81271028081376

Names of 81271028081376

• Cardinal: 81271028081376 can be written as Eighty-one trillion, two hundred seventy-one billion, twenty-eight million, eighty-one thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1271028081376 × 10¹³

Factors of 81271028081376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3199

Divisors of 81271028081376

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 81 84 96 98 108 112 126 144 147 162 168 189 196 216 224 243 252 288 294 324 336 343 378 392 432 441 486 504 567 588 648 672 686 729 756 784 864 882 972 1008 1029 1134 1176 1296 1323 1372 1458 1512 1568 1701 1764 1944 2016 2058 2268 2352 2592 2646 2744 2916 3024 3087 3187 3402 3528 3888 3969 4116 4536 4704 5103 5292 5488 5832 6048 6174 6374 6804 7056 7776 7938 8232 9072 9261 9561 10206 10584 10976 11664 11907 12348 12748 13608 14112 15876 16464 18144 18522 19122 20412 21168 22309 23328 23814 24696 25496 27216 27783 28683 31752 32928 35721 37044 38244 40824 42336 44618 47628 49392 50992 54432 55566 57366 63504 66927 71442 74088 76488 81648 83349 86049 89236 95256 98784 101984 111132 114732 127008 133854 142884 148176 152976 156163 163296 166698 172098 178472 190512 200781 222264 229464 250047 258147 267708 285768 296352 305952 312326 333396 344196 356944 381024 401562 444528 458928 468489 500094 516294 535416 571536 602343 624652 666792 688392 713888 774441 803124 889056 917856 936978 1000188 1032588 1070832 1093141 1143072 1204686 1249304 1333584 1376784 1405467 1548882 1606248 1807029 1873956 2000376 2065176 2141664 2186282 2323323 2409372 2498608 2667168 2753568 2810934 3097764 3212496 3279423 3614058 3747912 4000752 4130352 4216401 4372564 4646646 4818744 4997216 5421087 5621868 6195528 6424992 6558846 7228116 7495824 8001504 8260704 8432802 8745128 9293292 9637488 9838269 10156969 10842174 11243736 12391056 12649203 13117692 14456232 14991648 16263261 16865604 17490256 18586584 19274976 19676538 20313938 21684348 22487472 24782112 25298406 26235384 28912464 29514807 30470907 32526522 33731208 34980512 37173168 37947609 39353076 40627876 43368696 44974944 50596812 52470768 57824928 59029614 60941814 65053044 67462416 71098783 74346336 75895218 78706152 81255752 86737392 88544421 91412721 101193624 104941536 113842827 118059228 121883628 130106088 134924832 142197566 151790436 157412304 162511504 173474784 177088842 182825442 202387248 213296349 227685654 236118456 243767256 260212176 265633263 274238163 284395132 303580872 314824608 325023008 354177684 365650884 404774496 426592698 455371308 472236912 487534512 497691481 520424352 531266526 548476326 568790264 607161744 639889047 708355368 731301768 796899789 822714489 853185396 910742616 944473824 975069024 995382962 1062533052 1096952652 1137580528 1214323488 1279778094 1416710736 1462603536 1493074443 1593799578 1645428978 1706370792 1821485232 1919667141 1990765924 2125066104 2193905304 2275161056 2468143467 2559556188 2833421472 2925207072 2986148886 3187599156 3290857956 3412741584 3483840367 3642970464 3839334282 3981531848 4250132208 4387810608 4479223329 4936286934 5119112376 5759001423 5972297772 6375198312 6581715912 6825483168 6967680734 7404430401 7678668564 7963063696 8500264416 8775621216 8958446658 9872573868 10238224752 10451521101 11518002846 11944595544 12750396624 13163431824 13437669987 13935361468 14808860802 15357337128 15926127392 17277004269 17916893316 19745147736 20476449504 20903042202 23036005692 23889191088 25500793248 26326863648 26875339974 27870722936 29617721604 30714674256 31354563303 34554008538 35833786632 39490295472 40313009961 41806084404 46072011384 47778382176 51831012807 53750679948 55741445872 59235443208 61429348512 62709126606 69108017076 71667573264 78980590944 80626019922 83612168808 92144022768 94063689909 103662025614 107501359896 111482891744 118470886416 120939029883 125418253212 138216034152 143335146528 161252039844 167224337616 184288045536 188127379818 207324051228 215002719792 236941772832 241878059766 250836506424 276432068304 282191069727 322504079688 334448675232 362817089649 376254759636 414648102456 430005439584 483756119532 501673012848 552864136608 564382139454 645008159376 725634179298 752509519272 829296204912 846573209181 967512239064 1003346025696 1128764278908 1290016318752 1451268358596 1505019038544 1658592409824 1693146418362 1935024478128 2257528557816 2539719627543 2902536717192 3010038077088 3386292836724 3870048956256 4515057115632 5079439255086 5805073434384 6772585673448 9030114231264 10158878510172 11610146868768 13545171346896 20317757020344 27090342693792 40635514040688 81271028081376
• Sum of all divisors σ(n): 279847300345200
• Sum of proper divisors (its aliquot sum) s(n): 198576272263824
• 81271028081376 is an abundant number, because the sum of its proper divisors (198576272263824) is greater than itself. Its abundance is 117305244182448

Bases of 81271028081376

• Binary: 10010011110101001100010110000100110001011100000₂
• Hexadecimal: 0x49EA62C262E0
• Base-36: ST3E7RI00

Squares and roots of 81271028081376

• 81271028081376 squared (81271028081376²) is 6604980005403806355678053376
• 81271028081376 cubed (81271028081376³) is 536793515496099750558629180906047799525376
• The square root of 81271028081376 is 9015044.5412863049
• The cube root of 81271028081376 is 43315.6914260611

Scales and comparisons

• 81,271,028,081,376 seconds is equal to 2,584,167 years, 15 weeks, 6 days, 2 hours, 9 minutes, 36 seconds.
• To count from 1 to 81,271,028,081,376 would take you about six million, four hundred sixty thousand, four hundred eighteen 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 81271028081376 cubic inches would be around 3609.6 feet tall.

Recreational maths with 81271028081376

• 81271028081376 backwards is 67318082017218
• 81271028081376 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81271028081376's digits is 54
• More coming soon!