18168142557172608

Names of 18168142557172608

• Cardinal: 18168142557172608 can be written as Eighteen quadrillion, one hundred sixty-eight trillion, one hundred forty-two billion, five hundred fifty-seven million, one hundred seventy-two thousand, six hundred eight.

Scientific notation

• Scientific notation: 1.8168142557172608 × 10¹⁶

Factors of 18168142557172608

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 425816340

Divisors of 18168142557172608

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 16 18 21 22 24 26 28 32 33 36 37 39 42 44 48 52 56 63 64 66 72 74 77 78 84 88 91 96 99 104 111 112 117 126 128 132 143 144 148 154 156 168 176 182 192 198 208 222 224 231 234 252 259 264 273 286 288 296 308 312 333 336 352 364 384 396 407 416 429 444 448 462 468 481 504 518 528 546 572 576 592 616 624 666 672 693 704 728 777 792 814 819 832 858 888 896 924 936 962 1001 1008 1036 1056 1092 1144 1152 1184 1221 1232 1248 1287 1332 1344 1386 1408 1443 1456 1554 1584 1628 1638 1664 1716 1776 1848 1872 1924 2002 2016 2072 2112 2184 2288 2331 2368 2442 2464 2496 2574 2664 2688 2772 2849 2886 2912 3003 3108 3168 3256 3276 3367 3432 3552 3663 3696 3744 3848 4004 4032 4144 4224 4329 4368 4576 4662 4736 4884 4928 4992 5148 5291 5328 5544 5698 5772 5824 6006 6216 6336 6512 6552 6734 6864 7104 7326 7392 7488 7696 8008 8064 8288 8547 8658 8736 9009 9152 9324 9768 9856 10101 10296 10582 10656 11088 11396 11544 11648 12012 12432 12672 13024 13104 13468 13728 14208 14652 14784 14976 15392 15873 16016 16576 17094 17316 17472 18018 18304 18648 19536 20202 20592 21164 21312 22176 22792 23088 24024 24864 25641 26048 26208 26936 27456 29304 29568 30303 30784 31746 32032 33152 34188 34632 34944 36036 37037 37296 39072 40404 41184 42328 42624 44352 45584 46176 47619 48048 49728 51282 52096 52416 53872 54912 58608 60606 61568 63492 64064 68376 69264 72072 74074 74592 78144 80808 82368 84656 88704 91168 92352 95238 96096 99456 102564 104832 107744 111111 117216 121212 126984 128128 136752 138528 144144 148148 149184 156288 161616 164736 169312 182336 184704 190476 192192 205128 215488 222222 234432 242424 253968 273504 277056 288288 296296 298368 323232 333333 338624 364672 380952 384384 410256 430976 444444 468864 484848 507936 547008 554112 576576 592592 646464 666666 677248 761904 820512 888888 969696 1015872 1094016 1153152 1185184 1292928 1333332 1523808 1641024 1777776 1939392 2031744 2370368 2666664 3047616 3282048 3555552 3878784 4740736 5333328 6095232 7111104 10666656 14222208 21333312 42666624 425816267 851632534 1277448801 1703265068 2554897602 2980713869 3406530136 3832346403 4683978937 5109795204 5535611471 5961427738 6813060272 7664692806 8942141607 9367957874 10219590408 11071222942 11922855476 13626120544 14051936811 15329385612 15755201879 16606834413 17884283214 18735915748 20439180816 22142445884 23845710952 26826424821 27252241088 28103873622 30658771224 31510403758 32787852559 33213668826 35768566428 37471831496 38749280297 40878361632 42155810433 44284891768 47265605637 47691421904 49820503239 53652849642 54504482176 56207747244 60891726181 61317542448 63020807516 65575705118 66427337652 71537132856 74943662992 77498560594 81756723264 84311620866 88569783536 94531211274 95382843808 98363557677 99641006478 107305699284 110286413153 112415494488 116247840891 121783452362 122635084896 126041615032 131151410236 132854675304 141796816911 143074265712 149887325984 154997121188 163513446528 168623241732 173307220669 177139567072 182675178543 189062422548 190765687616 196727115354 199282012956 204817624427 214611398568 220572826306 224830988976 232495681782 243566904724 245270169792 252083230064 262302820472 265709350608 283593633822 286148531424 295090673031 299774651968 309994242376 330859239459 337246483464 346614441338 348743522673 354279134144 365350357086 378124845096 381531375232 393454230708 398564025912 409635248854 426242083267 429222797136 441145652612 449661977952 464991363564 487133809448 490540339584 504166460128 519921662007 524605640944 531418701216 548025535629 567187267644 572297062848 590181346062 599549303936 614452873281 619988484752 661718478918 674492966928 693228882676 697487045346 708558268288 730700714172 756249690192 786908461416 797128051824 819270497708 852484166534 858445594272 882291305224 899323955904 929982727128 974267618896 992577718377 1008332920256 1039843324014 1049211281888 1062837402432 1096051071258 1134374535288 1144594125696 1180362692124 1213150544683 1228905746562 1239976969504 1278726249801 1323436957836 1348985933856 1386457765352 1394974090692 1433723370989 1461401428344 1512499380384 1559764986021 1573816922832 1594256103648 1638540995416 1704968333068 1716891188544 1764582610448 1798647911808 1843358619843 1859965454256 1948535237792 1985155436754 2016665840512 2079686648028 2098422563776 2125674804864 2192102142516 2252993868697 2268749070576 2360725384248 2426301089366 2457811493124 2479953939008 2557452499602 2646873915672 2697971867712 2772915530704 2789948181384 2867446741978 2922802856688 3024998760768 3119529972042 3147633845664 3188512207296 3277081990832 3409936666136 3433782377088 3529165220896 3639451634049 3686717239686 3719930908512 3836178749403 3897070475584 3970310873508 4159373296056 4196845127552 4301170112967 4384204285032 4505987737394 4537498141152 4721450768496 4852602178732 4915622986248 4959907878016 5114904999204 5293747831344 5395943735424 5545831061408 5579896362768 5734893483956 5845605713376 6049997521536 6239059944084 6295267691328 6377024414592 6554163981664 6758981606091 6819873332272 7058330441792 7278903268098 7373434479372 7439861817024 7672357498806 7794140951168 7940621747016 8318746592112 8602340225934 8768408570064 9011975474788 9074996282304 9442901536992 9705204357464 9831245972496 10229809998408 10587495662688 10918354902147 11091662122816 11159792725536 11469786967912 11691211426752 12478119888168 12590535382656 12903510338901 13108327963328 13517963212182 13639746664544 14116660883584 14557806536196 14746868958744 14879723634048 15344714997612 15770957080879 15881243494032 16637493184224 17204680451868 17536817140128 18023950949576 18149992564608 18885803073984 19410408714928 19662491944992 20276944818273 20459619996816 21174991325376 21836709804294 22183324245632 22319585451072 22939573935824 23382422853504 24956239776336 25807020677802 26216655926656 27035926424364 27279493329088 29115613072392 29493737917488 30689429995224 31541914161758 31762486988064 33274986368448 34409360903736 35073634280256 36047901899152 37771606147968 38820817429856 39324983889984 40553889636546 40919239993632 42349982650752 43673419608588 44639170902144 45879147871648 47312871242637 49912479552672 51614041355604 54071852848728 54558986658176 58231226144784 58987475834976 61378859990448 63083828323516 63524973976128 66549972736896 68818721807472 70147268560512 72095803798304 77641634859712 78649967779968 81107779273092 81838479987264 87346839217176 91758295743296 94625742485274 99824959105344 103228082711208 108143705697456 116462452289568 117974951669952 122757719980896 126167656647032 127049947952256 137637443614944 141938613727911 144191607596608 155283269719424 162215558546184 163676959974528 174693678434352 183516591486592 189251484970548 199649918210688 206456165422416 216287411394912 232924904579136 235949903339904 245515439961792 252335313294064 275274887229888 283877227455822 288383215193216 324431117092368 349387356868704 378502969941096 412912330844832 432574822789824 465849809158272 491030879923584 504670626588128 550549774459776 567754454911644 648862234184736 698774713737408 757005939882192 825824661689664 865149645579648 1009341253176256 1135508909823288 1297724468369472 1397549427474816 1514011879764384 1651649323379328 2018682506352512 2271017819646576 2595448936738944 3028023759528768 4542035639293152 6056047519057536 9084071278586304 18168142557172608
• Sum of all divisors σ(n): 72092261176266240
• Sum of proper divisors (its aliquot sum) s(n): 53924118619093632
• 18168142557172608 is an abundant number, because the sum of its proper divisors (53924118619093632) is greater than itself. Its abundance is 35755976061921024

Bases of 18168142557172608

• Binary: 1000000100010111101010001010011010110010101001110000000₂
• Hexadecimal: 0x408BD453595380
• Base-36: 4YW2HGV00W0

Squares and roots of 18168142557172608

• 18168142557172608 squared (18168142557172608²) is 330081403977746431749987105521664
• 18168142557172608 cubed (18168142557172608³) is 5996966002939378718609627572120895178164731379712
• The square root of 18168142557172608 is 134789252.3800492337
• The cube root of 18168142557172608 is 262887.6452291963

Scales and comparisons

• 18,168,142,557,172,608 seconds is equal to 577,690,735 years, 29 weeks, 2 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 18,168,142,557,172,608 would take you about one billion, seven hundred thirty-three million, seventy-two thousand, two hundred 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 18168142557172608 cubic inches would be around 21907.3 feet tall.

Recreational maths with 18168142557172608

• 18168142557172608 backwards is 80627175524186181
• 18168142557172608 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18168142557172608's digits is 72
• More coming soon!