18138194350394937

Names of 18138194350394937

• Cardinal: 18138194350394937 can be written as Eighteen quadrillion, one hundred thirty-eight trillion, one hundred ninety-four billion, three hundred fifty million, three hundred ninety-four thousand, nine hundred thirty-seven.

Scientific notation

• Scientific notation: 1.8138194350394937 × 10¹⁶

Factors of 18138194350394937

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 137619

Divisors of 18138194350394937

• Number of divisors d(n): 768
• Complete list of divisors:
  1 3 7 13 17 19 21 31 39 49 51 57 67 91 93 103 119 133 147 201 217 221 247 273 309 323 357 399 403 469 527 589 637 651 663 721 741 833 871 931 969 1139 1209 1273 1339 1407 1519 1547 1581 1729 1751 1767 1911 1957 2077 2163 2261 2499 2613 2793 2821 3193 3283 3417 3689 3819 4017 4123 4199 4557 4641 5047 5187 5253 5871 6097 6231 6783 6851 6901 7657 7973 8463 8911 9373 9579 9849 10013 10829 11067 12103 12257 12369 12597 13699 14539 14807 15141 15827 16549 18291 19747 20553 20703 21641 22351 22763 22971 23919 25441 25823 26733 27001 28119 28861 29393 30039 32487 33269 35309 36309 36771 39463 41097 41509 42679 43617 44421 47481 47957 48307 49647 53599 54281 55811 59241 60667 62377 64923 65611 67053 68289 70091 76323 77469 81003 85799 86583 88179 89713 95893 99807 101773 103649 105927 115843 117317 118389 124527 128037 130169 131119 137359 143871 144921 151487 156457 159341 160797 162843 167433 178087 182001 187131 189007 196833 205751 210273 213931 232883 247163 257397 269139 276241 281333 287679 290563 305319 310947 335699 338149 347529 351951 375193 379967 390507 393357 412077 424669 432497 454461 459017 469371 478023 490637 513019 534261 567021 617253 627991 641793 670871 698649 705653 725543 741489 788671 810901 821219 828723 843999 871689 911183 917833 961513 1007097 1014447 1031339 1060409 1115387 1125579 1139901 1246609 1274007 1297491 1323049 1377051 1471911 1497517 1525121 1539057 1630181 1704547 1730141 1785667 1883973 1933687 1969331 2012613 2033941 2116959 2176629 2229023 2335103 2366013 2432703 2463657 2609821 2659769 2733549 2753499 2781103 2884539 2972683 3027479 3094017 3181227 3213119 3346161 3591133 3636827 3739827 3969147 4064689 4258129 4395937 4492551 4575363 4696097 4890543 4939571 5113641 5190423 5357001 5520697 5748533 5801061 5907993 6101823 6378281 6424831 6687069 6730591 7005309 7219373 7829463 7979307 8343309 8721323 8918049 9082437 9203053 9639357 10482619 10675847 10773399 10910481 11931829 12194067 12499669 12774387 13187811 13407407 13785317 14088291 14147977 14818713 15603161 16345721 16562091 17245599 18268747 19134843 19274493 19467721 20191773 21192353 21658119 22491833 25137931 25457789 26163969 27609159 28452823 28977299 29806903 30356339 31447857 32027541 32872679 33927673 34576997 35795487 37499007 38644879 40222221 41355951 42443931 44366957 46809483 47278751 49037163 50535611 52840957 54806241 55355677 58403163 61049261 63577059 64421371 67475499 69099713 72388193 74730929 75413793 76373367 80904451 83522803 85358469 86931897 87497683 89420709 91069017 93851849 98618037 99035839 101783019 103730991 109222127 114420047 115934637 119639689 127881229 133100871 136274047 141836253 151606833 156451901 158522871 166067031 174858007 178204523 183147783 183923701 193264113 199169761 202841093 207299139 208648321 212494373 217164579 224192787 237493711 240515609 242713353 250568409 262493049 268811563 281555547 285294643 297107517 310568699 327666381 330951257 343260141 358919067 369886699 383643687 387489739 408822141 427344827 438587287 450949597 469355703 483697991 506717351 524574021 534613569 551771103 566331157 576770441 597509283 608523279 625944963 637483119 656962943 693250873 712481133 721546827 806434689 837477823 855883929 898296269 931706097 941046509 947914459 992853771 1051757863 1095163307 1109660097 1162469217 1224006049 1282034481 1287465907 1315761861 1352848791 1375375667 1419887651 1451093973 1487460611 1520152053 1662455977 1683609263 1698993471 1730311323 1881680941 1970888829 1997062501 2033874713 2079752619 2173980893 2273154091 2316658799 2512433469 2589206893 2694888807 2712428173 2823139527 2843743377 2972586119 3070111009 3126702917 3155273589 3285489921 3385885937 3494550319 3547021457 3672018147 3708830359 3862397721 3964318099 4037393087 4126127001 4259662953 4462381833 4569796571 4850008931 4987367931 5050827789 5420598217 5645042823 5701634731 5862344761 5991187503 6101624139 6288073883 6521942679 6587325563 6635401213 6819462273 6949976397 7362305041 7455983879 7666143149 7767620679 8137284519 8333158453 8568042343 8917758357 9012261349 9210333027 9380108751 9627629669 10157657811 10483650957 10641064371 11126491077 11785264841 11892954297 12112179261 12322887967 13171766587 13709389713 13979437507 14237122991 14550026793 15912078637 16114545803 16261794651 17104904193 17587034283 17879883671 18010374721 18864221649 19761976689 19906203639 20808102833 21490777063 21886920419 22086915123 22367951637 22998429447 24461852233 24999475359 25704127029 25961812513 27036784047 28261751609 28882889007 29385348229 31988575997 33950062517 35355794523 36968663901 37944187519 38643619547 39515299761 39911443117 41938312521 42711368973 44016517181 46111278941 46447808491 47736235911 48343637409 51536135287 52191887153 53639651013 54031124163 58332109171 59407355423 62424308499 63050116103 64472331189 65660761257 67393407683 70467776821 73385556699 77885437539 84785254827 86260215769 88156044687 92150169689 95965727991 96927790427 99659860937 101850187551 108331059889 111384550459 112801820621 113832562557 115930858641 119734329351 125159185697 126072623047 132049551543 138333836823 139343425473 141663693701 145656719831 153208442933 154608405861 156575661459 171232965631 174996327513 178222066269 181732687591 189150348309 202180223049 205697437603 209489095439 211403330463 223920031979 234134871373 237650437619 258780647307 265609312633 270505336829 276450509067 279380101819 290783371281 298979582811 306176370257 324993179667 334153651377 338405461863 365343210071 375477557091 378217869141 382009526977 408324764197 415851487961 424991081103 436970159493 441350812721 459625328799 493274437747 499550919893 513698896893 545198062773 558321616351 603821510383 617092312809 628467286317 645051187823 671760095937 678494532989 702404614119 712951312857 758317419223 789612744347 796827937899 811516010487 838140305457 876114299879 882508361329 918529110771 991645855907 1096029630213 1146028580931 1197952205957 1224974292591 1247554463883 1324052438163 1439882063221 1466423668073 1479823313241 1498652759679 1638944099611 1674964849053 1811464531149 1841628018113 1893537357803 1935153563469 2035483598967 2143234591799 2274952257669 2368838233041 2628342899637 2647525083987 2674066688839 2910960415727 2974937567721 3089455689047 3452921064229 3496856439251 3593856617871 3908251314457 3980292813341 4319646189663 4399271004219 4515358314761 4749461730923 4916832298833 5308221934561 5524884054339 5680612073409 6429703775397 6494161958609 6941520991349 7258181012563 8022200066517 8385665441699 8732881247181 9268367067141 9491467477967 10264965676511 10358763192687 10490569317753 11472608697277 11724753943371 11940878440023 12891396126791 13546074944283 14248385192769 15002642142593 15924665803683 18718466821873 19482485875827 20824562974047 21774543037689 24477995074757 25156996325097 27357759201199 27862049693387 28474402433901 30794897029533 34417826091831 38674188380373 45007926427779 45459133710263 50807267087941 56155400465619 58699658091893 66440272345769 73433985224271 82073277603597 83586149080161 90239772887537 123389077213571 136377401130789 152421801263823 176098974275679 195034347853709 199320817037307 270719318662611 318213935971841 355650869615587 370167231640713 465081906420383 585103043561127 863723540494997 954641807915523 1066952608846761 1395245719261149 2591170621484991 6046064783464979 18138194350394937
• Sum of all divisors σ(n): 35720530152652800
• Sum of proper divisors (its aliquot sum) s(n): 17582335802257863
• 18138194350394937 is a deficient number, because the sum of its proper divisors (17582335802257863) is less than itself. Its deficiency is 555858548137074

Bases of 18138194350394937

• Binary: 1000000011100001001011101110111000111110100111000111001₂
• Hexadecimal: 0x407097771F4E39
• Base-36: 4YLGBG9XAUX

Squares and roots of 18138194350394937

• 18138194350394937 squared (18138194350394937²) is 328994094292698810624167875233969
• 18138194350394937 cubed (18138194350394937³) is 5967358822413128753732677318191758432016428014953
• The square root of 18138194350394937 is 134678113.8507476165
• The cube root of 18138194350394937 is 262743.1185586753

Scales and comparisons

• 18,138,194,350,394,937 seconds is equal to 576,738,475 years, 11 weeks, 4 days, 10 hours, 8 minutes, 57 seconds.
• To count from 1 to 18,138,194,350,394,937 would take you about one billion, seven hundred thirty million, two hundred fifteen thousand, four hundred twenty-five 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 18138194350394937 cubic inches would be around 21895.3 feet tall.

Recreational maths with 18138194350394937

• 18138194350394937 backwards is 73949305349183181
• The number of decimal digits it has is: 17
• The sum of 18138194350394937's digits is 78
• More coming soon!