81323267088

Names of 81323267088

• Cardinal: 81323267088 can be written as Eighty-one billion, three hundred twenty-three million, two hundred sixty-seven thousand and eighty-eight.

Scientific notation

• Scientific notation: 8.1323267088 × 10¹⁰

Factors of 81323267088

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 102

Divisors of 81323267088

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 49 56 57 71 76 84 98 112 114 133 142 147 152 168 196 213 228 266 284 294 304 336 361 392 399 426 456 497 532 568 588 722 784 798 852 912 931 994 1064 1083 1136 1176 1349 1444 1491 1596 1704 1862 1988 2128 2166 2352 2527 2698 2793 2888 2982 3192 3408 3479 3724 3976 4047 4332 5041 5054 5396 5586 5776 5964 6384 6859 6958 7448 7581 7952 8094 8664 9443 10082 10108 10437 10792 11172 11928 13718 13916 14896 15123 15162 16188 17328 17689 18886 20164 20216 20577 20874 21584 22344 23856 25631 27436 27832 28329 30246 30324 32376 35287 35378 37772 40328 40432 41154 41748 44688 48013 51262 53067 54872 55664 56658 60492 60648 64752 66101 70574 70756 75544 76893 80656 82308 83496 95779 96026 102524 105861 106134 109744 113316 120984 121296 132202 141148 141512 144039 151088 153786 164616 166992 179417 191558 192052 198303 205048 211722 212268 226632 241968 247009 264404 282296 283024 287337 288078 307572 329232 336091 358834 383116 384104 396606 410096 423444 424536 453264 486989 494018 528808 538251 564592 574674 576156 615144 670453 672182 717668 741027 766232 768208 793212 846888 849072 973978 988036 1008273 1057616 1076502 1149348 1152312 1230288 1255919 1340906 1344364 1435336 1460967 1482054 1532464 1586424 1693776 1819801 1947956 1976072 2011359 2016546 2153004 2298696 2304624 2511838 2681812 2688728 2870672 2921934 2964108 3172848 3408923 3639602 3767757 3895912 3952144 4022718 4033092 4306008 4597392 4693171 5023676 5363624 5377456 5459403 5843868 5928216 6817846 7279204 7535514 7791824 8045436 8066184 8612016 9386342 10047352 10226769 10727248 10918806 11687736 11856432 12738607 13635692 14079513 14558408 15071028 16090872 16132368 18772684 20094704 20453538 21837612 23375472 23862461 25477214 27271384 28159026 29116816 30142056 32181744 34576219 37545368 38215821 40907076 43675224 47724922 50954428 54542768 56318052 60284112 69152438 71587383 75090736 76431642 81814152 87350448 89170249 95449844 101908856 103728657 112636104 138304876 143174766 152863284 163628304 178340498 190899688 203817712 207457314 225272208 242033533 267510747 276609752 286349532 305726568 356680996 381799376 414914628 484067066 535021494 553219504 572699064 611453136 713361992 726100599 829829256 968134132 1070042988 1145398128 1426723984 1452201198 1659658512 1694234731 1936268264 2140085976 2904402396 3388469462 3872536528 4280171952 5082704193 5808804792 6776938924 10165408386 11617609584 13553877848 20330816772 27107755696 40661633544 81323267088
• Sum of all divisors σ(n): 261644072160
• Sum of proper divisors (its aliquot sum) s(n): 180320805072
• 81323267088 is an abundant number, because the sum of its proper divisors (180320805072) is greater than itself. Its abundance is 98997537984

Bases of 81323267088

• Binary: 1001011101111001111101001010000010000₂
• Hexadecimal: 0x12EF3E9410
• Base-36: 11CXRUHC

Squares and roots of 81323267088

• 81323267088 squared (81323267088²) is 6613473769866183999744
• 81323267088 cubed (81323267088³) is 537829293766309927430533435625472
• The square root of 81323267088 is 285172.3462890467
• The cube root of 81323267088 is 4332.4970189973

Scales and comparisons

• 81,323,267,088 seconds is equal to 2,585 years, 43 weeks, 12 hours, 24 minutes, 48 seconds.
• To count from 1 to 81,323,267,088 would take you about five thousand, one hundred seventy-one 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 81323267088 cubic inches would be around 361 feet tall.

Recreational maths with 81323267088

• 81323267088 backwards is 88076232318
• 81323267088 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81323267088's digits is 48
• More coming soon!