18649665939003840

Names of 18649665939003840

• Cardinal: 18649665939003840 can be written as Eighteen quadrillion, six hundred forty-nine trillion, six hundred sixty-five billion, nine hundred thirty-nine million, three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.864966593900384 × 10¹⁶

Factors of 18649665939003840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 46307124

Divisors of 18649665939003840

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 31 32 36 39 40 45 48 52 60 62 64 65 72 78 80 90 93 96 104 117 120 124 130 144 155 156 160 180 186 192 195 208 234 240 248 260 279 288 310 312 320 347 360 372 390 403 416 465 468 480 496 520 558 576 585 620 624 694 720 744 780 806 832 930 936 960 992 1040 1041 1116 1170 1209 1240 1248 1388 1395 1440 1488 1560 1612 1735 1860 1872 1984 2015 2080 2082 2232 2340 2418 2480 2496 2776 2790 2880 2976 3120 3123 3224 3470 3627 3720 3744 4030 4160 4164 4464 4511 4680 4836 4960 5205 5552 5580 5952 6045 6240 6246 6448 6940 7254 7440 7488 8060 8328 8928 9022 9360 9672 9920 10410 10757 11104 11160 12090 12480 12492 12896 13533 13880 14508 14880 15615 16120 16656 17856 18044 18135 18720 19344 20820 21514 22208 22320 22555 24180 24984 25792 27066 27760 29016 29760 31230 32240 32271 33312 36088 36270 37440 38688 40599 41640 43028 44640 45110 48360 49968 53785 54132 55520 58032 62460 64480 64542 66624 67665 72176 72540 77376 81198 83280 86056 89280 90220 96720 96813 99936 107570 108264 111040 116064 124920 128960 129084 135330 139841 144352 145080 161355 162396 166560 172112 180440 193440 193626 199872 202995 215140 216528 232128 249840 258168 270660 279682 288704 290160 322710 324792 333120 344224 360880 386880 387252 405990 419523 430280 433056 484065 499680 516336 541320 559364 580320 645420 649584 688448 699205 721760 774504 811980 839046 860560 866112 968130 999360 1032672 1082640 1118728 1160640 1258569 1290840 1299168 1398410 1443520 1549008 1623960 1678092 1721120 1936260 2065344 2097615 2165280 2237456 2517138 2581680 2598336 2796820 3098016 3247920 3356184 3442240 3872520 4195230 4330560 4474912 5034276 5163360 5593640 6196032 6292845 6495840 6712368 7745040 8390460 8949824 10068552 10326720 11187280 12585690 12991680 13424736 15490080 16780920 20137104 22374560 25171380 26849472 30980160 33561840 40274208 44749120 46306723 50342760 67123680 80548416 92613446 100685520 134247360 138920169 185226892 201371040 231533615 277840338 370453784 402742080 416760507 463067230 555680676 601987399 694600845 740907568 833521014 926134460 1111361352 1203974798 1389201690 1435508413 1481815136 1667042028 1805962197 1852268920 2083802535 2222722704 2407949596 2778403380 2871016826 2963630272 3009936995 3334084056 3611924394 3704537840 4167605070 4306525239 4445445408 4815899192 5417886591 5556806760 5742033652 6019873990 6668168112 7177542065 7223848788 7409075680 8335210140 8613050478 8890890816 9029810985 9631798384 10835773182 11113613520 11484067304 12039747980 12919575717 13336336224 14355084130 14447697576 14818151360 16068432881 16670420280 17226100956 18059621970 18661609369 19263596768 21532626195 21671546364 22227227040 22968134608 24079495960 25839151434 26672672448 27089432955 28710168260 28895395152 32136865762 33340840560 34452201912 36119243940 37323218738 38527193536 43065252390 43343092728 44454454080 45936269216 48158991920 48205298643 51678302868 54178865910 55984828107 57420336520 57790790304 64273731524 64597878585 66681681120 68904403824 72238487880 74646437476 80342164405 86130504780 86686185456 91872538432 93308046845 96317983840 96410597286 103356605736 108357731820 111969656214 114840673040 115581580608 128547463048 129195757170 133363362240 137808807648 144476975760 144615895929 149292874952 160684328810 167954484321 172261009560 173372370912 186616093690 192635967680 192821194572 206713211472 208889627453 216715463640 223939312428 229681346080 241026493215 257094926096 258391514340 275617615296 279924140535 288953951520 289231791858 298585749904 321368657620 335908968642 344522019120 346744741824 373232187380 385642389144 413426422944 417779254906 433430927280 447878624856 459362692160 482052986430 498121419311 514189852192 516783028680 559848281070 577907903040 578463583716 597171499808 626668882359 642737315240 671817937284 689044038240 723079479645 746464374760 771284778288 826852845888 835558509812 839772421605 866861854560 895757249712 964105972860 996242838622 1028379704384 1033566057360 1044448137265 1119696562140 1156927167432 1194342999616 1253337764718 1285474630480 1343635874568 1378088076480 1446158959290 1492928749520 1494364257933 1542569556576 1671117019624 1679544843210 1733723709120 1791514499424 1880006647077 1928211945720 1992485677244 2067132114720 2088896274530 2239393124280 2313854334864 2490607096555 2506675529436 2570949260960 2687271749136 2892317918580 2985857499040 2988728515866 3085139113152 3133344411795 3342234039248 3359089686420 3583028998848 3760013294154 3856423891440 3984971354488 4134264229440 4177792549060 4478786248560 4483092773799 4627708669728 4981214193110 5013351058872 5141898521920 5374543498272 5784635837160 5971714998080 5977457031732 6266688823590 6475578451043 6684468078496 6718179372840 7471821289665 7520026588308 7712847782880 7969942708976 8355585098120 8957572497120 8966185547598 9255417339456 9400033235385 9962428386220 10026702117744 10749086996544 11569271674320 11954914063464 12533377647180 12951156902086 13368936156992 13436358745680 14943642579330 15040053176616 15425695565760 15939885417952 16711170196240 17915144994240 17932371095196 18800066470770 19426735353129 19924856772440 20053404235488 22415463868995 23138543348640 23909828126928 25066755294360 25902313804172 26872717491360 29887285158660 30080106353232 31879770835904 32377892255215 33422340392480 35864742190392 37600132941540 38853470706258 39849713544880 40106808470976 44830927737990 46277086697280 47819656253856 50133510588720 51804627608344 53745434982720 58280206059387 59774570317320 60160212706464 64755784510430 66844680784960 71729484380784 75200265883080 77706941412516 79699427089760 89661855475980 95639312507712 97133676765645 100267021177440 103609255216688 116560412118774 119549140634640 120320425412928 129511569020860 143458968761568 150400531766160 155413882825032 159398854179520 179323710951960 194267353531290 200534042354880 207218510433376 233120824237548 239098281269280 259023138041720 286917937523136 291401030296935 300801063532320 310827765650064 358647421903920 388534707062580 414437020866752 466241648475096 478196562538560 518046276083440 582802060593870 601602127064640 621655531300128 717294843807840 777069414125160 932483296950192 1036092552166880 1165604121187740 1243311062600256 1434589687615680 1554138828250320 1864966593900384 2072185104333760 2331208242375480 3108277656500640 3729933187800768 4662416484750960 6216555313001280 9324832969501920 18649665939003840
• Sum of all divisors σ(n): 71515411056101376
• Sum of proper divisors (its aliquot sum) s(n): 52865745117097536
• 18649665939003840 is an abundant number, because the sum of its proper divisors (52865745117097536) is greater than itself. Its abundance is 34216079178093696

Bases of 18649665939003840

• Binary: 1000010010000011100010110111001011110010101100111000000₂
• Hexadecimal: 0x4241C5B97959C0
• Base-36: 53MR697Z740

Squares and roots of 18649665939003840

• 18649665939003840 squared (18649665939003840²) is 347810039636439981155411534745600
• 18649665939003840 cubed (18649665939003840³) is 6486541049451290250324084294600368130411823104000
• The square root of 18649665939003840 is 136563779.7477934483
• The cube root of 18649665939003840 is 265189.9240801417

Scales and comparisons

• 18,649,665,939,003,840 seconds is equal to 593,001,689 years, 34 weeks, 18 hours, 24 minutes.
• To count from 1 to 18,649,665,939,003,840 would take you about one billion, seven hundred seventy-nine million, five thousand and sixty-eight 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 18649665939003840 cubic inches would be around 22099.2 feet tall.

Recreational maths with 18649665939003840

• 18649665939003840 backwards is 04830093956694681
• The number of decimal digits it has is: 17
• The sum of 18649665939003840's digits is 81
• More coming soon!