18902019468162240

Names of 18902019468162240

• Cardinal: 18902019468162240 can be written as Eighteen quadrillion, nine hundred two trillion, nineteen billion, four hundred sixty-eight million, one hundred sixty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.890201946816224 × 10¹⁶

Factors of 18902019468162240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 84256

Divisors of 18902019468162240

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 103 108 120 135 144 160 162 180 192 206 216 240 270 288 309 320 324 360 405 412 432 480 515 540 576 618 648 720 810 824 864 927 960 1030 1080 1236 1296 1440 1545 1620 1648 1728 1854 2060 2160 2472 2592 2781 2880 3090 3240 3296 3708 4120 4320 4635 4944 5184 5562 6180 6480 6592 7416 8240 8343 8640 9270 9888 11124 12360 12960 13905 14832 16480 16686 18540 19776 22248 24720 25920 27810 29664 32960 33372 37080 41715 44496 49440 55620 59328 66744 74160 83430 84143 88992 98880 111240 133488 148320 166860 168286 177984 222480 252429 266976 296640 333720 336572 420715 444960 504858 533952 667440 673144 757287 841430 889920 1009716 1262145 1334880 1346288 1514574 1682860 2019432 2271861 2524290 2669760 2692576 3029148 3365720 3786435 4038864 4543722 5048580 5385152 6058296 6731440 6815583 7572870 8077728 8666729 9087444 10097160 11359305 12116592 13462880 13631166 15145740 16155456 17333458 18174888 20194320 22718610 24233184 26000187 26925760 27262332 30291480 34077915 34666916 36349776 40388640 43333645 45437220 48466368 52000374 54524664 60582960 68155830 69333832 72699552 78000561 80777280 86667290 90874440 104000748 109049328 121165920 130000935 136311660 138667664 145399104 156001122 173334580 181748880 208001496 218098656 234001683 242331840 260001870 272623320 277335328 312002244 346669160 363497760 390002805 416002992 436197312 468003366 520003740 545246640 554670656 624004488 693338320 702005049 726995520 780005610 832005984 936006732 1040007480 1090493280 1170008415 1248008976 1386676640 1404010098 1560011220 1664011968 1872013464 2080014960 2180986560 2340016830 2496017952 2773353280 2808020196 3120022440 3510025245 3744026928 4160029920 4680033660 4992035904 5616040392 6240044880 7020050490 7080044449 7488053856 8320059840 9360067320 11232080784 12480089760 14040100980 14160088898 14976107712 18720134640 21240133347 22464161568 24960179520 28080201960 28320177796 35400222245 37440269280 42480266694 44928323136 56160403920 56640355592 63720400041 70800444490 74880538560 84960533388 106200666735 112320807840 113280711184 127440800082 141600888980 169921066776 191161200123 212401333470 224641615680 226561422368 254881600164 283201777960 318602000205 339842133552 382322400246 424802666940 453122844736 509763200328 566403555920 573483600369 637204000410 679684267104 729244578247 764644800492 849605333880 955806000615 1019526400656 1132807111840 1146967200738 1274408000820 1359368534208 1458489156494 1529289600984 1699210667760 1911612001230 2039052801312 2187733734741 2265614223680 2293934401476 2548816001640 2867418001845 2916978312988 3058579201968 3398421335520 3646222891235 3823224002460 4078105602624 4375467469482 4587868802952 5097632003280 5734836003690 5833956625976 6117158403936 6563201204223 6796842671040 7292445782470 7646448004920 8750934938964 9175737605904 10195264006560 10938668673705 11469672007380 11667913251952 12234316807872 13126402408446 14584891564940 15292896009840 17501869877928 18351475211808 19689603612669 20390528013120 21877337347410 22939344014760 23335826503904 26252804816892 29169783129880 30585792019680 32816006021115 35003739755856 36702950423616 39379207225338 43754674694820 45878688029520 46671653007808 52505609633784 58339566259760 59068810838007 61171584039360 65632012042230 70007479511712 78758414450676 87509349389640 91757376059040 98448018063345 105011219267568 116679132519520 118137621676014 131264024084460 140014959023424 157516828901352 175018698779280 183514752118080 196896036126690 210022438535136 233358265039040 236275243352028 262528048168920 295344054190035 315033657802704 350037397558560 393792072253380 420044877070272 472550486704056 525056096337840 590688108380070 630067315605408 700074795117120 787584144506760 945100973408112 1050112192675680 1181376216760140 1260134631210816 1575168289013520 1890201946816224 2100224385351360 2362752433520280 3150336578027040 3780403893632448 4725504867040560 6300673156054080 9451009734081120 18902019468162240
• Sum of all divisors σ(n): 67891409719305744
• Sum of proper divisors (its aliquot sum) s(n): 48989390251143504
• 18902019468162240 is an abundant number, because the sum of its proper divisors (48989390251143504) is greater than itself. Its abundance is 30087370782981264

Bases of 18902019468162240

• Binary: 1000011001001110100100101011011111011111111010011000000₂
• Hexadecimal: 0x4327495BEFF4C0
• Base-36: 5647FV7NW00

Squares and roots of 18902019468162240

• 18902019468162240 squared (18902019468162240²) is 357286339974784330301002961817600
• 18902019468162240 cubed (18902019468162240³) is 6753433353911806176248409293949970585562087424000
• The square root of 18902019468162240 is 137484615.3871851947
• The cube root of 18902019468162240 is 266380.6874540093

Scales and comparisons

• 18,902,019,468,162,240 seconds is equal to 601,025,751 years, 15 weeks, 5 days, 2 hours, 24 minutes.
• To count from 1 to 18,902,019,468,162,240 would take you about one billion, eight hundred three million, seventy-seven thousand, two hundred fifty-three 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 18902019468162240 cubic inches would be around 22198.4 feet tall.

Recreational maths with 18902019468162240

• 18902019468162240 backwards is 04226186491020981
• The number of decimal digits it has is: 17
• The sum of 18902019468162240's digits is 63
• More coming soon!