12818514236702721

Names of 12818514236702721

• Cardinal: 12818514236702721 can be written as Twelve quadrillion, eight hundred eighteen trillion, five hundred fourteen billion, two hundred thirty-six million, seven hundred two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.2818514236702721 × 10¹⁶

Factors of 12818514236702721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 179484231

Divisors of 12818514236702721

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 28253831 84761493 151230397 453691191 4272838078900907 12818514236702721
• Sum of all divisors σ(n): 17091353033540544
• Sum of proper divisors (its aliquot sum) s(n): 4272838796837823
• 12818514236702721 is a deficient number, because the sum of its proper divisors (4272838796837823) is less than itself. Its deficiency is 8545675439864898

Bases of 12818514236702721

• Binary: 101101100010100101111011101011101000001000000000000001₂
• Hexadecimal: 0x2D8A5EEBA08001
• Base-36: 3I7S858AWOX

Squares and roots of 12818514236702721

• 12818514236702721 squared (12818514236702721²) is 164314307236550341981366128803841
• 12818514236702721 cubed (12818514236702721³) is 2106265286605665492514386061667733097379639951361
• The square root of 12818514236702721 is 113218877.5633406507
• The cube root of 12818514236702721 is 234034.1479659595

Scales and comparisons

• 12,818,514,236,702,721 seconds is equal to 407,589,102 years, 23 weeks, 6 days, 4 hours, 5 minutes, 21 seconds.
• To count from 1 to 12,818,514,236,702,721 would take you about one billion, two hundred twenty-two million, seven hundred sixty-seven thousand, three hundred 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 12818514236702721 cubic inches would be around 19502.8 feet tall.

Recreational maths with 12818514236702721

• 12818514236702721 backwards is 12720763241581821
• The number of decimal digits it has is: 17
• The sum of 12818514236702721's digits is 60
• More coming soon!