18408030128713890

Names of 18408030128713890

• Cardinal: 18408030128713890 can be written as Eighteen quadrillion, four hundred eight trillion, thirty billion, one hundred twenty-eight million, seven hundred thirteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.840803012871389 × 10¹⁶

Factors of 18408030128713890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 1444

Divisors of 18408030128713890

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 729 810 945 1134 1215 1427 1458 1701 1890 2187 2430 2835 2854 3402 3645 4281 4374 5103 5670 6561 7135 7290 8505 8562 9989 10206 10935 12843 13122 14270 15309 17010 19683 19978 21405 21870 25515 25686 29967 30618 32805 38529 39366 42810 45927 49945 51030 59049 59934 64215 65610 76545 77058 89901 91854 98415 99890 115587 118098 128430 137781 149835 153090 177147 179802 192645 196830 229635 231174 269703 275562 295245 299670 346761 354294 385290 413343 449505 459270 531441 539406 577935 590490 688905 693522 809109 826686 885735 899010 1040283 1062882 1155870 1240029 1348515 1377810 1594323 1618218 1733805 1771470 2036329 2066715 2080566 2427327 2480058 2657205 2697030 3120849 3188646 3467610 3720087 4045545 4072658 4133430 4782969 4854654 5201415 5314410 6108987 6200145 6241698 7281981 7440174 7971615 8091090 9362547 9565938 10181645 10402830 11160261 12136635 12217974 12400290 14254303 14348907 14563962 15604245 15943230 18326961 18600435 18725094 20363290 21845943 22320522 23914845 24273270 28087641 28508606 28697814 30544935 31208490 33480783 36409905 36653922 37200870 42762909 43046721 43691886 46812735 47829690 54980883 55801305 56175282 61089870 65537829 66961566 71271515 71744535 72819810 84262923 85525818 86093442 91634805 93625470 100442349 109229715 109961766 111602610 128288727 129140163 131075658 140438205 142543030 143489070 164942649 167403915 168525846 183269610 196613487 200884698 213814545 215233605 218459430 252788769 256577454 258280326 274904415 280876410 301327047 327689145 329885298 334807830 384866181 393226974 421314615 427629090 430467210 494827947 502211745 505577538 549808830 589840461 602654094 641443635 645700815 655378290 758366307 769732362 824713245 842629230 903981141 983067435 989655894 1004423490 1154598543 1179680922 1263943845 1282887270 1291401630 1484483841 1506635235 1516732614 1649426490 1769521383 1807962282 1924330905 1966134870 2275098921 2309197086 2474139735 2527887690 2949202305 2968967682 3013270470 3463795629 3539042766 3791831535 3848661810 4453451523 4519905705 4550197842 4948279470 5308564149 5772992715 5898404610 6825296763 6927591258 7422419205 7583663070 8847606915 8906903046 9039811410 10391386887 10617128298 11375494605 11545985430 13360354569 13650593526 14844838410 15925692447 17318978145 17695213830 20475890289 20782773774 22267257615 22750989210 26542820745 26720709138 31174160661 31851384894 34126483815 34637956290 40081063707 40951780578 44534515230 47777077341 51956934435 53085641490 61427670867 62348321322 66801772845 68252967630 79628462235 80162127414 93522481983 95554154682 102379451445 103913868870 120243191121 122855341734 133603545690 143331232023 155870803305 159256924470 184283012601 187044963966 200405318535 204758902890 238885386705 240486382242 280567445949 286662464046 307138354335 311741606610 360729573363 368566025202 400810637070 429993696069 467612409915 477770773410 561134891898 601215955605 614276708670 716656160115 721459146726 841702337847 859987392138 921415063005 935224819830 1082188720089 1202431911210 1289981088207 1402837229745 1433312320230 1683404675694 1803647866815 1842830126010 2149968480345 2164377440178 2525107013541 2579962176414 2805674459490 3246566160267 3607295733630 4208511689235 4299936960690 5050214027082 5410943600445 6449905441035 6493132320534 7575321040623 8417023378470 9739698480801 10821887200890 12625535067705 12899810882070 15150642081246 16232830801335 19479396961602 22725963121869 25251070135410 29219095442403 32465661602670 37876605203115 45451926243738 48698492404005 58438190884806 68177889365607 75753210406230 87657286327209 97396984808010 113629815609345 136355778731214 146095477212015 175314572654418 204533668096821 227259631218690 262971858981627 292190954424030 340889446828035 409067336193642 438286431636045 525943717963254 613601004290463 681778893656070 876572863272090 1022668340484105 1227202008580926 1314859294908135 1840803012871389 2045336680968210 2629718589816270 3068005021452315 3681606025742778 6136010042904630 9204015064356945 18408030128713890
• Sum of all divisors σ(n): 56841754418309952
• Sum of proper divisors (its aliquot sum) s(n): 38433724289596062
• 18408030128713890 is an abundant number, because the sum of its proper divisors (38433724289596062) is greater than itself. Its abundance is 20025694160882172

Bases of 18408030128713890

• Binary: 1000001011001100000000110000000110101100011000010100010₂
• Hexadecimal: 0x41660180D630A2
• Base-36: 5193OAPDS4I

Squares and roots of 18408030128713890

• 18408030128713890 squared (18408030128713890²) is 338855573219638313640665478932100
• 18408030128713890 cubed (18408030128713890³) is 6237663601109717643926251097876580745063636869000
• The square root of 18408030128713890 is 135676195.8809056895
• The cube root of 18408030128713890 is 264039.6239151381

Scales and comparisons

• 18,408,030,128,713,890 seconds is equal to 585,318,418 years, 16 weeks, 3 days, 12 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,408,030,128,713,890 would take you about one billion, seven hundred fifty-five million, nine hundred fifty-five thousand, two hundred fifty-four 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 18408030128713890 cubic inches would be around 22003.3 feet tall.

Recreational maths with 18408030128713890

• 18408030128713890 backwards is 09831782103080481
• 18408030128713890 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18408030128713890's digits is 63
• More coming soon!