78431545994490

Names of 78431545994490

• Cardinal: 78431545994490 can be written as Seventy-eight trillion, four hundred thirty-one billion, five hundred forty-five million, nine hundred ninety-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 7.843154599449 × 10¹³

Factors of 78431545994490

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 58971

Divisors of 78431545994490

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 31 39 45 54 61 62 65 67 78 81 90 93 117 122 130 134 135 155 162 183 186 195 201 234 270 279 305 310 335 351 366 390 402 403 405 465 549 558 585 603 610 670 702 793 806 810 837 871 915 930 1005 1053 1098 1170 1206 1209 1395 1586 1647 1674 1742 1755 1809 1830 1891 2010 2015 2077 2106 2379 2418 2511 2613 2745 2790 3015 3294 3510 3618 3627 3782 3965 4030 4087 4154 4185 4355 4758 4941 5022 5226 5265 5427 5490 5673 6030 6045 6231 7137 7254 7839 7930 8174 8235 8370 8710 9045 9455 9882 10385 10530 10854 10881 11346 11895 12090 12261 12462 12555 13065 14274 15678 16470 17019 18090 18135 18693 18910 20435 20770 21411 21762 23517 23790 24522 24583 24705 25110 26130 27001 27135 28365 31155 32643 34038 35685 36270 36783 37386 39195 40870 42822 47034 49166 49410 51057 53131 54002 54270 54405 56079 56730 58789 61305 62310 64233 65286 70551 71370 73566 73749 78390 81003 85095 93465 102114 106262 107055 108810 110349 112158 117578 117585 122610 122915 126697 128466 135005 141102 147498 153171 159393 162006 163215 168237 170190 176367 183915 186930 214110 220698 221247 235170 243009 245830 253394 255285 265655 270010 280395 293945 306342 318786 321165 326430 331047 336474 352734 352755 367830 368745 380091 405015 442494 478179 486018 510570 529101 531310 551745 560790 587890 633485 642330 662094 663741 705510 729027 737490 760182 764257 765855 796965 810030 841185 881835 956358 1058202 1103490 1106235 1140273 1215045 1266970 1327482 1434537 1458054 1528514 1531710 1587303 1593930 1647061 1655235 1682370 1763670 1822459 1900455 1991223 2187081 2212470 2280546 2292771 2390895 2430090 2645505 2869074 3174606 3294122 3310470 3318705 3420819 3586129 3644918 3645135 3800910 3821285 3938863 3982446 4303611 4374162 4585542 4761909 4781790 4941183 5291010 5467377 5701365 6637410 6841638 6878313 7172258 7172685 7290270 7642570 7877726 7936515 8235305 8607222 9112295 9523818 9882366 9956115 10262457 10758387 10934754 10935405 11402730 11463855 11816589 13756626 14345370 14823549 15873030 16402131 16470610 17104095 17930645 18224590 19694315 19912230 20524914 20634939 21516774 21518055 21870810 22927710 23633178 23691967 23809545 24705915 27336885 29647098 32275161 32804262 34208190 34391565 35449767 35861290 39388630 41269878 43036110 44470647 46619677 47383934 47619090 49206393 49411830 51205219 51312285 53791935 54673770 59082945 61904817 64550322 68783130 70899534 71075901 74117745 82010655 88941294 93239354 96825483 98412786 102410438 102624570 103174695 106349301 107583870 111169999 118165890 118459835 122104753 123809634 133411941 139859031 142151802 147619179 148235490 153615657 161375805 164021310 177248835 193650966 206349390 212698602 213227703 222339998 222353235 233098385 236919670 240270643 244209506 246031965 256026095 266823882 279718062 290476449 295238358 307231314 309524085 319047903 322751610 333509997 354497670 355379505 366314259 419577093 426455406 444706470 460846971 466196770 480541286 484127415 492063930 512052190 531746505 555849995 580952898 610523765 619048170 638095806 639683109 667019994 667059705 699295155 710759010 720811929 732628518 738095895 768078285 839154186 921693942 968254830 1000529991 1063493010 1066138515 1098942777 1111699990 1201353215 1221047530 1258731279 1279366218 1334119410 1382540913 1398590310 1441623858 1445209987 1452382245 1476191790 1536156570 1587361789 1595239515 1667549985 1831571295 1919049327 2001059982 2097885465 2132277030 2162435787 2197885554 2304234855 2402706430 2517462558 2765081826 2890419974 2904764490 3001589973 3123518359 3174723578 3190479030 3198415545 3296828331 3335099970 3604059645 3663142590 3776193837 3838098654 4147622739 4195770930 4324871574 4335629961 4608469710 4762085367 5002649955 5494713885 6003179946 6247036718 6293656395 6396831090 6487307361 6593656662 6912704565 7208119290 7226049935 7448389933 7552387674 7936808945 8295245478 8671259922 9004769919 9370555077 9524170734 9595246635 9890484993 10005299910 10812178935 10989427770 12587312790 12974614722 13006889883 13825409130 14286256101 14452099870 14896779866 15007949865 15617591795 15873617890 16484141655 18009539838 18741110154 18880969185 19190493270 19461922083 19780969986 20738113695 21624357870 21678149805 22345169799 23810426835 26013779766 28111665231 28572512202 30015899730 31235183590 32436536805 32968283310 37241949665 37761938370 38923844166 39020669649 41476227390 42858768303 43356299610 44690339598 45023849595 46852775385 47620853670 49452424965 56223330462 64873073610 65034449415 67035509397 71431280505 74483899330 78041339298 84334995693 85717536606 90047699190 93705550770 96829069129 97309610415 98904849930 111725848995 117062008947 128576304909 130068898830 134071018794 140558326155 142862561010 168669991386 193658138258 194619220830 195103348245 201106528191 214293841515 223451697990 234124017894 253004987079 257152609818 281116652310 290487207387 335177546985 390206696490 402213056382 421674978465 428587683030 484145345645 506009974158 580974414774 585310044735 603319584573 642881524545 670355093970 843349956930 871461622161 968290691290 1005532640955 1170620089470 1206639169146 1265024935395 1285763049090 1452436036935 1742923244322 2011065281910 2530049870790 2614384866483 2904872073870 3016597922865 4357308110805 5228769732966 6033195845730 7843154599449 8714616221610 13071924332415 15686309198898 26143848664830 39215772997245 78431545994490
• Sum of all divisors σ(n): 241846580828160
• Sum of proper divisors (its aliquot sum) s(n): 163415034833670
• 78431545994490 is an abundant number, because the sum of its proper divisors (163415034833670) is greater than itself. Its abundance is 84983488839180

Bases of 78431545994490

• Binary: 10001110101010101000100011100000010110011111010₂
• Hexadecimal: 0x475544702CFA
• Base-36: RSUYDFXMI

Squares and roots of 78431545994490

• 78431545994490 squared (78431545994490²) is 6151507407085800363110360100
• 78431545994490 cubed (78431545994490³) is 482472236134295871313064151258976515849000
• The square root of 78431545994490 is 8856158.6477710527
• The cube root of 78431545994490 is 42805.2388982793

Scales and comparisons

• 78,431,545,994,490 seconds is equal to 2,493,880 years, 29 weeks, 2 hours, 1 minute, 30 seconds.
• To count from 1 to 78,431,545,994,490 would take you about six million, two hundred thirty-four thousand, seven 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 78431545994490 cubic inches would be around 3567.1 feet tall.

Recreational maths with 78431545994490

• 78431545994490 backwards is 09449954513487
• The number of decimal digits it has is: 14
• The sum of 78431545994490's digits is 72
• More coming soon!