81226422428800

Names of 81226422428800

• Cardinal: 81226422428800 can be written as Eighty-one trillion, two hundred twenty-six billion, four hundred twenty-two million, four hundred twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 8.12264224288 × 10¹³

Factors of 81226422428800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1008

Divisors of 81226422428800

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 113 128 160 176 181 200 220 226 257 275 320 352 362 400 439 440 452 514 550 565 640 704 724 800 878 880 904 905 1028 1100 1130 1243 1285 1408 1448 1600 1756 1760 1808 1810 1991 2056 2195 2200 2260 2486 2570 2825 2827 2896 3200 3512 3520 3616 3620 3982 4112 4390 4400 4520 4525 4829 4972 5140 5650 5654 5792 6215 6425 7024 7040 7232 7240 7964 8224 8780 8800 9040 9050 9658 9944 9955 10280 10975 11300 11308 11584 12430 12850 14048 14135 14464 14480 15928 16448 17560 17600 18080 18100 19316 19888 19910 20453 20560 21950 22600 22616 23168 24145 24860 25700 28096 28270 28960 29041 31075 31856 32896 35120 35200 36160 36200 38632 39776 39820 40906 41120 43900 45200 45232 46517 48290 49607 49720 49775 51400 56192 56540 57920 58082 62150 63712 70240 70675 72320 72400 77264 79459 79552 79640 81812 82240 87800 90400 90464 93034 96580 99214 99440 99550 102265 102800 112823 113080 115840 116164 120725 124300 127424 140480 141350 144800 145205 154528 158918 159104 159280 163624 164480 175600 180800 180928 186068 193160 198428 198880 199100 204530 205600 224983 225646 226160 232328 232585 241450 248035 248600 254848 280960 282700 289600 290410 309056 317836 318560 319451 327248 351200 361600 361856 372136 386320 396856 397295 397760 398200 409060 411200 449966 451292 452320 464656 465170 482900 496070 497200 511325 511687 545677 564115 565400 579200 580820 618112 635672 637120 638902 654496 702400 726025 744272 772640 793712 794590 795520 796400 818120 822400 874049 899932 902584 904640 929312 930340 965800 992140 994400 1022650 1023374 1091354 1124915 1128230 1130800 1161640 1162925 1240175 1241053 1271344 1274240 1277804 1308992 1404800 1452050 1488544 1545280 1587424 1589180 1592800 1597255 1636240 1748098 1799864 1805168 1809280 1858624 1860680 1931600 1984280 1986475 1988800 2045300 2046748 2182708 2249830 2256460 2261600 2323280 2325850 2480350 2482106 2542688 2555608 2558435 2617984 2728385 2820575 2904100 2977088 3090560 3174848 3178360 3185600 3194510 3272480 3496196 3599728 3610336 3717248 3721360 3863200 3968560 3972950 3977600 4090600 4093496 4365416 4370245 4499660 4512920 4523200 4646560 4651700 4960700 4964212 5085376 5111216 5116870 5256421 5456770 5624575 5641150 5808200 5954176 6205265 6349696 6356720 6371200 6389020 6544960 6992392 7199456 7220672 7442720 7726400 7937120 7945900 7986275 8181200 8186992 8730832 8740490 8978867 8999320 9025840 9046400 9293120 9303400 9921400 9928424 10170752 10222432 10233740 10512842 10913540 11249150 11282300 11616400 12410530 12713440 12748999 12778040 12792175 13089920 13641925 13984784 14398912 14441344 14885440 15452800 15874240 15891800 15972550 16362400 16373984 17461664 17480980 17957734 17998640 18051680 18586240 18606800 19842800 19856848 20420963 20444864 20467480 21025684 21827080 21851225 22498300 22564600 23232800 24821060 25426880 25497998 25556080 25584350 26282105 27283850 27969568 28797824 29770880 31026325 31748480 31783600 31945100 32724800 32747968 34923328 34961960 35915468 35997280 36103360 37213600 39685600 39713696 40841926 40889728 40934960 42051368 43654160 43702450 44894335 44996600 45129200 46465600 49642120 50853760 50995996 51112160 51168700 52564210 54567700 55939136 57820631 62052650 63567200 63744995 63890200 65449600 65495936 69846656 69923920 71830936 71994560 72206720 74427200 79371200 79427392 81683852 81869920 84102736 87308320 87404900 89788670 89993200 90258400 92931200 98767537 99284240 101991992 102104815 102224320 102337400 105128420 109135400 111878272 115641262 124105300 127134400 127489990 127780400 131410525 139847840 140238989 143661872 143989120 148854400 158742400 158854784 163367704 163739840 168205472 174616640 174809800 179577340 179986400 180516800 197535074 198568480 203983984 204209630 204448640 204674800 210256840 218270800 224471675 224630593 231282524 248210600 254268800 254979980 255560800 262821050 279695680 280477978 287323744 289103155 318724975 326735408 327479680 336410944 349233280 349619600 359154680 359972800 361033600 395070148 397136960 407967968 408419260 409349600 420513680 436541600 448943350 449261186 462565048 493837685 496421200 509959960 510524075 511121600 525642100 559391360 560955956 574647488 578206310 637449950 653470816 672821888 699239200 701194945 718309360 719945600 790140296 794273920 815935936 816838520 818699200 841027360 873083200 897886700 898522372 925130096 987675370 992842400 1019919920 1021048150 1022243200 1051284200 1121911912 1123152965 1149294976 1156412620 1274899900 1306941632 1398478400 1402389890 1436618720 1445515775 1580280592 1631871872 1633677040 1637398400 1682054720 1746166400 1795773400 1797044744 1850260192 1975350740 1985684800 2039839840 2042096300 2102568400 2243823824 2246305930 2307568819 2312825240 2469188425 2549799800 2613883264 2796956800 2804779780 2873237440 2891031550 3160561184 3267354080 3364109440 3505974725 3591546800 3594089488 3700520384 3950701480 3971369600 4079679680 4084192600 4205136800 4487647648 4492611860 4615137638 4625650480 4938376850 5099599600 5609559560 5615764825 5746474880 5782063100 6321122368 6534708160 7011949450 7183093600 7188178976 7401040768 7901402960 8159359360 8168385200 8410273600 8975295296 8985223720 9230275276 9251300960 9876753700 10199199200 11219119120 11231529650 11537844095 11564126200 12642244736 13069416320 14023898900 14366187200 14376357952 15802805920 16336770400 16820547200 17950590592 17970447440 18460550552 18502601920 19753507400 20398398400 22438238240 22463059300 23075688190 23128252400 25383257009 28047797800 28732374400 28752715904 31605611840 32673540800 35940894880 36921101104 37005203840 39507014800 40796796800 44876476480 44926118600 46151376380 46256504800 50766514018 56095595600 57689220475 63211223680 65347081600 71881789760 73842202208 79014029600 89752952960 89852237200 92302752760 92513009600 101533028036 112191191200 115378440950 126916285045 143763579520 147684404416 158028059200 179704474400 184605505520 185026019200 203066056072 224382382400 230756881900 253832570090 295368808832 316056118400 359408948800 369211011040 406132112144 448764764800 461513763800 507665140180 634581425225 718817897600 738422022080 812264224288 923027527600 1015330280360 1269162850450 1476844044160 1624528448576 1846055055200 2030660560720 2538325700900 3249056897152 3692110110400 4061321121440 5076651401800 7384220220800 8122642242880 10153302803600 16245284485760 20306605607200 40613211214400 81226422428800
• Sum of all divisors σ(n): 223424987385600
• Sum of proper divisors (its aliquot sum) s(n): 142198564956800
• 81226422428800 is an abundant number, because the sum of its proper divisors (142198564956800) is greater than itself. Its abundance is 60972142528000

Bases of 81226422428800

• Binary: 10010011110000000000000000011100010010010000000₂
• Hexadecimal: 0x49E0000E2480
• Base-36: SSIWIPK74

Squares and roots of 81226422428800

• 81226422428800 squared (81226422428800²) is 6597731700581863691069440000
• 81226422428800 cubed (81226422428800³) is 535910142183347458926787115474255872000000
• The square root of 81226422428800 is 9012570.2454294357
• The cube root of 81226422428800 is 43307.7653613909

Scales and comparisons

• 81,226,422,428,800 seconds is equal to 2,582,748 years, 51 weeks, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 81,226,422,428,800 would take you about six million, four hundred fifty-six thousand, eight hundred seventy-two 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 81226422428800 cubic inches would be around 3609 feet tall.

Recreational maths with 81226422428800

• 81226422428800 backwards is 00882422462218
• The number of decimal digits it has is: 14
• The sum of 81226422428800's digits is 49
• More coming soon!