12646424637128394

Names of 12646424637128394

• Cardinal: 12646424637128394 can be written as Twelve quadrillion, six hundred forty-six trillion, four hundred twenty-four billion, six hundred thirty-seven million, one hundred twenty-eight thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.2646424637128394 × 10¹⁶

Factors of 12646424637128394

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4779449976251

Divisors of 12646424637128394

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 189 294 378 441 882 1323 2646 4779449976239 9558899952478 14338349928717 28676699857434 33456149833673 43015049786151 66912299667346 86030099572302 100368449501019 129045149358453 200736899002038 234193048835711 258090298716906 301105348503057 468386097671422 602210697006114 702579146507133 903316045509171 1405158293014266 1806632091018342 2107737439521399 4215474879042798 6323212318564197 12646424637128394
• Sum of all divisors σ(n): 32691437837481600
• Sum of proper divisors (its aliquot sum) s(n): 20045013200353206
• 12646424637128394 is an abundant number, because the sum of its proper divisors (20045013200353206) is greater than itself. Its abundance is 7398588563224812

Bases of 12646424637128394

• Binary: 101100111011011101101100110000001011001011111011001010₂
• Hexadecimal: 0x2CEDDB302CBECA
• Base-36: 3GIS79VXRYI

Squares and roots of 12646424637128394

• 12646424637128394 squared (12646424637128394²) is 159932056102568031858702441019236
• 12646424637128394 cubed (12646424637128394³) is 2022568694562116873477728572840171782529555786984
• The square root of 12646424637128394 is 112456323.2420853869
• The cube root of 12646424637128394 is 232982.1167798709

Scales and comparisons

• 12,646,424,637,128,394 seconds is equal to 402,117,185 years, 26 weeks, 7 hours, 39 minutes, 54 seconds.
• To count from 1 to 12,646,424,637,128,394 would take you about one billion, two hundred six million, three hundred fifty-one thousand, five hundred fifty-six 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 12646424637128394 cubic inches would be around 19415.2 feet tall.

Recreational maths with 12646424637128394

• 12646424637128394 backwards is 49382173642464621
• The number of decimal digits it has is: 17
• The sum of 12646424637128394's digits is 72
• More coming soon!