543704608 6746464256 6795034624 6970467952 7238189056 7478519552 7710244864 7966249088 8485787072 8546879488 9104284672 9698042368 9767862272 10020047681 10404896768 11083476992 11163271168 11451483064 11806312448 11891310592 12198318916 12666830848 13087409216 13492928512 13940935904 14476378112 14957039104 15420489728 15932498176 16971574144 17093758976 18208569344 19396084736 19535724544 20040095362 20809793536 22166953984 22326542336 22902966128 23612624896 23782621184 24396637832 25333661696 26174818432 26985857024 27881871808 29914078208 30840979456 31864996352 33943148288 34187517952 36417138688 38792169472 39071449088 40080190724 41619587072 44333907968 45805932256 47225249792 47565242368 48793275664 50667323392 52349636864 53971714048 55763743616 59828156416 63729992704 67886296576 68375035904 70140333767 72834277376 77584338944 78142898176 80160381448 83239174144 88667815936 91611864512 94450499584 97586551328 101334646784 104699273728 107943428096 111527487232 119656312832 127459985408 135772593152 136750071808 140280667534 145668554752 155168677888 156285796352 160320762896 166478348288 177335631872 183223729024 188900999168 195173102656 209398547456 215886856192 223054974464 239312625664 254919970816 271545186304 273500143616 280561335068 291337109504 310337355776 320641525792 332956696576 354671263744 366447458048 377801998336 390346205312 418797094912 446109948928 478625251328 509839941632 543090372608 547000287232 561122670136 582674219008 620674711552 641283051584 709342527488 732894916096 755603996672 780692410624 837594189824 892219897856 957250502656 1019679883264 1086180745216 1094000574464 1122245340272 1165348438016 1241349423104 1282566103168 1465789832192 1511207993344 1561384821248 1675188379648 1784439795712 1914501005312 2039359766528 2172361490432 2244490680544 2330696876032 2482698846208 2565132206336 2931579664384 3122769642496 3350376759296 3568879591424 3829002010624 4078719533056 4344722980864 4488981361088 4965397692416 5130264412672 5863159328768 6245539284992 6700753518592 7137759182848 7658004021248 8157439066112 8689445961728 8977962722176 10260528825344 11726318657536 12491078569984 13401507037184 14275518365696 16314878132224 17378891923456 17955925444352 20521057650688 23452637315072 24982157139968 26803014074368 28551036731392 34757783846912 35911850888704 41042115301376 46905274630144 49964314279936 53606028148736 57102073462784 71823701777408 82084230602752 93810549260288 99928628559872 114204146925568 143647403554816 164168461205504 187621098520576 199857257119744 287294807109632 328336922411008 375242197041152 399714514239488 574589614219264 656673844822016 799429028478976 1149179228438528 1313347689644032 2298358456877056 2626695379288064 4596716913754112 9193433827508224 18386867655016448
• Sum of all divisors σ(n): 44852566581314640
• Sum of proper divisors (its aliquot sum) s(n): 26465698926298192
• 18386867655016448 is an abundant number, because the sum of its proper divisors (26465698926298192) is greater than itself. Its abundance is 8078831271281744

Bases of 18386867655016448

• Binary: 1000001010100101100001000111011000111000000000000000000₂
• Hexadecimal: 0x4152C23B1C0000
• Base-36: 511LME2XX4W

Squares and roots of 18386867655016448

• 18386867655016448 squared (18386867655016448²) is 338076902163090053423379150536704
• 18386867655016448 cubed (18386867655016448³) is 6216175257290680727029330629003406408177147707392
• The square root of 18386867655016448 is 135598184.5564919353
• The cube root of 18386867655016448 is 263938.4022525369

Scales and comparisons

• 18,386,867,655,016,448 seconds is equal to 584,645,517 years, 5 weeks, 6 days, 8 hours, 34 minutes, 8 seconds.
• To count from 1 to 18,386,867,655,016,448 would take you about one billion, seven hundred fifty-three million, nine hundred thirty-six thousand, five hundred fifty-one 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 18386867655016448 cubic inches would be around 21994.9 feet tall.

Recreational maths with 18386867655016448

• 18386867655016448 backwards is 84461055676868381
• The number of decimal digits it has is: 17
• The sum of 18386867655016448's digits is 86
• More coming soon!