18531978956480

Names of 18531978956480

• Cardinal: 18531978956480 can be written as Eighteen trillion, five hundred thirty-one billion, nine hundred seventy-eight million, nine hundred fifty-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.853197895648 × 10¹³

Factors of 18531978956480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5097

Divisors of 18531978956480

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 64 80 88 110 116 121 145 160 176 220 232 242 290 317 319 320 352 440 464 484 580 605 634 638 704 880 928 968 1160 1210 1268 1276 1331 1585 1595 1760 1856 1936 2320 2420 2536 2552 2662 3170 3190 3487 3509 3520 3872 4640 4733 4840 5072 5104 5324 6340 6380 6655 6974 7018 7744 9193 9280 9466 9680 10144 10208 10648 12680 12760 13310 13948 14036 17435 17545 18386 18932 19360 20288 20416 21296 23665 25360 25520 26620 27896 28072 34870 35090 36772 37864 38357 38599 38720 42592 45965 47330 50720 51040 52063 53240 55792 56144 69740 70180 73544 75728 76714 77198 85184 91930 94660 101123 101440 102080 104126 106480 111584 112288 137257 139480 140360 147088 151456 153428 154396 183860 189320 191785 192995 202246 208252 212960 223168 224576 260315 274514 278960 280720 294176 302912 306856 308792 367720 378640 383570 385990 404492 416504 421927 425920 505615 520630 549028 557920 561440 572693 588352 613712 617584 686285 735440 757280 767140 771980 808984 833008 843854 1011230 1041260 1098056 1112353 1115840 1122880 1145386 1227424 1235168 1372570 1470880 1500361 1509827 1514560 1534280 1543960 1617968 1666016 1687708 2022460 2082520 2109635 2196112 2224706 2290772 2454848 2470336 2745140 2863465 2941760 3000722 3019654 3068560 3087920 3235936 3332032 3375416 4044920 4165040 4219270 4392224 4449412 4581544 5490280 5561765 5726930 6001444 6039308 6137120 6175840 6299623 6471872 6750832 7501805 7549135 8089840 8330080 8438540 8784448 8898824 9163088 10980560 11123530 11453860 12002888 12078616 12235883 12274240 12351680 12599246 13501664 15003610 15098270 16179680 16503971 16608097 16660160 16877080 17797648 18326176 21961120 22247060 22907720 24005776 24157232 24471766 25198492 27003328 30007220 30196540 31498115 32359360 33007942 33216194 33754160 35595296 36652352 43510469 43922240 44494120 45815440 48011552 48314464 48943532 50396984 60014440 60393080 61179415 62996230 66015884 66432388 67508320 71190592 82519855 83040485 87020938 88988240 91630880 96023104 96628928 97887064 100793968 120028880 120786160 122358830 125992460 132031768 132864776 135016640 165039710 166080970 174041876 177976480 181543681 182689067 183261760 195774128 201587936 217552345 240057760 241572320 244717660 251984920 264063536 265729552 330079420 332161940 348083752 355952960 363087362 365378134 391548256 403175872 435104690 478615159 480115520 483144640 489435320 503969840 528127072 531459104 660158840 664323880 696167504 726174724 730756268 783096512 870209380 907718405 913445335 957230318 978870640 1007939680 1056254144 1062918208 1320317680 1328647760 1392335008 1452349448 1461512536 1740418760 1815436810 1826890670 1914460636 1957741280 1996980491 2015879360 2393075795 2640635360 2657295520 2784670016 2904698896 2923025072 3480837520 3630873620 3653781340 3828921272 3915482560 3993960982 4786151590 5264766749 5281270720 5314591040 5809397792 5846050144 6961675040 7261747240 7307562680 7657842544 7987921964 9572303180 9984902455 10529533498 11618795584 11692100288 13923350080 14523494480 14615125360 15315685088 15975843928 19144606360 19969804910 21059066996 26323833745 29046988960 29230250720 30631370176 31951687856 38289212720 39939609820 42118133992 52647667490 57912434239 58093977920 58460501440 63903375712 76578425440 79879219640 84236267984 105295334980 115824868478 127806751424 153156850880 159758439280 168472535968 210590669960 231649736956 289562171195 319516878560 336945071936 421181339920 463299473912 579124342390 639033757120 842362679840 926598947824 1158248684780 1684725359680 1853197895648 2316497369560 3706395791296 4632994739120 9265989478240 18531978956480
• Sum of all divisors σ(n): 50381683620480
• Sum of proper divisors (its aliquot sum) s(n): 31849704664000
• 18531978956480 is an abundant number, because the sum of its proper divisors (31849704664000) is greater than itself. Its abundance is 13317725707520

Bases of 18531978956480

• Binary: 100001101101011010000000001011100111011000000₂
• Hexadecimal: 0x10DAD005CEC0
• Base-36: 6KHH1SERK

Squares and roots of 18531978956480

• 18531978956480 squared (18531978956480²) is 343434244043417549733990400
• 18531978956480 cubed (18531978956480³) is 6364516183547230819132233914578337792000
• The square root of 18531978956480 is 4304878.5065876133
• The cube root of 18531978956480 is 26463.0927810129

Scales and comparisons

• 18,531,978,956,480 seconds is equal to 589,259 years, 31 weeks, 4 days, 4 hours, 21 minutes, 20 seconds.
• To count from 1 to 18,531,978,956,480 would take you about one million, four hundred seventy-three thousand, one hundred forty-nine 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 18531978956480 cubic inches would be around 2205.3 feet tall.

Recreational maths with 18531978956480

• 18531978956480 backwards is 08465987913581
• The number of decimal digits it has is: 14
• The sum of 18531978956480's digits is 74
• More coming soon!