128649626016

Names of 128649626016

• Cardinal: 128649626016 can be written as One hundred twenty-eight billion, six hundred forty-nine million, six hundred twenty-six thousand and sixteen.

Scientific notation

• Scientific notation: 1.28649626016 × 10¹¹

Factors of 128649626016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16678

Divisors of 128649626016

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 3221 6442 9663 12884 13421 19326 25768 26842 38652 40263 51536 53684 77304 80526 99851 103072 107368 154608 161052 199702 214736 299553 309216 322104 399404 416051 429472 599106 644208 798808 832102 1198212 1248153 1288416 1597616 1664204 2396424 2496306 3195232 3328408 4792848 4992612 6656816 9585696 9985224 13313632 19970448 39940896 43229041 86458082 129687123 172916164 259374246 345832328 518748492 691664656 1037496984 1340100271 1383329312 2074993968 2680200542 4020300813 4149987936 5360401084 8040601626 10720802168 16081203252 21441604336 32162406504 42883208672 64324813008 128649626016
• Sum of all divisors σ(n): 348733195776
• Sum of proper divisors (its aliquot sum) s(n): 220083569760
• 128649626016 is an abundant number, because the sum of its proper divisors (220083569760) is greater than itself. Its abundance is 91433943744

Bases of 128649626016

• Binary: 1110111110100000111011000000110100000₂
• Hexadecimal: 0x1DF41D81A0
• Base-36: 1N3MNYQO

Squares and roots of 128649626016

• 128649626016 squared (128649626016²) is 16550726274056664032256
• 128649626016 cubed (128649626016³) is 2129244745450574950942292960772096
• The square root of 128649626016 is 358677.6073523409
• The cube root of 128649626016 is 5048.1956239181

Scales and comparisons

• 128,649,626,016 seconds is equal to 4,090 years, 34 weeks, 2 days, 7 hours, 13 minutes, 36 seconds.
• To count from 1 to 128,649,626,016 would take you about eight thousand, one hundred eighty-one 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 128649626016 cubic inches would be around 420.7 feet tall.

Recreational maths with 128649626016

• 128649626016 backwards is 610626946821
• The number of decimal digits it has is: 12
• The sum of 128649626016's digits is 51
• More coming soon!