81424370830320

Names of 81424370830320

• Cardinal: 81424370830320 can be written as Eighty-one trillion, four hundred twenty-four billion, three hundred seventy million, eight hundred thirty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.142437083032 × 10¹³

Factors of 81424370830320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 496

Divisors of 81424370830320

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 49 54 56 60 63 70 72 80 84 90 98 105 108 112 120 126 135 140 144 147 168 180 189 196 210 216 240 245 252 270 280 294 315 336 343 360 378 392 420 432 441 479 490 504 540 560 588 630 686 720 735 756 784 840 882 945 958 980 1008 1029 1080 1176 1260 1323 1372 1437 1470 1512 1680 1715 1764 1890 1916 1960 2058 2160 2205 2352 2395 2520 2646 2744 2874 2940 3024 3087 3353 3430 3528 3780 3832 3920 4116 4311 4410 4790 5040 5145 5292 5488 5748 5880 6174 6615 6706 6860 7056 7185 7560 7664 8232 8622 8820 9261 9580 10059 10290 10584 11496 11760 12348 12933 13230 13412 13720 14370 15120 15435 16464 16765 17244 17640 18522 19160 20118 20580 21168 21555 22992 23471 24696 25866 26460 26824 27440 28740 30177 30870 33530 34488 35280 37044 38320 40236 41160 43110 46305 46942 49392 50295 51732 52920 53648 57480 60354 61740 64665 67060 68976 70413 74088 80472 82320 86220 90531 92610 93884 100590 103464 105840 114960 117355 120708 123480 129330 134120 140826 148176 150885 160944 164297 172440 181062 185220 187768 201180 206928 211239 229441 234710 241416 246960 258660 268240 281652 301770 328594 344880 352065 362124 370440 375536 402360 422478 452655 458882 469420 482832 492891 517320 563304 603540 633717 657188 688323 704130 724248 740880 804720 821485 844956 905310 917764 938840 985782 1034640 1056195 1126608 1147205 1207080 1267434 1314376 1376646 1408260 1448496 1478673 1606087 1642970 1689912 1810620 1835528 1877680 1971564 2064969 2112390 2294410 2414160 2464455 2534868 2628752 2753292 2816520 2957346 3168585 3212174 3285940 3379824 3441615 3621240 3671056 3943128 4129938 4224780 4436019 4588820 4818261 4928910 5069736 5506584 5633040 5914692 6194907 6337170 6424348 6571880 6883230 7242480 7393365 7886256 8030435 8259876 8449560 8872038 9177640 9636522 9857820 10139472 10324845 11013168 11242609 11829384 12389814 12674340 12848696 13143760 13766460 14454783 14786730 16060870 16519752 16899120 17744076 18355280 19273044 19715640 20649690 22180095 22485218 23658768 24091305 24779628 25348680 25697392 27532920 28909566 29573460 30974535 32121740 33039504 33727827 35488152 38546088 39431280 41299380 43364349 44360190 44970436 48182610 49559256 50697360 55065840 56213045 57819132 59146920 61949070 64243480 67455654 70976304 72273915 77092176 78698263 82598760 86728698 88720380 89940872 96365220 99118512 101183481 109902239 112426090 115638264 118293840 123898140 128486960 134911308 144547830 157396526 165197520 168639135 173457396 177440760 179881744 192730440 202366962 216821745 219804478 224852180 231276528 236094789 247796280 269822616 289095660 303550443 314793052 329706717 337278270 346914792 354881520 385460880 393491315 404733924 433643490 439608956 449704360 472189578 495592560 505917405 539645232 549511195 578191320 607100886 629586104 659413434 674556540 693829584 708284367 769315673 786982630 809467848 867286980 879217912 899408720 944379156 989120151 1011834810 1099022390 1156382640 1180473945 1214201772 1259172208 1318826868 1349113080 1416568734 1517752215 1538631346 1573965260 1618935696 1648533585 1734573960 1758435824 1888758312 1978240302 2023669620 2124853101 2198044780 2307947019 2360947890 2428403544 2637653736 2698226160 2833137468 2967360453 3035504430 3077262692 3147930520 3297067170 3469147920 3541421835 3777516624 3846578365 3956480604 4047339240 4249706202 4396089560 4615894038 4721895780 4856807088 4945600755 5275307472 5385209711 5666274936 5934720906 6071008860 6154525384 6295861040 6594134340 6923841057 7082843670 7693156730 7912961208 8094678480 8499412404 8792179120 9231788076 9443791560 9891201510 10624265505 10770419422 11332549872 11539735095 11869441812 12142017720 12309050768 13188268680 13847682114 14165687340 14836802265 15386313460 15825922416 16155629133 16998824808 18463576152 18887583120 19782403020 20771523171 21248531010 21540838844 23079470190 23738883624 24284035440 26376537360 26926048555 27695364228 28331374680 29673604530 30772626920 32311258266 33997649616 34619205285 36927152304 37696467977 39564806040 41543046342 42497062020 43081677688 46158940380 47477767248 48466887399 53852097110 55390728456 56662749360 59347209060 61545253840 64622516532 69238410570 75392935954 79129612080 80778145665 83086092684 84994124040 86163355376 92317880760 96933774798 103857615855 107704194220 110781456912 113089403931 118694418120 129245033064 138476821140 145400662197 150785871908 161556291330 166172185368 169988248080 184635761520 188482339885 193867549596 207715231710 215408388440 226178807862 237388836240 242334436995 258490066128 276953642280 290801324394 301571743816 323112582660 332344370736 339268211793 376964679770 387735099192 415430463420 430816776880 452357615724 484668873990 553907284560 565447019655 581602648788 603143487632 646225165320 678536423586 727003310985 753929359540 775470198384 830860926840 904715231448 969337747980 1017804635379 1130894039310 1163205297576 1292450330640 1357072847172 1454006621970 1507858719080 1661721853680 1696341058965 1809430462896 1938675495960 2035609270758 2261788078620 2326410595152 2714145694344 2908013243940 3015717438160 3392682117930 3877350991920 4071218541516 4523576157240 5089023176895 5428291388688 5816026487880 6785364235860 8142437083032 9047152314480 10178046353790 11632052975760 13570728471720 16284874166064 20356092707580 27141456943440 40712185415160 81424370830320
• Sum of all divisors σ(n): 327753308160000
• Sum of proper divisors (its aliquot sum) s(n): 246328937329680
• 81424370830320 is an abundant number, because the sum of its proper divisors (246328937329680) is greater than itself. Its abundance is 164904566499360

Bases of 81424370830320

• Binary: 10010100000111000010110101100110000101111110000₂
• Hexadecimal: 0x4A0E16B30BF0
• Base-36: SV1U82SC0

Squares and roots of 81424370830320

• 81424370830320 squared (81424370830320²) is 6629928165113466486231302400
• 81424370830320 cubed (81424370830320³) is 539837729494581941214510965047063008768000
• The square root of 81424370830320 is 9023545.3581350163
• The cube root of 81424370830320 is 43342.9170940615

Scales and comparisons

• 81,424,370,830,320 seconds is equal to 2,589,043 years, 6 weeks, 5 days, 10 hours, 12 minutes.
• To count from 1 to 81,424,370,830,320 would take you about six million, four hundred seventy-two thousand, six hundred seven 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 81424370830320 cubic inches would be around 3611.9 feet tall.

Recreational maths with 81424370830320

• 81424370830320 backwards is 02303807342418
• 81424370830320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81424370830320's digits is 45
• More coming soon!