18168223628016

Names of 18168223628016

• Cardinal: 18168223628016 can be written as Eighteen trillion, one hundred sixty-eight billion, two hundred twenty-three million, six hundred twenty-eight thousand and sixteen.

Scientific notation

• Scientific notation: 1.8168223628016 × 10¹³

Factors of 18168223628016

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1998

Divisors of 18168223628016

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 31 33 36 42 44 48 54 56 62 63 66 72 77 81 84 88 93 99 108 112 121 124 126 132 144 154 162 168 176 186 189 198 216 217 231 242 248 252 264 279 297 308 324 331 336 341 363 372 378 396 432 434 462 484 496 504 528 558 567 594 616 648 651 662 682 693 726 744 756 792 837 847 868 891 924 968 993 1008 1023 1089 1116 1134 1188 1232 1296 1302 1324 1364 1386 1452 1488 1512 1584 1613 1674 1694 1736 1782 1848 1936 1953 1986 2046 2079 2178 2232 2268 2317 2376 2387 2511 2541 2604 2648 2728 2772 2904 2979 3024 3069 3226 3267 3348 3388 3472 3564 3641 3696 3751 3906 3972 4092 4158 4356 4464 4536 4634 4752 4774 4839 5022 5082 5208 5296 5456 5544 5808 5859 5958 6138 6237 6452 6534 6696 6776 6951 7128 7161 7282 7502 7623 7812 7944 8184 8316 8712 8937 9072 9207 9268 9548 9678 9801 10044 10164 10261 10416 10923 11088 11253 11291 11718 11916 12276 12474 12904 13068 13392 13552 13902 14256 14322 14517 14564 15004 15246 15624 15888 16368 16632 17424 17577 17743 17874 18414 18536 19096 19356 19602 20088 20328 20522 20853 21483 21846 22506 22582 22869 23436 23832 24552 24948 25487 25808 26136 26257 26811 27621 27804 28644 29034 29128 30008 30492 30783 31248 32769 33264 33759 33873 35154 35486 35748 36828 37072 38192 38712 39204 40051 40176 40656 41044 41706 42966 43551 43692 45012 45164 45738 46872 47664 49104 49896 50003 50974 52272 52514 53229 53622 55242 55608 57288 58068 58256 60016 60984 61566 62559 64449 65538 67518 67746 68607 70308 70972 71496 71827 73656 76461 77424 78408 78771 80102 82088 83412 85932 87102 87384 90024 90328 91476 92349 93744 98307 99792 100006 101277 101619 101948 105028 106458 107244 110484 111216 112871 114576 116136 120153 121968 123132 124201 125118 128898 130653 131076 135036 135492 137214 140616 141944 142992 143654 147312 150009 152922 156816 157542 159687 160204 164176 166824 171864 174204 174768 180048 180656 182952 184698 187677 193347 195173 196614 200012 202554 203238 203896 210056 212916 214488 215481 220968 225742 229383 232272 236313 240306 246264 248402 250236 257796 261306 262152 270072 270984 274428 277047 280357 281232 283888 287308 294921 300018 303831 304857 305844 315084 319374 320408 333648 338613 343728 348408 350021 360459 365904 369396 372603 375354 386694 390346 393228 400024 405108 406476 407792 420112 425832 428976 430962 441936 450027 451484 458766 472626 479061 480612 492528 496804 500472 515592 522612 524304 533903 540144 541968 548856 550033 554094 560714 574616 585519 589842 600036 607662 609714 611688 630168 638748 640816 646443 677226 688149 696816 700042 708939 720918 738792 745206 750708 773388 780692 786456 790097 800048 810216 812952 831141 841071 851664 861924 900054 902968 914571 917532 945252 958122 961224 993608 1000944 1015839 1031184 1045224 1050063 1067806 1081377 1097712 1100066 1108188 1117809 1121428 1149232 1171038 1179684 1200072 1215324 1219428 1223376 1241581 1260336 1277496 1292886 1350081 1354452 1366211 1376298 1400084 1417878 1437183 1441836 1477584 1490412 1501416 1546776 1561384 1572912 1580194 1601709 1620432 1625904 1650099 1662282 1682142 1723848 1756557 1800108 1805936 1829142 1835064 1890504 1916244 1922448 1939329 1987216 2031678 2064447 2090448 2100126 2126817 2135612 2162754 2200132 2216376 2235618 2242856 2342076 2359368 2370291 2400144 2430648 2438856 2483162 2523213 2554992 2585772 2700162 2708904 2732422 2752596 2800168 2835756 2874366 2883672 2980824 3002832 3047517 3093552 3122768 3150189 3160388 3203418 3244131 3300198 3324564 3353427 3364284 3447696 3513114 3600216 3658284 3670128 3724743 3737321 3781008 3832488 3850231 3878658 4050243 4063356 4098633 4128894 4200252 4253634 4271224 4325508 4400264 4432752 4471236 4485712 4684152 4718736 4740582 4805127 4861296 4877712 4950297 4966324 5046426 5171544 5269671 5400324 5417808 5464844 5505192 5600336 5671512 5748732 5767344 5817987 5872933 5961648 6050363 6095034 6300378 6320776 6406836 6488262 6600396 6649128 6706854 6728568 7026228 7110873 7200432 7316568 7449486 7474642 7569639 7664976 7700462 7757316 8100486 8126712 8197266 8257788 8400504 8507268 8542448 8651016 8691067 8800528 8942472 9142551 9368304 9450567 9481164 9610254 9900594 9932648 10060281 10092852 10343088 10539342 10800648 10929688 11010384 11174229 11211963 11343024 11497464 11550693 11635974 11745866 12100726 12190068 12295899 12600756 12641552 12813672 12976524 13200792 13298256 13413708 13457136 14052456 14221746 14415381 14633136 14850891 14898972 14949284 15139278 15400924 15514632 15809013 16200972 16253424 16394532 16515576 16550993 16801008 17014536 17302032 17382134 17618799 17884944 18151089 18285102 18901134 18962328 19220508 19801188 19865296 20120562 20185704 21078684 21332619 21601296 21859376 22348458 22423926 22708917 22994928 23101386 23271948 23491732 24201452 24380136 24591798 25201512 25627344 25953048 26073201 26401584 26827416 28104912 28351701 28443492 28830762 29701782 29797944 29898568 30278556 30801848 31029264 31618026 32401944 32789064 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148958937 151209072 156439206 158569191 160964496 163359801 164442124 169410164 170660952 172984572 178210692 178787664 179391408 181671336 182060923 184811088 193806789 196734384 198611916 201136122 201815334 207912474 208585608 211425588 217813068 221326182 226813608 230646096 231713902 234658809 237614256 246663186 252944208 254115246 255991428 258409052 264815888 268181496 269087112 277216632 281900784 290417424 295101576 297917874 302723001 311868711 312878412 317138382 326719602 328884248 338820328 341321904 345969144 347570853 356421384 363342672 364121846 369994779 381172869 387613578 397223832 402272244 403630668 415824948 417171216 422851176 435626136 442652364 446876811 452215841 453627216 463427804 469317618 475707573 490079403 493326372 508230492 511982856 516818104 536362992 538174224 546182769 554433264 581420367 590203152 595835748 605446002 623737422 625756824 634276764 653439204 657768496 677640656 691938288 695141706 703976427 712842768 728243692 739989558 762345738 775227156 794447664 804544488 807261336 831649896 845702352 871252272 885304728 893753622 904431682 926855608 938635236 951415146 980158806 986652744 1016460984 1023965712 1033636208 1042712559 1092365538 1109984337 1143518607 1162840734 1191671496 1210892004 1247474844 1251513648 1268553528 1274426461 1306878408 1340630433 1356647523 1390283412 1407952854 1456487384 1479979116 1524691476 1550454312 1609088976 1614522672 1638548307 1663299792 1744261101 1770609456 1787507244 1808863364 1853711216 1877270472 1902830292 1960317612 1973305488 2002670153 2032921968 2085425118 2184731076 2219968674 2287037214 2325681468 2383342992 2421784008 2494949688 2537107056 2548852922 2613756816 2681260866 2713295046 2780566824 2815905708 2912974768 2959958232 3049382952 3100908624 3128137677 3277096614 3329953011 3430555821 3488522202 3575014488 3617726728 3754540944 3805660584 3823279383 3920635224 4005340306 4069942569 4170850236 4369462152 4439937348 4574074428 4651362936 4843568016 4915644921 4989899376 5097705844 5232783303 5362521732 5426590092 5561133648 5631811416 5919916464 6008010459 6098765904 6256275354 6554193228 6659906022 6861111642 6977044404 7150028976 7235453456 7611321168 7646558766 7841270448 8010680612 8139885138 8341700472 8738924304 8879874696 9148148856 9302725872 9384413031 9831289842 10195411688 10465566606 10725043464 10853180184 11263622832 11469838149 12016020918 12209827707 12512550708 13108386456 13319812044 13722223284 13954088808 14018691071 14746934763 15293117532 16021361224 16279770276 16683400944 17759749392 18024031377 18296297712 18768826062 19662579684 20390823376 20931133212 21450086928 21706360368 22939676298 24032041836 24419655414 25025101416 26216772912 26639624088 27444446568 27908177616 28037382142 29493869526 30586235064 32042722448 32559540552 34409514447 36048062754 36629483121 37537652124 39325159368 41862266424 42056073213 45879352596 48064083672 48839310828 50050202832 53279248176 54072094131 54888893136 56074764284 58987739052 61172470128 65119081104 68819028894 72096125508 73258966242 75075304248 78650318736 83724532848 84112146426 91758705192 96128167344 97678621656 103228543341 108144188262 112149528568 117975478104 126168219639 137638057788 144192251016 146517932484 150150608496 162216282393 168224292852 183517410384 195357243312 206457086682 216288376524 224299057136 235950956208 252336439278 275276115576 288384502032 293035864968 324432564786 336448585704 378504658917 412914173364 432576753048 504672878556 550552231152 586071729936 648865129572 672897171408 757009317834 825828346728 865153506096 1009345757112 1135513976751 1297730259144 1514018635668 1651656693456 2018691514224 2271027953502 2595460518288 3028037271336 4542055907004 6056074542672 9084111814008 18168223628016
• Sum of all divisors σ(n): 68435317192704
• Sum of proper divisors (its aliquot sum) s(n): 50267093564688
• 18168223628016 is an abundant number, because the sum of its proper divisors (50267093564688) is greater than itself. Its abundance is 32098869936672

Bases of 18168223628016

• Binary: 100001000011000011110100000111111101011110000₂
• Hexadecimal: 0x10861E83FAF0
• Base-36: 6FUD79B00

Squares and roots of 18168223628016

• 18168223628016 squared (18168223628016²) is 330084349797598865540096256
• 18168223628016 cubed (18168223628016³) is 5997046283231034076168333361502178308096
• The square root of 18168223628016 is 4262419.9262878827
• The cube root of 18168223628016 is 26288.8036252319

Scales and comparisons

• 18,168,223,628,016 seconds is equal to 577,693 years, 16 weeks, 2 days, 1 hour, 33 minutes, 36 seconds.
• To count from 1 to 18,168,223,628,016 would take you about one million, four hundred forty-four thousand, two hundred thirty-three 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 18168223628016 cubic inches would be around 2190.7 feet tall.

Recreational maths with 18168223628016

• 18168223628016 backwards is 61082632286181
• 18168223628016 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18168223628016's digits is 54
• More coming soon!