18381838707540

Names of 18381838707540

• Cardinal: 18381838707540 can be written as Eighteen trillion, three hundred eighty-one billion, eight hundred thirty-eight million, seven hundred seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.838183870754 × 10¹³

Factors of 18381838707540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 911

Divisors of 18381838707540

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 49 54 55 60 63 66 70 77 81 84 90 98 99 105 108 110 126 132 135 140 147 154 162 165 180 189 196 198 210 220 231 243 245 252 270 294 297 308 315 324 330 378 385 396 405 420 441 462 486 490 495 539 540 567 588 594 630 660 693 729 735 756 770 810 882 883 891 924 945 972 980 990 1078 1134 1155 1188 1215 1260 1323 1386 1458 1470 1485 1540 1617 1620 1701 1764 1766 1782 1890 1980 2079 2156 2187 2205 2268 2310 2430 2646 2649 2673 2695 2772 2835 2916 2940 2970 3234 3402 3465 3532 3564 3645 3780 3969 4158 4374 4410 4415 4455 4620 4851 4860 5103 5292 5298 5346 5390 5670 5940 6181 6237 6468 6615 6804 6930 7290 7938 7947 8019 8085 8316 8505 8748 8820 8830 8910 9702 9713 10206 10395 10596 10692 10780 10935 11340 11907 12362 12474 13230 13245 13365 13860 14553 14580 15309 15876 15894 16038 16170 17010 17660 17820 18543 18711 19404 19426 19845 20412 20790 21870 23814 23841 24057 24255 24724 24948 25515 26460 26490 26730 29106 29139 30618 30905 31185 31788 32076 32340 34020 35721 37086 37422 38852 39690 39735 40095 41580 43267 43659 43740 47628 47682 48114 48510 48565 51030 52980 53460 55629 56133 58212 58278 59535 61236 61810 62370 67991 71442 71523 72765 74172 74844 76545 79380 79470 80190 86534 87318 87417 92715 93555 95364 96228 97020 97130 102060 107163 111258 112266 116556 119070 119205 120285 123620 124740 129801 130977 135982 142884 143046 145530 145695 153090 158940 160380 166887 168399 173068 174636 174834 178605 185430 187110 194260 203973 214326 214569 216335 218295 222516 224532 238140 238410 240570 259602 261954 262251 271964 278145 280665 286092 291060 291390 306180 333774 336798 339955 349668 357210 357615 370860 374220 389403 392931 407946 428652 429138 432670 436590 437085 475937 476820 481140 500661 519204 523908 524502 535815 556290 561330 582780 611919 643707 649005 654885 667548 673596 679910 714420 715230 778806 779689 785862 786753 815892 834435 841995 858276 865340 873180 874170 951874 1001322 1019865 1049004 1071630 1072845 1112580 1122660 1168209 1178793 1223838 1287414 1298010 1309770 1311255 1359820 1427811 1430460 1501983 1557612 1559378 1571724 1573506 1668870 1683990 1748340 1835757 1903748 1931121 1947015 1964655 2002644 2039730 2143260 2145690 2336418 2339067 2357586 2360259 2379685 2447676 2503305 2574828 2596020 2619540 2622510 2855622 3003966 3059595 3118756 3147012 3218535 3337740 3367980 3504627 3671514 3862242 3894030 3898445 3929310 3933765 4079460 4283433 4291380 4505949 4672836 4678134 4715172 4720518 4759370 5006610 5245020 5457823 5507271 5711244 5841045 5893965 6007932 6119190 6437070 7009254 7017201 7080777 7139055 7343028 7509915 7724484 7788060 7796890 7858620 7867530 8566866 8576579 9011898 9178785 9356268 9441036 9518740 9655605 10013220 10513881 10915646 11014542 11682090 11695335 11787930 11801295 12238380 12850299 12874140 13517847 14018508 14034402 14161554 14278110 15019830 15593780 15735060 16373469 16521813 17133732 17153158 17523135 18023796 18357570 19311210 21027762 21051603 21242331 21417165 21831292 22029084 22529745 23364180 23390670 23575860 23602590 25700598 25729737 27035694 27289115 27536355 28068804 28323108 28556220 30039660 31541643 32746938 33043626 34306316 35046270 35086005 35403885 36715140 38204761 38550897 38622420 42055524 42103206 42484662 42834330 42882895 45059490 46781340 47205180 49120407 49565439 51401196 51459474 52569405 54071388 54578230 55072710 60036053 63083286 63154809 64251495 65493876 66087252 67589235 70092540 70172010 70807770 76409522 77101794 77189211 81867345 82609065 84206412 84969324 85668660 85765790 90118980 94624929 98240814 99130878 102918948 105138810 105258015 106211655 109156460 110145420 114614283 115652691 120072106 126166572 126309618 128502990 128648685 135178470 140344020 141615540 147361221 148696317 152819044 154203588 154378422 157708215 163734690 165218130 171531580 180108159 189249858 189464427 191023805 192754485 196481628 198261756 210277620 210516030 212423310 229228566 231305382 231567633 240144212 245602035 247827195 252619236 257005980 257297370 270356940 294722442 297392634 300180265 308756844 315416430 315774045 327469380 330436260 343842849 346958073 360216318 378499716 378928854 382047610 385508970 385946055 420252371 421032060 424846620 442083663 458457132 462610764 463135266 473124645 491204070 495654390 514594740 540324477 568393281 573071415 578263455 589444884 594785268 600360530 630832860 631548090 687685698 693916146 694702899 720432636 736806105 743481585 757857708 764095220 771017940 771892110 840504742 884167326 900540795 926270532 946249290 947322135 982408140 991308780 1031528547 1040874219 1080648954 1136786562 1146142830 1156526910 1157838165 1200721060 1260757113 1263096180 1326250989 1375371396 1387832292 1389405798 1473612210 1486963170 1543784220 1620973431 1681009484 1705179843 1719214245 1734790365 1768334652 1801081590 1892498580 1894644270 2063057094 2081748438 2084108697 2101261855 2161297908 2210418315 2273573124 2292285660 2313053820 2315676330 2521514226 2652501978 2701622385 2778811596 2841966405 2947224420 2973926340 3094585641 3241946862 3410359686 3438428490 3469580730 3473514495 3602163180 3782271339 3789288540 3978752967 4126114188 4163496876 4168217394 4202523710 4420836630 4631352660 4862920293 5043028452 5157642735 5204371095 5305003956 5403244770 5683932810 6189171282 6252326091 6303785565 6483893724 6631254945 6820719372 6876856980 6939161460 6947028990 7564542678 7957505934 8104867155 8336434788 8405047420 8525899215 8841673260 9283756923 9725840586 10315285470 10408742190 10420543485 10806489540 11346814017 11367865620 11936258901 12378342564 12504652182 12607571130 13262509890 13894057980 14588760879 15129085356 15472928205 15915011868 16209734310 17051798430 18567513846 18756978273 18911356695 19451681172 19893764835 20630570940 20817484380 20841086970 22693628034 23872517802 24314601465 25009304364 25215142260 26525019780 27851270769 29177521758 30945856410 31261630455 32419468620 34040442051 34103596860 37135027692 37513956546 37822713390 39787529670 41682173940 43766282637 45387256068 46418784615 47745035604 48629202930 55702541538 56734070085 58355043516 59681294505 61891712820 62523260910 68080884102 72943804395 75027913092 75645426780 79575059340 83553812307 87532565274 92837569230 93784891365 97258405860 102121326153 111405083076 113468140170 119362589010 125046521820 131298847911 136161768204 139256353845 145887608790 167107624614 170202210255 175065130548 185675138460 187569782730 204242652306 218831413185 226936280340 238725178020 262597695822 278512707690 291775217580 306363978459 334215249228 340404420510 375139565460 408485304612 417769061535 437662826370 510606630765 525195391644 557025415380 612727956918 656494239555 680808841020 835538123070 875325652740 919091935377 1021213261530 1225455913836 1312988479110 1531819892295 1671076246140 1838183870754 2042426523060 2625976958220 3063639784590 3676367741508 4595459676885 6127279569180 9190919353770 18381838707540
• Sum of all divisors σ(n): 73551707752320
• Sum of proper divisors (its aliquot sum) s(n): 55169869044780
• 18381838707540 is an abundant number, because the sum of its proper divisors (55169869044780) is greater than itself. Its abundance is 36788030337240

Bases of 18381838707540

• Binary: 100001011011111011010111101110110101101010100₂
• Hexadecimal: 0x10B7DAF76B54
• Base-36: 6IKI05T90

Squares and roots of 18381838707540

• 18381838707540 squared (18381838707540²) is 337891994270015817652851600
• 18381838707540 cubed (18381838707540³) is 6211076139240460643339249971339421064000
• The square root of 18381838707540 is 4287404.6587113747
• The cube root of 18381838707540 is 26391.4337008127

Scales and comparisons

• 18,381,838,707,540 seconds is equal to 584,485 years, 31 weeks, 5 days, 19 hours, 39 minutes.
• To count from 1 to 18,381,838,707,540 would take you about one million, four hundred sixty-one thousand, two hundred fourteen 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 18381838707540 cubic inches would be around 2199.3 feet tall.

Recreational maths with 18381838707540

• 18381838707540 backwards is 04570783818381
• 18381838707540 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18381838707540's digits is 63
• More coming soon!