81224544352000

Names of 81224544352000

• Cardinal: 81224544352000 can be written as Eighty-one trillion, two hundred twenty-four billion, five hundred forty-four million, three hundred fifty-two thousand.

Scientific notation

• Scientific notation: 8.1224544352 × 10¹³

Factors of 81224544352000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 272

Divisors of 81224544352000

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 31 32 35 40 50 56 62 64 70 80 100 112 124 125 128 140 155 160 175 200 217 224 227 248 250 256 280 310 320 350 400 434 448 454 496 500 560 620 640 700 775 800 868 875 896 908 992 1000 1085 1120 1135 1240 1280 1400 1550 1589 1600 1736 1750 1792 1816 1984 2000 2170 2240 2270 2480 2800 3100 3178 3200 3472 3500 3632 3875 3968 4000 4340 4480 4540 4960 5425 5600 5675 6200 6356 6400 6944 7000 7037 7264 7750 7936 7945 8000 8680 8960 9080 9920 10850 11200 11350 12400 12712 13888 14000 14074 14528 15500 15890 16000 17360 18160 19840 21700 22400 22700 24800 25424 27125 27776 28000 28148 28375 29056 31000 31780 32000 34720 35185 36320 39680 39725 43400 44800 45400 49259 49600 50848 51529 54250 55552 56000 56296 56750 58112 62000 63560 69440 70370 72640 79450 86800 90800 98518 99200 101696 103058 108500 112000 112592 113500 124000 127120 138880 140740 145280 158900 173600 175925 181600 197036 198400 198625 203392 206116 217000 224000 225184 227000 246295 248000 254240 257645 277760 281480 290560 317800 347200 351850 360703 363200 394072 397250 406784 412232 434000 450368 454000 492590 496000 508480 515290 562960 635600 694400 703700 721406 726400 788144 794500 824464 868000 879625 900736 908000 985180 992000 1016960 1030580 1125920 1231475 1271200 1288225 1388800 1407400 1442812 1452800 1576288 1589000 1597399 1648928 1736000 1759250 1801472 1803515 1816000 1970360 2033920 2061160 2251840 2462950 2542400 2576450 2814800 2885624 3152576 3178000 3194798 3297856 3472000 3518500 3607030 3632000 3940720 4122320 4503680 4925900 5084800 5152900 5629600 5771248 6157375 6305152 6356000 6389596 6441125 6595712 6944000 7037000 7214060 7264000 7881440 7986995 8244640 9007360 9017575 9851800 10169600 10305800 11181793 11259200 11542496 11697083 12314750 12610304 12712000 12779192 12882250 13191424 14074000 14428120 15762880 15973990 16489280 18035150 19703600 20611600 22363586 22518400 23084992 23394166 24629500 25424000 25558384 25764500 28148000 28856240 31525760 31947980 32978560 36070300 39407200 39934975 41223200 44727172 45036800 45087875 46169984 46788332 49259000 50848000 51116768 51529000 55908965 56296000 57712480 58485415 63051520 63895960 65957120 72140600 78814400 79869950 81879581 82446400 89454344 90175750 92339968 93576664 98518000 102233536 103058000 111817930 112592000 115424960 116970830 127791920 144281200 157628800 159739900 163759162 164892800 178908688 180351500 187153328 197036000 199674875 204467072 206116000 223635860 225184000 230849920 233941660 255583840 279544825 288562400 292427075 315257600 319479800 327518324 329785600 357817376 360703000 362609573 374306656 394072000 399349750 408934144 409397905 412232000 447271720 461699840 467883320 511167680 559089650 577124800 584854150 638959600 655036648 715634752 721406000 725219146 748613312 788144000 798699500 818795810 824464000 894543440 935766640 1022335360 1118179300 1154249600 1169708300 1277919200 1310073296 1397724125 1431269504 1442812000 1450438292 1462135375 1497226624 1576288000 1597399000 1637591620 1648928000 1789086880 1813047865 1871533280 2044670720 2046989525 2236358600 2308499200 2339416600 2538267011 2555838400 2620146592 2795448250 2862539008 2885624000 2900876584 2924270750 2994453248 3194798000 3275183240 3578173760 3626095730 3743066560 4093979050 4472717200 4678833200 5076534022 5111676800 5240293184 5590896500 5771248000 5801753168 5848541500 6389596000 6550366480 7156347520 7252191460 7486133120 8187958100 8945434400 9065239325 9357666400 10153068044 10223353600 10234947625 10480586368 11181793000 11542496000 11603506336 11697083000 12691335055 12779192000 13100732960 14312695040 14504382920 14972266240 16375916200 17890868800 18130478650 18715332800 20306136088 20469895250 20961172736 22363586000 23207012672 23394166000 25382670110 25558384000 26201465920 29008765840 32751832400 35781737600 36260957300 37430665600 40612272176 40939790500 44727172000 45326196625 46414025344 46788332000 50765340220 51116768000 52402931840 58017531680 63456675275 65503664800 71563475200 72521914600 74861331200 81224544352 81879581000 89454344000 90652393250 92828050688 93576664000 101530680440 104805863680 116035063360 126913350550 131007329600 145043829200 162449088704 163759162000 178908688000 181304786500 187153328000 203061360880 232070126720 253826701100 262014659200 290087658400 317283376375 324898177408 327518324000 357817376000 362609573000 374306656000 406122721760 464140253440 507653402200 524029318400 580175316800 634566752750 649796354816 655036648000 725219146000 812245443520 1015306804400 1160350633600 1269133505500 1310073296000 1450438292000 1624490887040 2030613608800 2320701267200 2538267011000 2620146592000 2900876584000 3248981774080 4061227217600 5076534022000 5801753168000 8122454435200 10153068044000 11603506336000 16244908870400 20306136088000 40612272176000 81224544352000
• Sum of all divisors σ(n): 239762055536640
• Sum of proper divisors (its aliquot sum) s(n): 158537511184640
• 81224544352000 is an abundant number, because the sum of its proper divisors (158537511184640) is greater than itself. Its abundance is 77312966832640

Bases of 81224544352000

• Binary: 10010011101111110010000000111001111011100000000₂
• Hexadecimal: 0x49DF901CF700
• Base-36: SSI1GJUV4

Squares and roots of 81224544352000

• 81224544352000 squared (81224544352000²) is 6597426605190015099904000000
• 81224544352000 cubed (81224544352000³) is 535872969902321174869702158942208000000000
• The square root of 81224544352000 is 9012466.0527515997
• The cube root of 81224544352000 is 43307.4315786393

Scales and comparisons

• 81,224,544,352,000 seconds is equal to 2,582,689 years, 13 weeks, 5 days, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 81,224,544,352,000 would take you about six million, four hundred fifty-six thousand, seven hundred twenty-three 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 81224544352000 cubic inches would be around 3609 feet tall.

Recreational maths with 81224544352000

• 81224544352000 backwards is 00025344542218
• 81224544352000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81224544352000's digits is 40
• More coming soon!