81494412040512

Names of 81494412040512

• Cardinal: 81494412040512 can be written as Eighty-one trillion, four hundred ninety-four billion, four hundred twelve million, forty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 8.1494412040512 × 10¹³

Factors of 81494412040512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2896

Divisors of 81494412040512

• Number of divisors d(n): 588
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 81 87 96 108 116 144 149 162 174 192 216 232 243 261 288 298 324 348 432 447 464 486 522 576 596 648 696 729 783 864 894 928 972 1044 1192 1296 1341 1392 1458 1566 1728 1788 1856 1944 2088 2349 2384 2592 2682 2713 2784 2916 3132 3576 3888 4023 4176 4321 4698 4768 5184 5364 5426 5568 5832 6264 7047 7152 7776 8046 8139 8352 8642 9396 9536 10728 10852 11664 12069 12528 12963 14094 14304 15552 16092 16278 16704 17284 18792 21141 21456 21704 22201 23328 24138 24417 25056 25926 28188 28608 32184 32556 34568 36207 37584 38889 42282 42912 43408 44402 46656 48276 48834 50112 51852 56376 64368 65112 66603 69136 72414 73251 75168 77778 78677 84564 85824 86816 88804 96552 97668 103704 108621 112752 116667 128736 130224 133206 138272 144828 146502 150336 155556 157354 169128 173632 177608 193104 195336 199809 207408 217242 219753 225504 233334 236031 257472 260448 266412 276544 289656 293004 311112 314708 338256 350001 355216 386208 390672 399618 404237 414816 434484 439506 451008 466668 472062 520896 532824 579312 586008 599427 622224 629416 643829 659259 676512 700002 708093 710432 772416 781344 799236 808474 829632 868968 879012 933336 944124 1050003 1065648 1158624 1172016 1198854 1212711 1244448 1258832 1287658 1318518 1353024 1400004 1416186 1420864 1562688 1598472 1616948 1737936 1758024 1798281 1866672 1888248 1931487 1977777 2100006 2124279 2131296 2317248 2344032 2397708 2425422 2488896 2517664 2575316 2637036 2800008 2832372 3150009 3196944 3233896 3475872 3516048 3596562 3638133 3733344 3776496 3862974 3955554 4200012 4248558 4262592 4688064 4795416 4850844 5035328 5150632 5274072 5394843 5600016 5664744 5794461 6300018 6372837 6393888 6467792 6951744 7032096 7193124 7276266 7466688 7552992 7725948 7911108 8400024 8497116 9590832 9701688 10301264 10548144 10789686 10914399 11200032 11329488 11588922 11722873 12600036 12745674 12787776 12935584 14064192 14386248 14552532 15105984 15451896 15822216 16184529 16800048 16994232 17383383 19118511 19181664 19403376 20602528 21096288 21579372 21828798 22400064 22658976 23177844 23445746 25200072 25491348 25871168 28772496 29105064 30903792 31644432 32369058 32743197 33600096 33988464 34766766 35168619 38237022 38363328 38806752 41205056 42192576 43158744 43657596 45317952 46355688 46891492 50400144 50982696 52150149 57355533 57544992 58210128 60231313 61807584 63288864 64738116 65486394 67200192 67976928 69533532 70337238 76474044 77613504 86317488 87315192 92711376 93782984 98229591 100800288 101965392 104300298 105505857 114711066 115089984 116420256 120462626 123615168 126577728 129476232 130972788 135953856 139067064 140674476 152948088 156450447 172634976 174630384 180693939 185422752 187565968 196459182 201600576 203930784 208600596 211011714 229422132 232840512 240925252 258952464 261945576 278134128 281348952 294688773 305896176 312900894 316517571 345269952 349260768 361387878 370845504 375131936 392918364 407861568 417201192 422023428 458844264 469351341 481850504 517904928 523891152 542081817 556268256 562697904 589377546 611792352 625801788 633035142 698521536 722775756 750263872 785836728 834402384 844046856 917688528 938702682 949552713 963701008 1035809856 1047782304 1084163634 1112536512 1125395808 1178755092 1223584704 1251603576 1266070284 1445551512 1571673456 1626245451 1668804768 1688093712 1746708077 1835377056 1877405364 1899105426 1927402016 2095564608 2168327268 2250791616 2357510184 2503207152 2532140568 2848658139 2891103024 3143346912 3252490902 3337609536 3376187424 3493416154 3670754112 3754810728 3798210852 3854804032 4336654536 4715020368 4878736353 5006414304 5064281136 5240124231 5697316278 5782206048 6286693824 6504981804 6752374848 6986832308 7509621456 7596421704 8545974417 8673309072 9430040736 9757472706 10012828608 10128562272 10480248462 11394632556 11564412096 13009963608 13973664616 14636209059 15019242912 15192843408 15720372693 17091948834 17346618144 18860081472 19514945412 20257124544 20960496924 22789265112 26019927216 27947329232 29272418118 30038485824 30385686816 31440745386 34183897668 34693236288 39029890824 41920993848 43908627177 45578530224 47161118079 52039854432 55894658464 58544836236 60771373632 62881490772 68367795336 78059781648 83841987696 87817254354 91157060448 94322236158 104079708864 111789316928 117089672472 125762981544 136735590672 141483354237 156119563296 167683975392 175634508708 182314120896 188644472316 234179344944 251525963088 273471181344 282966708474 312239126592 335367950784 351269017416 377288944632 424450062711 468358689888 503051926176 546942362688 565933416948 702538034832 754577889264 848900125422 936717379776 1006103852352 1131866833896 1273350188133 1405076069664 1509155778528 1697800250844 2263733667792 2546700376266 2810152139328 3018311557056 3395600501688 4527467335584 5093400752532 6791201003376 9054934671168 10186801505064 13582402006752 20373603010128 27164804013504 40747206020256 81494412040512
• Sum of all divisors σ(n): 252610814698620
• Sum of proper divisors (its aliquot sum) s(n): 171116402658108
• 81494412040512 is an abundant number, because the sum of its proper divisors (171116402658108) is greater than itself. Its abundance is 89621990617596

Bases of 81494412040512

• Binary: 10010100001111001100101011110110001100101000000₂
• Hexadecimal: 0x4A1E657B1940
• Base-36: SVY0KT000

Squares and roots of 81494412040512

• 81494412040512 squared (81494412040512²) is 6641339193828747239529222144
• 81494412040512 cubed (81494412040512³) is 541232032762681718402447323610467175497728
• The square root of 81494412040512 is 9027425.5488767117
• The cube root of 81494412040512 is 43355.3413854189

Scales and comparisons

• 81,494,412,040,512 seconds is equal to 2,591,270 years, 11 weeks, 4 days, 13 hours, 55 minutes, 12 seconds.
• To count from 1 to 81,494,412,040,512 would take you about six million, four hundred seventy-eight thousand, one hundred seventy-five 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 81494412040512 cubic inches would be around 3612.9 feet tall.

Recreational maths with 81494412040512

• 81494412040512 backwards is 21504021449418
• The number of decimal digits it has is: 14
• The sum of 81494412040512's digits is 45
• More coming soon!