81342912430080

Names of 81342912430080

• Cardinal: 81342912430080 can be written as Eighty-one trillion, three hundred forty-two billion, nine hundred twelve million, four hundred thirty thousand and eighty.

Scientific notation

• Scientific notation: 8.134291243008 × 10¹³

Factors of 81342912430080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 216

Divisors of 81342912430080

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 199 210 224 240 252 256 280 288 315 320 336 360 384 398 420 448 480 504 512 560 576 597 630 640 672 720 768 796 840 896 960 995 1008 1024 1120 1152 1194 1260 1280 1344 1393 1440 1536 1592 1680 1791 1792 1920 1990 2016 2048 2240 2304 2388 2520 2560 2688 2786 2880 2985 3072 3184 3360 3582 3584 3840 3980 4032 4096 4179 4480 4608 4776 5040 5120 5376 5572 5760 5970 6144 6368 6720 6965 7164 7168 7680 7960 8064 8192 8358 8955 8960 9216 9552 10080 10240 10752 11144 11520 11940 12288 12537 12736 13440 13930 14328 14336 15360 15920 16128 16384 16716 17910 17920 18432 19104 20160 20480 20895 21504 22288 23040 23880 24576 25074 25472 26880 27860 28656 28672 30720 31840 32256 32768 33432 35820 35840 36864 38208 39601 40320 40960 41790 43008 44576 46080 47760 49152 50148 50944 53760 55720 57312 57344 61440 62685 63680 64512 66864 71640 71680 73728 76416 79202 80640 81920 83580 86016 89152 92160 95520 98304 100296 101888 107520 111440 114624 114688 118803 122880 125370 127360 129024 133728 143280 143360 147456 152832 158404 161280 163840 167160 172032 178304 184320 191040 198005 200592 203776 215040 222880 229248 229376 237606 245760 250740 254720 258048 267456 277207 286560 286720 294912 305664 316808 322560 334320 344064 356409 356608 368640 382080 396010 401184 407552 430080 445760 458496 475212 491520 501480 509440 516096 534912 554414 573120 573440 594015 611328 633616 645120 668640 688128 712818 713216 737280 764160 792020 802368 815104 831621 860160 891520 916992 950424 1002960 1018880 1032192 1069824 1108828 1146240 1146880 1188030 1222656 1267232 1290240 1337280 1386035 1425636 1426432 1474560 1528320 1584040 1604736 1630208 1663242 1720320 1782045 1783040 1833984 1900848 2005920 2037760 2064384 2139648 2217656 2292480 2376060 2445312 2494863 2534464 2580480 2674560 2772070 2851272 2852864 3056640 3168080 3209472 3260416 3326484 3440640 3564090 3566080 3667968 3801696 4011840 4075520 4158105 4279296 4435312 4584960 4752120 4890624 4989726 5068928 5160960 5349120 5544140 5702544 5705728 6113280 6336160 6418944 6520832 6652968 7128180 7132160 7335936 7603392 7880599 8023680 8151040 8316210 8558592 8870624 9169920 9504240 9781248 9979452 10137856 10321920 10698240 11088280 11405088 11411456 12226560 12474315 12672320 12837888 13305936 14256360 14264320 14671872 15206784 15761198 16047360 16302080 16632420 17117184 17741248 18339840 19008480 19562496 19958904 20275712 21396480 22176560 22810176 22822912 23641797 24453120 24948630 25344640 25675776 26611872 28512720 28528640 29343744 30413568 31522396 32094720 32604160 33264840 34234368 35482496 36679680 38016960 39402995 39917808 40551424 42792960 44353120 45620352 45645824 47283594 48906240 49897260 50689280 51351552 53223744 55164193 57025440 57057280 58687488 60827136 63044792 64189440 66529680 68468736 70925391 70964992 73359360 76033920 78805990 79835616 81102848 85585920 88706240 91240704 94567188 97812480 99794520 101378560 102703104 106447488 110328386 114050880 114114560 118208985 121654272 126089584 128378880 133059360 136937472 141850782 141929984 146718720 152067840 157611980 159671232 162205696 165492579 171171840 177412480 182481408 189134376 199589040 202757120 205406208 212894976 220656772 228101760 228229120 236417970 243308544 252179168 256757760 266118720 275820965 283701564 283859968 293437440 304135680 315223960 319342464 324411392 330985158 342343680 354626955 354824960 364962816 378268752 399178080 405514240 410812416 425789952 441313544 456203520 472835940 486617088 496477737 504358336 513515520 532237440 551641930 567403128 567719936 608271360 630447920 638684928 648822784 661970316 684687360 709253910 709649920 729925632 756537504 798356160 811028480 827462895 851579904 882627088 912407040 945671880 973234176 992955474 1008716672 1027031040 1064474880 1103283860 1134806256 1135439872 1216542720 1260895840 1277369856 1297645568 1323940632 1418507820 1419299840 1459851264 1513075008 1596712320 1622056960 1654925790 1703159808 1765254176 1824814080 1891343760 1946468352 1985910948 2017433344 2054062080 2128949760 2206567720 2269612512 2270879744 2433085440 2482388685 2521791680 2554739712 2647881264 2837015640 2838599680 2919702528 3026150016 3193424640 3244113920 3309851580 3406319616 3530508352 3649628160 3782687520 3892936704 3971821896 4034866688 4257899520 4413135440 4539225024 4541759488 4866170880 4964777370 5043583360 5109479424 5295762528 5674031280 5677199360 5839405056 6052300032 6386849280 6488227840 6619703160 6812639232 7061016704 7299256320 7565375040 7943643792 8069733376 8515799040 8826270880 9078450048 9083518976 9732341760 9929554740 10087166720 10218958848 10591525056 11348062560 11354398720 11678810112 12104600064 12773698560 13239406320 13625278464 14122033408 14598512640 15130750080 15887287584 16139466752 17031598080 17652541760 18156900096 19464683520 19859109480 20174333440 20437917696 21183050112 22696125120 22708797440 24209200128 25547397120 26478812640 27250556928 28244066816 29197025280 30261500160 31774575168 32278933504 34063196160 35305083520 36313800192 39718218960 40348666880 40875835392 42366100224 45392250240 45417594880 48418400256 51094794240 52957625280 56488133632 58394050560 60523000320 63549150336 64557867008 68126392320 70610167040 72627600384 79436437920 80697333760 81751670784 84732200448 90784500480 96836800512 102189588480 105915250560 112976267264 121046000640 127098300672 129115734016 136252784640 141220334080 145255200768 158872875840 161394667520 169464400896 181569000960 193673601024 204379176960 211830501120 225952534528 242092001280 254196601344 258231468032 282440668160 290510401536 317745751680 322789335040 338928801792 363138001920 387347202048 408758353920 423661002240 451905069056 484184002560 508393202688 564881336320 581020803072 635491503360 645578670080 677857603584 726276003840 774694404096 847322004480 903810138112 968368005120 1016786405376 1129762672640 1162041606144 1270983006720 1291157340160 1355715207168 1452552007680 1694644008960 1807620276224 1936736010240 2033572810752 2259525345280 2324083212288 2541966013440 2711430414336 2905104015360 3389288017920 3873472020480 4067145621504 4519050690560 5083932026880 5422860828672 5810208030720 6778576035840 8134291243008 9038101381120 10167864053760 11620416061440 13557152071680 16268582486016 20335728107520 27114304143360 40671456215040 81342912430080
• Sum of all divisors σ(n): 323895570336000
• Sum of proper divisors (its aliquot sum) s(n): 242552657905920
• 81342912430080 is an abundant number, because the sum of its proper divisors (242552657905920) is greater than itself. Its abundance is 161209745475840

Bases of 81342912430080

• Binary: 10010011111101100011111011001101000000000000000₂
• Hexadecimal: 0x49FB1F668000
• Base-36: SU0F1UKG0

Squares and roots of 81342912430080

• 81342912430080 squared (81342912430080²) is 6616669402607663370888806400
• 81342912430080 cubed (81342912430080³) is 538219159795104908777335403332094656512000
• The square root of 81342912430080 is 9019030.5704149823
• The cube root of 81342912430080 is 43328.4585943909

Scales and comparisons

• 81,342,912,430,080 seconds is equal to 2,586,453 years, 1 day, 20 hours, 48 minutes.
• To count from 1 to 81,342,912,430,080 would take you about six million, four hundred sixty-six thousand, one hundred thirty-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 81342912430080 cubic inches would be around 3610.7 feet tall.

Recreational maths with 81342912430080

• 81342912430080 backwards is 08003421924318
• 81342912430080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81342912430080's digits is 45
• More coming soon!