81364011008

Names of 81364011008

• Cardinal: 81364011008 can be written as Eighty-one billion, three hundred sixty-four million, eleven thousand and eight.

Scientific notation

• Scientific notation: 8.1364011008 × 10¹⁰

Factors of 81364011008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 255

Divisors of 81364011008

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 29 32 46 56 58 64 67 92 112 116 127 128 134 161 184 203 224 232 254 256 268 322 368 406 448 464 469 508 512 536 644 667 736 812 889 896 928 938 1016 1024 1072 1288 1334 1472 1541 1624 1778 1792 1856 1876 1943 2032 2048 2144 2576 2668 2921 2944 3082 3248 3556 3584 3683 3712 3752 3886 4064 4288 4669 5152 5336 5842 5888 6164 6496 7112 7168 7366 7424 7504 7772 8128 8509 8576 9338 10304 10672 10787 11684 11776 12328 12992 13601 14224 14336 14732 14848 15008 15544 16256 17018 17152 18676 20447 20608 21344 21574 23368 23552 24656 25781 25984 27202 28448 29464 29696 30016 31088 32512 34036 34304 37352 40894 41216 42688 43148 44689 46736 47104 49312 51562 51968 54404 56896 58928 59392 59563 60032 62176 65024 68072 68608 74704 81788 82432 84709 85376 86296 89378 93472 98624 103124 103936 108808 113792 117856 119126 120064 124352 130048 136144 137216 149408 163576 164864 169418 170752 172592 178756 186944 195707 197248 206248 207872 217616 227584 235712 238252 240128 246761 248704 260096 272288 298816 312823 327152 329728 338836 341504 345184 357512 373888 391414 394496 412496 415744 435232 455168 471424 476504 480256 493522 497408 544576 592963 597632 625646 654304 677672 683008 690368 715024 747776 782828 788992 824992 870464 910336 942848 953008 960512 987044 994816 1089152 1185926 1195264 1251292 1308608 1355344 1366016 1369949 1380736 1430048 1495552 1565656 1577984 1649984 1727327 1740928 1820672 1885696 1906016 1974088 1989632 2178304 2371852 2390528 2502584 2617216 2710688 2739898 2761472 2860096 2991104 3131312 3155968 3299968 3454654 3481856 3771392 3812032 3948176 3979264 4356608 4743704 4781056 5005168 5234432 5421376 5479796 5522944 5675503 5720192 5982208 6262624 6599936 6909308 6963712 7542784 7624064 7896352 8713216 9487408 9562112 10010336 10468864 10842752 10959592 11045888 11351006 11440384 12525248 13199872 13818616 13927424 15248128 15792704 17426432 18974816 20020672 20937728 21685504 21919184 22091776 22702012 22880768 25050496 26399744 27637232 27854848 30496256 31585408 37949632 39728521 40041344 41875456 43371008 43838368 45404024 45761536 50100992 52799488 55274464 60992512 63170816 75899264 79457042 80082688 86742016 87676736 90808048 91523072 100201984 110548928 121985024 126341632 151798528 158914084 160165376 173484032 175353472 181616096 200403968 221097856 252683264 303597056 317828168 320330752 350706944 363232192 400807936 442195712 505366528 607194112 635656336 640661504 701413888 726464384 884391424 1214388224 1271312672 1402827776 1452928768 1768782848 2542625344 2805655552 2905857536 3537565696 5085250688 5811715072 10170501376 11623430144 20341002752 40682005504 81364011008
• Sum of all divisors σ(n): 205302988800
• Sum of proper divisors (its aliquot sum) s(n): 123938977792
• 81364011008 is an abundant number, because the sum of its proper divisors (123938977792) is greater than itself. Its abundance is 42574966784

Bases of 81364011008

• Binary: 1001011110001101011000100100000000000₂
• Hexadecimal: 0x12F1AC4800
• Base-36: 11DM14OW

Squares and roots of 81364011008

• 81364011008 squared (81364011008²) is 6620102287309945176064
• 81364011008 cubed (81364011008³) is 538638075378772358013147794112512
• The square root of 81364011008 is 285243.7747050757
• The cube root of 81364011008 is 4333.2204423029

Scales and comparisons

• 81,364,011,008 seconds is equal to 2,587 years, 6 weeks, 3 days, 2 hours, 10 minutes, 8 seconds.
• To count from 1 to 81,364,011,008 would take you about five thousand, one hundred seventy-four 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 81364011008 cubic inches would be around 361.1 feet tall.

Recreational maths with 81364011008

• 81364011008 backwards is 80011046318
• 81364011008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81364011008's digits is 32
• More coming soon!