18399489660864

Names of 18399489660864

• Cardinal: 18399489660864 can be written as Eighteen trillion, three hundred ninety-nine billion, four hundred eighty-nine million, six hundred sixty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8399489660864 × 10¹³

Factors of 18399489660864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 4257

Divisors of 18399489660864

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 64 72 78 79 81 93 96 104 108 117 124 144 156 158 162 186 192 208 216 234 237 243 248 279 288 312 316 324 351 372 403 416 432 468 474 486 496 558 576 624 632 648 702 711 729 744 806 832 837 864 936 948 972 992 1027 1053 1116 1209 1248 1264 1296 1404 1422 1458 1488 1612 1674 1728 1872 1896 1944 1984 2054 2106 2133 2187 2232 2418 2449 2496 2511 2528 2592 2808 2844 2916 2976 3081 3159 3224 3348 3627 3744 3792 3888 4108 4129 4212 4266 4374 4464 4836 4898 5022 5056 5184 5616 5688 5832 5952 6162 6318 6399 6448 6696 7254 7347 7488 7533 7584 7776 8216 8258 8424 8532 8748 8928 9243 9477 9672 9796 10044 10881 11232 11376 11664 12324 12387 12636 12798 12896 13392 14508 14694 15066 15168 15552 16432 16516 16848 17064 17496 17856 18486 18954 19197 19344 19592 20088 21762 22041 22464 22599 22752 23328 24648 24774 25272 25596 25792 26784 27729 28431 29016 29388 30132 31837 32643 32864 33032 33696 34128 34992 36972 37161 37908 38394 38688 39184 40176 43524 44082 45198 45504 46656 49296 49548 50544 51192 53568 53677 55458 56862 57591 58032 58776 60264 63674 65286 65728 66064 66123 67392 67797 68256 69984 73944 74322 75816 76788 77376 78368 80352 83187 87048 88164 90396 95511 97929 98592 99096 101088 102384 107354 110916 111483 113724 115182 116064 117552 120528 127348 127999 130572 132128 132246 135594 136512 139968 147888 148644 151632 153576 156736 160704 161031 166374 172773 174096 176328 180792 191022 195858 197184 198192 198369 202176 204768 214708 221832 222966 227448 230364 232128 235104 241056 249561 254696 255998 261144 264256 264492 271188 286533 293787 295776 297288 303264 307152 322062 326191 332748 334449 345546 348192 352656 361584 382044 383997 391716 396384 396738 409536 429416 443664 445932 454896 460728 470208 482112 483093 499122 509392 511996 522288 528984 542376 573066 587574 591552 594576 595107 606528 614304 644124 652382 665496 668898 691092 696384 705312 723168 748683 764088 767994 783432 792768 793476 858832 859599 881361 887328 891864 909792 921456 966186 978573 998244 1003347 1018784 1023992 1044576 1057968 1084752 1146132 1151991 1175148 1189152 1190214 1228608 1288248 1304764 1330992 1337796 1382184 1410624 1446336 1449279 1497366 1528176 1535988 1566864 1586952 1663987 1717664 1719198 1762722 1774656 1783728 1785321 1819584 1842912 1932372 1957146 1996488 2006694 2037568 2047984 2089152 2115936 2169504 2246049 2292264 2303982 2350296 2378304 2380428 2576496 2578797 2609528 2661984 2675592 2764368 2898558 2935719 2994732 3010041 3056352 3071976 3133728 3173904 3327974 3435328 3438396 3455973 3525444 3567456 3570642 3685824 3864744 3914292 3992976 4013388 4095968 4231872 4240483 4339008 4347837 4492098 4584528 4607964 4700592 4760856 4991961 5152992 5157594 5219056 5323968 5351184 5355963 5528736 5797116 5871438 5989464 6020082 6112704 6143952 6267456 6347808 6655948 6876792 6911946 7050888 7134912 7141284 7729488 7736391 7828584 7985952 8026776 8191936 8480966 8695674 8807157 8984196 9030123 9169056 9215928 9401184 9521712 9983922 10111921 10305984 10315188 10367919 10438112 10702368 10711926 11057472 11594232 11742876 11978928 12040164 12287904 12695616 12721449 13043511 13311896 13753584 13823892 14101776 14282568 14975883 15458976 15472782 15657168 15971904 16053552 16961932 17391348 17614314 17968392 18060246 18338112 18431856 18802368 19043424 19967844 20223842 20630376 20735838 20876224 21404736 21423852 23188464 23209173 23485752 23957856 24080328 24575808 25442898 26087022 26421471 26623792 27507168 27647784 28203552 28565136 29951766 30335763 30917952 30945564 31103757 31314336 32107104 33923864 34782696 35228628 35936784 36120492 36863712 38086848 38164347 39130533 39935688 40447684 41260752 41471676 42847704 44927649 46376928 46418346 46971504 47915712 48160656 50885796 52174044 52842942 53247584 55014336 55295568 56407104 57130272 59903532 60671526 61891128 62207514 62628672 64214208 67847728 69565392 69627519 70457256 71873568 72240984 73727424 76328694 78261066 79264413 79871376 80895368 82521504 82943352 85695408 89855298 91007289 92753856 92836692 93311271 93943008 96321312 101771592 104348088 105685884 106495168 110591136 114260544 114493041 117391599 119807064 121343052 123782256 124415028 131454973 134782947 135695456 139130784 139255038 140914512 143747136 144481968 152657388 156522132 158528826 159742752 161790736 165043008 165886704 171390816 179710596 182014578 185673384 186622542 187886016 192642624 203543184 208696176 211371768 221182272 228986082 234783198 237793239 239614128 242686104 247564512 248830056 262909946 269565894 271390912 273021867 278261568 278510076 279933813 281829024 288963936 305314776 313044264 317057652 319485504 323581472 331773408 342781632 343479123 359421192 364029156 371346768 373245084 394364919 404348841 407086368 417392352 422743536 457972164 469566396 475586478 479228256 485372208 495129024 497660112 525819892 539131788 546043734 557020152 559867626 563658048 577927872 610629552 626088528 634115304 647162944 663546816 686958246 713379717 718842384 728058312 742693536 746490168 788729838 808697682 814172736 819065601 834784704 845487072 915944328 939132792 951172956 958456512 970744416 995320224 1030437369 1051639784 1078263576 1092087468 1114040304 1119735252 1183094757 1213046523 1221259104 1252177056 1268230608 1373916492 1426759434 1437684768 1456116624 1485387072 1492980336 1577459676 1617395364 1638131202 1690974144 1831888656 1878265584 1902345912 1941488832 1990640448 2060874738 2103279568 2156527152 2184174936 2228080608 2239470504 2366189514 2426093046 2442518208 2457196803 2504354112 2536461216 2747832984 2853518868 2875369536 2912233248 2985960672 3091312107 3154919352 3234790728 3276262404 3549284271 3639139569 3663777312 3756531168 3804691824 4121749476 4206559136 4313054304 4368349872 4456161216 4478941008 4732379028 4852186092 4914393606 5072922432 5495665968 5707037736 5824466496 5971921344 6182624214 6309838704 6469581456 6552524808 7098568542 7278279138 7327554624 7371590409 7513062336 7609383648 8243498952 8413118272 8626108608 8736699744 8957882016 9273936321 9464758056 9704372184 9828787212 10647852813 10991331936 11414075472 12365248428 12619677408 12939162912 13105049616 14197137084 14556558276 14743180818 15218767296 16486997904 17473399488 17915764032 18547872642 18929516112 19408744368 19657574424 21295705626 21982663872 22114771227 22828150944 24730496856 25239354816 25878325824 26210099232 28394274168 29113116552 29486361636 31943558439 32973995808 37095745284 37859032224 38817488736 39315148848 42591411252 44229542454 45656301888 49460993712 52420198464 56788548336 58226233104 58972723272 63887116878 65947991616 74191490568 75718064448 77634977472 78630297696 85182822504 88459084908 95830675317 98921987424 113577096672 116452466208 117945446544 127774233756 148382981136 157260595392 170365645008 176918169816 191661350634 197843974848 227154193344 232904932416 235890893088 255548467512 287492025951 296765962272 340731290016 353836339632 383322701268 471781786176 511096935024 574984051902 593531924544 681462580032 707672679264 766645402536 1022193870048 1149968103804 1415345358528 1533290805072 2044387740096 2299936207608 3066581610144 4599872415216 6133163220288 9199744830432 18399489660864
• Sum of all divisors σ(n): 61658877952000
• Sum of proper divisors (its aliquot sum) s(n): 43259388291136
• 18399489660864 is an abundant number, because the sum of its proper divisors (43259388291136) is greater than itself. Its abundance is 24859898630272

Bases of 18399489660864

• Binary: 100001011101111110111000010111001011111000000₂
• Hexadecimal: 0x10BBF70B97C0
• Base-36: 6ISLX3000

Squares and roots of 18399489660864

• 18399489660864 squared (18399489660864²) is 338541219780241233733226496
• 18399489660864 cubed (18399489660864³) is 6228985673122835666270272537535539052544
• The square root of 18399489660864 is 4289462.6307806903
• The cube root of 18399489660864 is 26399.8783572907

Scales and comparisons

• 18,399,489,660,864 seconds is equal to 585,046 years, 44 weeks, 4 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,399,489,660,864 would take you about one million, four hundred sixty-two thousand, six hundred seventeen 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 18399489660864 cubic inches would be around 2200 feet tall.

Recreational maths with 18399489660864

• 18399489660864 backwards is 46806698499381
• 18399489660864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18399489660864's digits is 81
• More coming soon!