18643939648888832

Names of 18643939648888832

• Cardinal: 18643939648888832 can be written as Eighteen quadrillion, six hundred forty-three trillion, nine hundred thirty-nine billion, six hundred forty-eight million, eight hundred eighty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.8643939648888832 × 10¹⁶

Factors of 18643939648888832

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 2439

Divisors of 18643939648888832

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 8 16 31 32 41 43 62 64 82 86 124 128 164 172 248 256 328 344 496 512 656 688 961 992 1024 1093 1229 1271 1312 1333 1376 1763 1922 1984 2048 2186 2458 2542 2624 2666 2752 3526 3844 3968 4096 4372 4916 5084 5248 5332 5504 7052 7688 7936 8192 8744 9832 10168 10496 10664 11008 14104 15376 15872 17488 19664 20336 20992 21328 22016 28208 30752 31744 33883 34976 38099 39328 39401 40672 41323 41984 42656 44032 44813 46999 50389 52847 54653 56416 61504 63488 67766 69952 76198 78656 78802 81344 82646 83968 85312 88064 89626 93998 100778 105694 109306 112832 123008 126976 135532 139904 152396 157312 157604 162688 165292 167936 170624 176128 179252 187996 201556 211388 218612 225664 246016 253952 271064 279808 304792 314624 315208 325376 330584 335872 341248 352256 358504 375992 403112 422776 437224 451328 492032 542128 559616 609584 629248 630416 650752 661168 682496 717008 751984 806224 845552 874448 902656 984064 1050373 1084256 1119232 1181069 1219168 1258496 1260832 1301504 1322336 1343297 1364992 1389203 1434016 1456969 1503968 1562059 1612448 1638257 1691104 1694243 1748896 1805312 1926959 1968128 2100746 2166727 2168512 2238464 2362138 2438336 2516992 2521664 2603008 2644672 2686594 2729984 2778406 2868032 2913938 3007936 3124118 3224896 3276514 3382208 3388486 3497792 3610624 3853918 3936256 4201492 4333454 4337024 4476928 4724276 4876672 5033984 5043328 5206016 5289344 5373188 5459968 5556812 5736064 5827876 6015872 6248236 6449792 6553028 6764416 6776972 6995584 7221248 7707836 7872512 8402984 8666908 8674048 8953856 9448552 9753344 10067968 10086656 10412032 10578688 10746376 10919936 11113624 11472128 11655752 12031744 12496472 12899584 13106056 13528832 13553944 13991168 14442496 15415672 16805968 17333816 17348096 18897104 19506688 20173312 21157376 21492752 22227248 22944256 23311504 24063488 24992944 25799168 26212112 27057664 27107888 27982336 30831344 33611936 34667632 34696192 37794208 39013376 40346624 41642207 42314752 42985504 43065293 44454496 45166039 45888512 46623008 48126976 48423829 49985888 50785967 51598336 52424224 54115328 54215776 55075177 55964672 57761771 59735729 61662688 67168537 67223872 69335264 69392384 75588416 78026752 80693248 83284414 84629504 85971008 86130586 88908992 90332078 91777024 93246016 96253952 96847658 99971776 101571934 103196672 104848448 108230656 108431552 110150354 111929344 115523542 119471458 123325376 134337074 134447744 138670528 138784768 151176832 156053504 161386496 166568828 169259008 171942016 172261172 177817984 180664156 183554048 186492032 192507904 193695316 199943552 203143868 206393344 209696896 216461312 216863104 220300708 223858688 231047084 238942916 246650752 268674148 268895488 277341056 277569536 302353664 312107008 322772992 333137656 338518016 343884032 344522344 355635968 361328312 367108096 372984064 385015808 387390632 399887104 406287736 412786688 419393792 432922624 433726208 440601416 447717376 462094168 477885832 493301504 537348296 537790976 554682112 604707328 666275312 687768064 689044688 711271936 722656624 745968128 774781264 799774208 812575472 838787584 867452416 881202832 924188336 955771664 986603008 1074696592 1075581952 1109364224 1209414656 1290908417 1332550624 1375536128 1378089376 1422543872 1445313248 1491936256 1549562528 1599548416 1625150944 1677575168 1707330487 1734904832 1762405664 1790614901 1848376672 1851807599 1911543328 1973206016 2082224647 2149393184 2151163904 2218728448 2368232611 2418829312 2581816834 2665101248 2751072256 2756178752 2845087744 2890626496 2983872512 3099125056 3199096832 3250301888 3355150336 3414660974 3469809664 3524811328 3581229802 3696753344 3703615198 3823086656 3946412032 4164449294 4298786368 4302327808 4437456896 4736465222 4837658624 5163633668 5330202496 5502144512 5512357504 5690175488 5781252992 5967745024 6198250112 6398193664 6500603776 6710300672 6829321948 6939619328 7049622656 7162459604 7393506688 7407230396 7646173312 7892824064 8328898588 8597572736 8604655616 8874913792 9472930444 9675317248 10327267336 10660404992 11004289024 11024715008 11380350976 11562505984 11935490048 12396500224 12796387328 13001207552 13420601344 13658643896 13879238656 14099245312 14324919208 14787013376 14814460792 15292346624 15785648128 16657797176 17195145472 17749827584 18945860888 20654534672 21320809984 22049430016 23125011968 24793000448 26002415104 27317287792 28198490624 28649838416 29574026752 29628921584 30584693248 33315594352 34390290944 37891721776 41309069344 42641619968 44098860032 46250023936 49586000896 52004830208 52927245097 54634575584 55509061931 56396981248 57299676832 59148053504 59257843168 61169386496 66631188704 68780581888 73415210941 75783443552 82618138688 85283239936 88197720064 92500047872 99172001792 104009660416 105854490194 109269151168 111018123862 112793962496 114599353664 118296107008 118515686336 122338772992 133262377408 137561163776 146830421882 151566887104 165236277376 170566479872 176395440128 185000095744 198344003584 208019320832 211708980388 218538302336 222036247724 225587924992 229198707328 236592214016 237031372672 244677545984 266524754816 275122327552 293660843764 303133774208 330472554752 341132959744 352790880256 370000191488 396688007168 416038641664 423417960776 437076604672 444072495448 451175849984 458397414656 473184428032 474062745344 489355091968 533049509632 550244655104 587321687528 606267548416 660945109504 846835921552 874153209344 888144990896 916794829312 948125490688 1066099019264 1174643375056 1212535096832 1321890219008 1693671843104 1748306418688 1776289981792 1833589658624 1896250981376 2132198038528 2275871539171 2349286750112 2425070193664 2643780438016 3387343686208 3496612837376 3552579963584 3667179317248 3792501962752 4264396077056 4551743078342 4698573500224 4850140387328 5287560876032 6774687372416 6993225674752 7105159927168 7334358634496 7585003925504 8528792154112 9103486156684 9397147000448 9700280774656 10575121752064 13549374744832 13986451349504 14210319854336 14668717268992 15170007851008 17057584308224 18206972313368 18794294000896 19400561549312 27098749489664 28420639708672 36413944626736 37588588001792 54197498979328 56841279417344 72827889253472 75177176003584 108394997958656 113682558834688 145655778506944 150354352007168 216789995917312 227365117669376 291311557013888 300708704014336 433579991834624 454730235338752 582623114027776 601417408028672 1165246228055552 2330492456111104 4660984912222208 9321969824444416 18643939648888832
• Sum of all divisors σ(n): 40454522562817440
• Sum of proper divisors (its aliquot sum) s(n): 21810582913928608
• 18643939648888832 is an abundant number, because the sum of its proper divisors (21810582913928608) is greater than itself. Its abundance is 3166643265039776

Bases of 18643939648888832

• Binary: 1000010001111001001000001110111111111000110000000000000₂
• Hexadecimal: 0x423C9077FC6000
• Base-36: 53KQ3MUOWE8

Squares and roots of 18643939648888832

• 18643939648888832 squared (18643939648888832²) is 347596485631409024235212294324224
• 18643939648888832 cubed (18643939648888832³) is 6480567900277843900560603917677477414421940666368
• The square root of 18643939648888832 is 136542812.5127384063
• The cube root of 18643939648888832 is 265162.7795387157

Scales and comparisons

• 18,643,939,648,888,832 seconds is equal to 592,819,611 years, 17 weeks, 5 days, 19 hours, 20 minutes, 32 seconds.
• To count from 1 to 18,643,939,648,888,832 would take you about one billion, seven hundred seventy-eight million, four hundred fifty-eight thousand, eight hundred thirty-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 18643939648888832 cubic inches would be around 22096.9 feet tall.

Recreational maths with 18643939648888832

• 18643939648888832 backwards is 23888884693934681
• The number of decimal digits it has is: 17
• The sum of 18643939648888832's digits is 98
• More coming soon!