12978664649296129

Names of 12978664649296129

• Cardinal: 12978664649296129 can be written as Twelve quadrillion, nine hundred seventy-eight trillion, six hundred sixty-four billion, six hundred forty-nine million, two hundred ninety-six thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2978664649296129 × 10¹⁶

Factors of 12978664649296129

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4860780

Divisors of 12978664649296129

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 10739 35863 75173 251041 4814171 33699197 385132757 2695929299 51699382369 172650614573 361895676583 1208554302011 1854094949899447 12978664649296129
• Sum of all divisors σ(n): 14834557519119360
• Sum of proper divisors (its aliquot sum) s(n): 1855892869823231
• 12978664649296129 is a deficient number, because the sum of its proper divisors (1855892869823231) is less than itself. Its deficiency is 11122771779472898

Bases of 12978664649296129

• Binary: 101110000111000000011011011000000101001000100100000001₂
• Hexadecimal: 0x2E1C06D8148901
• Base-36: 3JSJW890001

Squares and roots of 12978664649296129

• 12978664649296129 squared (12978664649296129²) is 168445736078889011168775134384641
• 12978664649296129 cubed (12978664649296129³) is 2186200720171742351830053333256562727026198354689
• The square root of 12978664649296129 is 113923942.3883150605
• The cube root of 12978664649296129 is 235004.7661583283

Scales and comparisons

• 12,978,664,649,296,129 seconds is equal to 412,681,390 years, 10 weeks, 3 days, 12 hours, 28 minutes, 49 seconds.
• To count from 1 to 12,978,664,649,296,129 would take you about one billion, two hundred thirty-eight million, forty-four thousand, one hundred seventy 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 12978664649296129 cubic inches would be around 19583.7 feet tall.

Recreational maths with 12978664649296129

• 12978664649296129 backwards is 92169294646687921
• The number of decimal digits it has is: 17
• The sum of 12978664649296129's digits is 91
• More coming soon!