12913555557754729

Names of 12913555557754729

• Cardinal: 12913555557754729 can be written as Twelve quadrillion, nine hundred thirteen trillion, five hundred fifty-five billion, five hundred fifty-seven million, seven hundred fifty-four thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2913555557754729 × 10¹⁶

Factors of 12913555557754729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1051539815

Divisors of 12913555557754729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 1217 10091 12280747 1051528507 1279710193019 10610974164137 12913555557754729
• Sum of all divisors σ(n): 12925447305932448
• Sum of proper divisors (its aliquot sum) s(n): 11891748177719
• 12913555557754729 is a deficient number, because the sum of its proper divisors (11891748177719) is less than itself. Its deficiency is 12901663809577010

Bases of 12913555557754729

• Binary: 101101111000001100111101110011110011101010011101101001₂
• Hexadecimal: 0x2DE0CF73CEA769
• Base-36: 3J5H1IWYOA1

Squares and roots of 12913555557754729

• 12913555557754729 squared (12913555557754729²) is 166759917143218049993527721863441
• 12913555557754729 cubed (12913555557754729³) is 2153463454835521559862207542356754104685909962489
• The square root of 12913555557754729 is 113637826.2628898101
• The cube root of 12913555557754729 is 234611.1302652283

Scales and comparisons

• 12,913,555,557,754,729 seconds is equal to 410,611,122 years, 25 weeks, 2 days, 2 hours, 58 minutes, 49 seconds.
• To count from 1 to 12,913,555,557,754,729 would take you about one billion, two hundred thirty-one million, eight hundred thirty-three thousand, three hundred sixty-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 12913555557754729 cubic inches would be around 19550.9 feet tall.

Recreational maths with 12913555557754729

• 12913555557754729 backwards is 92745775555531921
• The number of decimal digits it has is: 17
• The sum of 12913555557754729's digits is 82
• More coming soon!