81040118082

Names of 81040118082

• Cardinal: 81040118082 can be written as Eighty-one billion, forty million, one hundred eighteen thousand and eighty-two.

Scientific notation

• Scientific notation: 8.1040118082 × 10¹⁰

Factors of 81040118082

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 866

Divisors of 81040118082

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 121 127 154 231 242 254 307 363 381 409 462 614 726 762 818 847 889 921 1227 1397 1694 1778 1842 2149 2454 2541 2667 2794 2863 3377 4191 4298 4499 5082 5334 5726 6447 6754 8382 8589 8998 9779 10131 12894 13497 15367 17178 19558 20262 23639 26994 29337 30734 31493 37147 38989 46101 47278 49489 51943 58674 62986 70917 74294 77978 92202 94479 98978 103886 107569 111441 116967 125563 141834 148467 155829 188958 215138 222882 233934 251126 260029 272923 296934 311658 322707 346423 363601 376689 428879 520058 545846 571373 645414 692846 727202 753378 780087 818769 857758 878941 1039269 1090803 1142746 1286637 1381193 1560174 1637538 1714119 1757882 2078538 2181606 2573274 2636823 2762386 3002153 3428238 3999611 4143579 4717669 5273646 6004306 6285103 7999222 8287158 9006459 9435338 9668351 11998833 12570206 14153007 15193123 15946501 18012918 18855309 19336702 23997666 28306014 29005053 30386246 31893002 33023683 37710618 43995721 45579369 47839503 58010106 66047366 87991442 91158738 95679006 99071049 106351861 111625507 131987163 175411511 198142098 212703722 223251014 263974326 319055583 334876521 350823022 526234533 638111166 669753042 1052469066 1227880577 1929526621 2455761154 3683641731 3859053242 5788579863 7367283462 11577159726 13506686347 27013372694 40520059041 81040118082
• Sum of all divisors σ(n): 206379909120
• Sum of proper divisors (its aliquot sum) s(n): 125339791038
• 81040118082 is an abundant number, because the sum of its proper divisors (125339791038) is greater than itself. Its abundance is 44299672956

Bases of 81040118082

• Binary: 1001011011110010111100001000101000010₂
• Hexadecimal: 0x12DE5E1142
• Base-36: 11896ZB6

Squares and roots of 81040118082

• 81040118082 squared (81040118082²) is 6567500738744503358724
• 81040118082 cubed (81040118082³) is 532231035371476784619438564847368
• The square root of 81040118082 is 284675.4609761789
• The cube root of 81040118082 is 4327.4629175483

Scales and comparisons

• 81,040,118,082 seconds is equal to 2,576 years, 42 weeks, 6 days, 7 hours, 54 minutes, 42 seconds.
• To count from 1 to 81,040,118,082 would take you about five thousand, one hundred fifty-three 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 81040118082 cubic inches would be around 360.6 feet tall.

Recreational maths with 81040118082

• 81040118082 backwards is 28081104018
• 81040118082 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81040118082's digits is 33
• More coming soon!