82721819323508121

Names of 82721819323508121

• Cardinal: 82721819323508121 can be written as Eighty-two quadrillion, seven hundred twenty-one trillion, eight hundred nineteen billion, three hundred twenty-three million, five hundred eight thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 8.2721819323508121 × 10¹⁶

Factors of 82721819323508121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4168345

Divisors of 82721819323508121

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 23 69 207 529 1587 4761 4168319 12504957 37514871 95871337 287614011 862842033 2205040751 6615122253 19845366759 17374883285761 52124649857283 156373949571849 399622315572503 1198866946717509 3596600840152527 9191313258167569 27573939774502707 82721819323508121
• Sum of all divisors σ(n): 124908065907388309
• Sum of proper divisors (its aliquot sum) s(n): 42186246583880188
• 82721819323508121 is a deficient number, because the sum of its proper divisors (42186246583880188) is less than itself. Its deficiency is 40535572739627933

Bases of 82721819323508121

• Binary: 100100101111000110000111001101111111100111010010110011001₂
• Hexadecimal: 0x125E30E6FF3A599
• Base-36: MMIFR6B4UC9

Squares and roots of 82721819323508121

• 82721819323508121 squared (82721819323508121²) is 6842899392191121565441702352950641
• 82721819323508121 cubed (82721819323508121³) is 566057087169777496103256967611280703980319675655561
• 82721819323508121 is a perfect square number. Its square root is 287614011
• The cube root of 82721819323508121 is 435719.1948767385

Scales and comparisons

• 82,721,819,323,508,121 seconds is equal to 2,630,297,979 years, 5 weeks, 1 day, 10 hours, 55 minutes, 21 seconds.
• To count from 1 to 82,721,819,323,508,121 would take you about seven billion, eight hundred ninety million, eight hundred ninety-three thousand, nine hundred thirty-seven 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 82721819323508121 cubic inches would be around 36309.9 feet tall.

Recreational maths with 82721819323508121

• 82721819323508121 backwards is 12180532391812728
• The number of decimal digits it has is: 17
• The sum of 82721819323508121's digits is 63
• More coming soon!