18198012030640

Names of 18198012030640

• Cardinal: 18198012030640 can be written as Eighteen trillion, one hundred ninety-eight billion, twelve million, thirty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.819801203064 × 10¹³

Factors of 18198012030640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 204

Divisors of 18198012030640

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 80 85 104 130 136 167 169 170 208 221 260 272 289 334 338 340 442 520 578 668 676 680 835 845 884 1040 1105 1156 1336 1352 1360 1445 1670 1690 1768 2171 2210 2312 2672 2704 2839 2873 2890 3340 3380 3536 3757 4342 4420 4624 5678 5746 5780 6680 6760 7514 8684 8840 10855 11356 11492 11560 13360 13520 14195 14365 15028 17368 17680 18785 21710 22712 22984 23120 27889 28223 28390 28730 30056 34736 36907 37570 43420 45424 45968 48263 48841 55778 56446 56780 57460 60112 73814 75140 86840 96526 97682 111556 112892 113560 114920 139445 141115 147628 150280 173680 184535 193052 195364 223112 225784 227120 229840 241315 244205 278890 282230 295256 300560 362557 369070 386104 390728 446224 451568 474113 479791 482630 488410 557780 564460 590512 627419 725114 738140 772208 781456 948226 959582 965260 976820 1115560 1128920 1254838 1450228 1476280 1812785 1896452 1919164 1930520 1953640 2231120 2257840 2370565 2398955 2509676 2900456 2952560 3137095 3625570 3792904 3838328 3861040 3907280 4657463 4713241 4741130 4797910 5019352 5800912 6163469 6274190 7251140 7585808 7676656 8059921 8156447 9314926 9426482 9482260 9595820 10038704 12326938 12548380 14502280 16119842 16312894 18629852 18852964 18964520 19191640 23287315 23566205 24653876 25096760 29004560 30817345 32239684 32625788 37259704 37705928 37929040 38383280 40299605 40782235 46574630 47132410 49307752 50193520 60547019 61634690 64479368 65251576 74519408 75411856 79176871 80125097 80599210 81564470 93149260 94264820 98615504 104778973 121094038 123269380 128958736 130503152 158353742 160250194 161198420 163128940 186298520 188529640 209557946 242188076 246538760 302735095 316707484 320500388 322396840 326257880 372597040 377059280 395884355 400625485 419115892 484376152 493077520 523894865 605470190 633414968 641000776 644793680 652515760 787111247 791768710 801250970 838231784 968752304 1029299323 1047789730 1210940380 1266829936 1282001552 1346006807 1362126649 1574222494 1583537420 1602501940 1676463568 2058598646 2095579460 2421880760 2692013614 2724253298 3148444988 3167074840 3205003880 3935556235 4117197292 4191158920 4843761520 5146496615 5384027228 5448506596 6296889976 6334149680 6410007760 6730034035 6810633245 7871112470 8234394584 8382317840 10292993230 10768054456 10897013192 12593779952 13380891199 13460068070 13621266490 15742224940 16468789168 17498088491 20585986460 21536108912 21794026384 26761782398 26920136140 27242532980 31484449880 34996176982 41171972920 53523564796 53840272280 54485065960 62968899760 66904455995 69992353964 82343945840 87490442455 107047129592 107680544560 108970131920 133808911990 139984707928 174980884910 214094259184 227475150383 267617823980 279969415856 349961769820 454950300766 535235647960 699923539640 909900601532 1070471295920 1137375751915 1399847079280 1819801203064 2274751503830 3639602406128 4549503007660 9099006015320 18198012030640
• Sum of all divisors σ(n): 48962119036320
• Sum of proper divisors (its aliquot sum) s(n): 30764107005680
• 18198012030640 is an abundant number, because the sum of its proper divisors (30764107005680) is greater than itself. Its abundance is 12566094975040

Bases of 18198012030640

• Binary: 100001000110100001110000010101110111010110000₂
• Hexadecimal: 0x108D0E0AEEB0
• Base-36: 6G81UI5KG

Squares and roots of 18198012030640

• 18198012030640 squared (18198012030640²) is 331167641867318176298809600
• 18198012030640 cubed (18198012030640³) is 6026592730860135126918481608310726144000
• The square root of 18198012030640 is 4265912.8015748283
• The cube root of 18198012030640 is 26303.1633829495

Scales and comparisons

• 18,198,012,030,640 seconds is equal to 578,640 years, 25 weeks, 4 days, 5 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,198,012,030,640 would take you about one million, four hundred forty-six thousand, six hundred one 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 18198012030640 cubic inches would be around 2191.9 feet tall.

Recreational maths with 18198012030640

• 18198012030640 backwards is 04603021089181
• The number of decimal digits it has is: 14
• The sum of 18198012030640's digits is 43
• More coming soon!