81142036679736

Names of 81142036679736

• Cardinal: 81142036679736 can be written as Eighty-one trillion, one hundred forty-two billion, thirty-six million, six hundred seventy-nine thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 8.1142036679736 × 10¹³

Factors of 81142036679736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 151049317

Divisors of 81142036679736

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 829 1658 2487 3316 4974 6632 7461 9948 14922 19896 22383 29844 44766 59688 67149 89532 134298 179064 268596 537192 151048483 302096966 453145449 604193932 906290898 1208387864 1359436347 1812581796 2718872694 3625163592 4078309041 5437745388 8156618082 10875490776 12234927123 16313236164 24469854246 32626472328 48939708492 97879416984 125219192407 250438384814 375657577221 500876769628 751315154442 1001753539256 1126972731663 1502630308884 2253945463326 3005260617768 3380918194989 4507890926652 6761836389978 9015781853304 10142754584967 13523672779956 20285509169934 27047345559912 40571018339868 81142036679736
• Sum of all divisors σ(n): 227546988721800
• Sum of proper divisors (its aliquot sum) s(n): 146404952042064
• 81142036679736 is an abundant number, because the sum of its proper divisors (146404952042064) is greater than itself. Its abundance is 65262915362328

Bases of 81142036679736

• Binary: 10010011100110001011010010001011100110000111000₂
• Hexadecimal: 0x49CC5A45CC38
• Base-36: SRG4XM3I0

Squares and roots of 81142036679736

• 81142036679736 squared (81142036679736²) is 6584030116535622427033029696
• 81142036679736 cubed (81142036679736³) is 534241613216419965550179314843624529440256
• The square root of 81142036679736 is 9007887.4704192437
• The cube root of 81142036679736 is 43292.7627534143

Scales and comparisons

• 81,142,036,679,736 seconds is equal to 2,580,065 years, 40 weeks, 3 days, 1 hour, 15 minutes, 36 seconds.
• To count from 1 to 81,142,036,679,736 would take you about six million, four hundred fifty thousand, one hundred sixty-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 81142036679736 cubic inches would be around 3607.7 feet tall.

Recreational maths with 81142036679736

• 81142036679736 backwards is 63797663024118
• The number of decimal digits it has is: 14
• The sum of 81142036679736's digits is 63
• More coming soon!