81529797030240

Names of 81529797030240

• Cardinal: 81529797030240 can be written as Eighty-one trillion, five hundred twenty-nine billion, seven hundred ninety-seven million, thirty thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.152979703024 × 10¹³

Factors of 81529797030240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19967

Divisors of 81529797030240

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 32 38 39 40 48 52 57 60 65 76 78 80 95 96 104 114 120 130 137 152 156 160 190 195 208 228 240 247 257 260 274 285 304 312 380 390 411 416 456 480 494 514 520 548 570 608 624 685 741 760 771 780 822 912 988 1028 1040 1096 1140 1235 1248 1285 1370 1482 1520 1542 1560 1644 1781 1824 1976 2055 2056 2080 2192 2280 2470 2570 2603 2740 2964 3040 3084 3120 3288 3341 3562 3705 3855 3952 4110 4112 4384 4560 4883 4940 5140 5206 5343 5480 5928 6168 6240 6576 6682 7124 7410 7710 7809 7904 8220 8224 8905 9120 9766 9880 10023 10280 10412 10686 10960 11856 12336 13015 13152 13364 14248 14649 14820 15420 15618 16440 16705 17810 19531 19532 19760 20046 20560 20824 21372 21920 23712 24415 24672 26030 26715 26728 28496 29298 29640 30840 31236 32880 33410 33839 35209 35620 39045 39062 39064 39520 40092 41120 41648 42744 48830 50115 52060 53430 53456 56992 58593 58596 59280 61680 62472 63479 65760 66820 67678 70418 71240 73245 78090 78124 78128 80184 83296 85488 97655 97660 100230 101517 104120 105627 106860 106912 117186 117192 118560 123360 124944 126958 133640 135356 140836 142480 146490 156180 156248 156256 160368 169195 170976 176045 190437 195310 195320 200460 203034 208240 211254 213720 234372 234384 249888 253903 253916 267280 270712 281672 284960 292965 292980 312360 312496 317395 320736 338390 352090 371089 380874 390620 390640 400920 406068 416480 422508 427440 457717 468744 468768 507585 507806 507832 528135 534560 541424 563344 585930 585960 624720 624992 634790 668971 676780 704180 742178 761709 761748 781240 781280 801840 812136 845016 854880 915434 937488 952185 1015170 1015612 1015664 1056270 1082848 1113267 1126688 1171860 1171920 1249440 1269515 1269580 1337942 1353560 1373151 1408360 1484356 1523418 1523496 1562480 1603680 1624272 1690032 1830868 1855445 1874976 1904370 2006913 2030340 2031224 2031328 2112540 2226534 2288585 2343720 2343840 2539030 2539160 2675747 2675884 2707120 2746302 2816720 2968712 3046836 3046992 3124960 3248544 3344855 3380064 3661736 3710890 3808545 3808740 4013826 4060680 4062448 4225080 4453068 4577170 4687440 4824157 5019467 5078060 5078320 5351494 5351768 5414240 5492604 5566335 5633440 5937424 6093672 6093984 6689710 6865755 7323472 7421780 7617090 7617480 8027241 8027652 8121360 8124896 8450160 8696623 8906136 9154340 9374880 9648314 10034565 10038934 10156120 10156640 10702988 10703536 10985208 11132670 11874848 12187344 13378735 13379420 13731510 14472471 14646944 14843560 15058401 15234180 15234960 16054482 16055304 16242720 16900320 17393246 17812272 18308680 19296628 20069130 20077868 20312240 21405976 21407072 21970416 22265340 24120785 24374688 25097335 26089869 26757470 26758840 27463020 28944942 29687120 30116802 30468360 30469920 32108964 32110608 34784711 34786492 35624544 36617360 38593256 40136205 40138260 40155736 40624480 42811952 43483115 43940832 44530680 48241570 50194670 50839193 52179738 53514940 53517680 54926040 57889884 59374240 60233604 60936720 64217928 64221216 65253071 69569422 69572984 72362355 73234720 75292005 77186512 80272410 80276520 80311472 85623904 86966230 89061360 95369873 96483140 100389340 101678386 104354133 104359476 107029880 107035360 109852080 115779768 120467208 121873440 128435856 130449345 130506142 139138844 139145968 144724710 150584010 152517579 154373024 160544820 160553040 160622944 173923555 173932460 178122720 190739746 192966280 195759213 200778680 203356772 208708266 208718952 214059760 219704160 231559536 240934416 254195965 256871712 260898690 261012284 278277688 278291936 286109619 289449420 301168020 305035158 321089640 321106080 326265355 347847110 347864920 381479492 385932560 391518426 401557360 406713544 417416532 417437904 428119520 463119072 476849365 481868832 508391930 521770665 521797380 522024568 556555376 572219238 578898840 602336040 610070316 642179280 652530710 660909509 687666979 695694220 695729840 762587895 762958984 771865120 783036852 803114720 813427088 834833064 834875808 953698730 978796065 1016783860 1043541330 1043594760 1044049136 1113110752 1144438476 1157797680 1204672080 1220140632 1239808349 1284358560 1305061420 1321819018 1375333958 1391388440 1391459680 1430548095 1525175790 1525917968 1566073704 1626854176 1669666128 1907397460 1957592130 1982728527 2033567720 2063000937 2087082660 2087189520 2088098272 2288876952 2315595360 2409344160 2440281264 2479616698 2610122840 2643638036 2750667916 2782776880 2861096190 3050351580 3051835936 3132147408 3304547545 3339332256 3438334895 3719425047 3814794920 3915184260 3965457054 4067135440 4126001874 4174165320 4174379040 4577753904 4880562528 4959233396 5220245680 5287276072 5501335832 5565553760 5722192380 6100703160 6199041745 6264294816 6609095090 6876669790 7438850094 7629589840 7830368520 7930914108 8134270880 8252003748 8348330640 8939670727 9155507808 9913642635 9918466792 10315004685 10440491360 10574552144 11002671664 11444384760 12201406320 12398083490 13065672601 13218190180 13753339580 14877700188 15259179680 15660737040 15861828216 16504007496 16696661280 17879341454 18597125235 19827285270 19836933584 20630009370 21149104288 22005343328 22888769520 24402812640 24796166980 26131345202 26436380360 26819012181 27506679160 29755400376 31321474080 31723656432 33008014992 35758682908 37194250470 39197017803 39654570540 39673867168 41260018740 44698353635 45777539040 49592333960 52262690404 52872760720 53638024362 55013358320 59510800752 63447312864 65328363005 66016029984 71517365816 74388500940 78394035606 79309141080 82520037480 89396707270 99184667920 104525380808 105745521440 107276048724 110026716640 119021601504 130656726010 134095060905 143034731632 148777001880 156788071212 158618282160 165040074960 169853743813 178793414540 195985089015 198369335840 209050761616 214552097448 261313452020 268190121810 286069463264 297554003760 313576142424 317236564320 330080149920 339707487626 357586829080 391970178030 418101523232 429104194896 509561231439 522626904040 536380243620 595108007520 627152284848 679414975252 715173658160 783940356060 849268719065 858208389792 1019122462878 1045253808080 1072760487240 1254304569696 1358829950504 1430347316320 1567880712120 1698537438130 2038244925756 2090507616160 2145520974480 2547806157195 2717659901008 3135761424240 3397074876260 4076489851512 4291041948960 5095612314390 5435319802016 6271522848480 6794149752520 8152979703024 10191224628780 13588299505040 16305959406048 20382449257560 27176599010080 40764898515120 81529797030240
• Sum of all divisors σ(n): 294411879982080
• Sum of proper divisors (its aliquot sum) s(n): 212882082951840
• 81529797030240 is an abundant number, because the sum of its proper divisors (212882082951840) is greater than itself. Its abundance is 131352285921600

Bases of 81529797030240

• Binary: 10010100010011010100010100101110011000101100000₂
• Hexadecimal: 0x4A26A2973160
• Base-36: SWE9S44TC

Squares and roots of 81529797030240

• 81529797030240 squared (81529797030240²) is 6647107803792131123474457600
• 81529797030240 cubed (81529797030240³) is 541937350081296820680928507986974797824000
• The square root of 81529797030240 is 9029385.1966919653
• The cube root of 81529797030240 is 43361.6154610865

Scales and comparisons

• 81,529,797,030,240 seconds is equal to 2,592,395 years, 18 weeks, 4 days, 1 hour, 44 minutes.
• To count from 1 to 81,529,797,030,240 would take you about six million, four hundred eighty thousand, nine hundred eighty-eight 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 81529797030240 cubic inches would be around 3613.5 feet tall.

Recreational maths with 81529797030240

• 81529797030240 backwards is 04203079792518
• 81529797030240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81529797030240's digits is 57
• More coming soon!