18972675287748

Names of 18972675287748

• Cardinal: 18972675287748 can be written as Eighteen trillion, nine hundred seventy-two billion, six hundred seventy-five million, two hundred eighty-seven thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.8972675287748 × 10¹³

Factors of 18972675287748

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4058

Divisors of 18972675287748

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 49 52 54 63 73 78 81 84 91 98 108 109 117 126 146 147 156 162 182 189 196 218 219 234 243 252 273 292 294 324 327 351 364 378 436 438 441 468 486 511 546 567 588 637 654 657 702 756 763 819 876 882 949 972 981 1022 1053 1092 1134 1274 1308 1314 1323 1404 1417 1526 1533 1638 1701 1764 1898 1911 1962 1971 2044 2106 2268 2289 2457 2548 2628 2646 2834 2847 2943 3052 3066 3159 3276 3402 3577 3796 3822 3851 3924 3942 3969 4212 4251 4578 4599 4914 5292 5341 5668 5694 5733 5886 5913 6132 6318 6643 6804 6867 7154 7371 7644 7702 7884 7938 7957 8502 8541 8829 9156 9198 9828 9919 10682 10731 11388 11466 11553 11772 11826 11907 12636 12753 13286 13734 13797 14308 14742 15404 15876 15914 16023 17004 17082 17199 17658 17739 18396 19838 19929 20601 21364 21462 22113 22932 23106 23652 23814 23871 25506 25623 26487 26572 26957 27468 27594 29484 29757 31828 32046 32193 34164 34398 34659 35316 35478 38259 39676 39858 41202 41391 42924 44226 46212 46501 47628 47742 48069 50063 51012 51246 51597 52974 53914 55188 55699 59514 59787 61803 64092 64386 68796 69318 69433 70956 71613 76518 76869 79716 80871 82404 82782 88452 89271 93002 95484 96138 96579 100126 102492 103194 103441 103977 105948 107828 111398 114777 119028 119574 123606 124173 128772 138636 138866 139503 143226 144207 150189 153036 153738 154791 161742 165564 167097 178542 179361 185409 186004 188699 192276 193158 200252 206388 206882 207954 208299 214839 222796 229554 230607 239148 242613 247212 248346 267813 277732 279006 281123 286452 288414 289737 300378 307476 309582 310323 311931 323484 334194 344331 350441 357084 358722 370818 377398 386316 389893 413764 415908 416598 418509 419759 429678 432621 450567 459108 461214 485226 496692 501291 535626 538083 558012 562246 566097 576828 579474 600756 619164 620646 623862 624897 644517 668388 688662 700882 717444 724087 727839 741636 754796 779786 803439 833196 837018 839518 843369 859356 865242 869211 901134 922428 930969 935793 970452 1002582 1051323 1071252 1076166 1124492 1132194 1158948 1169679 1241292 1247724 1249794 1255527 1259277 1289034 1297863 1351701 1377324 1401764 1448174 1455678 1503873 1559572 1606878 1614249 1674036 1679036 1686738 1698291 1730484 1738422 1802268 1861938 1871586 1874691 1933551 1967861 2005164 2102646 2152332 2172261 2183517 2264388 2339358 2410317 2453087 2499588 2511054 2518554 2530107 2578068 2595726 2703402 2792907 2896348 2911356 2938313 3007746 3153969 3213756 3228498 3373476 3396582 3476844 3509037 3654599 3723876 3743172 3749382 3766581 3777831 3867102 3935722 4055103 4205292 4344522 4367034 4511619 4678716 4820634 4906174 5022108 5037108 5060214 5068609 5094873 5191452 5406804 5456867 5585814 5624073 5876626 5903583 6015492 6307938 6456996 6516783 6550551 6793164 7018074 7309198 7359261 7498764 7533162 7555662 7590321 7734204 7871444 8110206 8378721 8689044 8734068 8814939 9023238 9461907 9641268 9812348 10120428 10137218 10189746 10527111 10913734 10963797 11171628 11248146 11299743 11333493 11753252 11807166 12165309 12615876 13033566 13101102 13534857 13775027 14036148 14618396 14718522 15066324 15111324 15180642 15205827 15284619 16220412 16370601 16757442 16872219 17629878 17710749 18046476 18923814 19550349 20274436 20379492 20568191 21054222 21827468 21927594 22077783 22496292 22599486 22666986 22770963 23614332 24330618 25136163 25582193 26067132 26202204 26444817 27069714 27550054 28385721 29437044 30361284 30411654 30569238 30642407 31581333 32741202 32891391 33514884 33744438 34000479 35259756 35421498 37847628 38198069 39100698 41136382 41325081 42108444 43855188 44155566 45198972 45333972 45541926 45617481 45853857 48661236 49111803 50272326 51164386 52889634 53132247 54139428 55100108 56771442 58651047 60823308 61138476 61284814 61704573 63162666 65482404 65782782 66233349 67488876 68000958 68312889 70842996 76396138 76746579 78201396 79334451 82272764 82650162 85157163 88311132 91083852 91234962 91707714 91927221 94743999 98223606 98674173 100544652 102001437 102328772 105779268 106264494 113542884 114594207 117302094 122569628 123409146 123975243 126325332 131565564 132466698 136001916 136625778 136852443 147335409 152792276 153493158 158668902 159396741 165300324 170314326 175953141 179075351 182469924 183415428 183854442 185113719 189487998 196447212 197348346 198700047 204002874 212528988 214496849 229188414 230239737 234604188 238003353 246818292 247950486 264933396 267386483 273251556 273704886 275781663 294670818 296022519 306986316 317337804 318793482 340628652 343782621 351906282 358150702 367708884 370227438 371925729 378975996 394696692 397400094 398351291 408005748 410557329 428993698 442006227 458376828 460479474 476006706 478190223 495900972 534772966 537226053 547409772 551563326 555341157 589341636 592045038 596100141 637586964 643490547 687565242 690719211 703812564 714010059 716301404 740454876 743851458 794800188 796702582 802159449 821114658 827344989 857987396 884012454 888067557 920958948 952013412 956380446 1031347863 1069545932 1074452106 1103126652 1110682314 1115777187 1184090076 1192200282 1195053873 1231671987 1286981094 1326018681 1375130484 1381438422 1428020118 1487702916 1501477943 1593405164 1604318898 1611678159 1642229316 1654689978 1666023471 1768024908 1776135114 1912760892 1930471641 2062695726 2072157633 2148904212 2221364628 2231554374 2384400564 2390107746 2406478347 2463343974 2482034967 2573962188 2652037362 2762876844 2788459037 2856040236 3002955886 3094043589 3208637796 3223356318 3309379956 3332046942 3347331561 3552270228 3585161619 3860943282 4125391452 4144315266 4463108748 4504433829 4780215492 4812956694 4835034477 4926687948 4964069934 4998070413 5304074724 5576918074 5791414923 6005911772 6188087178 6216472899 6446712636 6664093884 6694663122 7170323238 7219435041 7446104901 7721886564 8288630532 8365377111 9008867658 9282130767 9625913388 9670068954 9928139868 9996140826 10755484857 11153836148 11582829846 12376174356 12432945798 13389326244 13513301487 14340646476 14438870082 14505103431 14892209802 16730754222 17374244769 18017735316 18564261534 19340137908 19519213259 19992281652 21510969714 21658305123 23165659692 24865891596 25096131333 27026602974 28877740164 29010206862 29784419604 32266454571 33461508444 34748489538 37128523068 39038426518 40539904461 43021939428 43316610246 43515310293 50192262666 52122734307 54053205948 58020413724 58557639777 64532909142 64974915369 69496979076 75288393999 78076853036 81079808922 86633220492 87030620586 96799363713 100384525332 104245468614 117115279554 121619713383 129065818284 129949830738 150576787998 162159617844 174061241172 175672919331 193598727426 208490937228 225865181997 234230559108 243239426766 259899661476 301153575996 351345838662 364859140149 387197454852 451730363994 486478853532 527018757993 677595545991 702691677324 729718280298 903460727988 1054037515986 1355191091982 1459436560596 1581056273979 2108075031972 2710382183964 3162112547958 4743168821937 6324225095916 9486337643874 18972675287748
• Sum of all divisors σ(n): 63754816245120
• Sum of proper divisors (its aliquot sum) s(n): 44782140957372
• 18972675287748 is an abundant number, because the sum of its proper divisors (44782140957372) is greater than itself. Its abundance is 25809465669624

Bases of 18972675287748

• Binary: 100010100000101101011100100100010101011000100₂
• Hexadecimal: 0x11416B922AC4
• Base-36: 6Q3XD0890

Squares and roots of 18972675287748

• 18972675287748 squared (18972675287748²) is 359962407574323654598911504
• 18972675287748 cubed (18972675287748³) is 6829449874703643898213886282680787452992
• The square root of 18972675287748 is 4355763.4563584833
• The cube root of 18972675287748 is 26671.2185418817

Scales and comparisons

• 18,972,675,287,748 seconds is equal to 603,272 years, 20 weeks, 1 day, 3 hours, 55 minutes, 48 seconds.
• To count from 1 to 18,972,675,287,748 would take you about one million, five hundred eight thousand, one hundred eighty 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 18972675287748 cubic inches would be around 2222.6 feet tall.

Recreational maths with 18972675287748

• 18972675287748 backwards is 84778257627981
• 18972675287748 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18972675287748's digits is 81
• More coming soon!