128427908618373

Names of 128427908618373

• Cardinal: 128427908618373 can be written as One hundred twenty-eight trillion, four hundred twenty-seven billion, nine hundred eight million, six hundred eighteen thousand, three hundred seventy-three.

Scientific notation

• Scientific notation: 1.28427908618373 × 10¹⁴

Factors of 128427908618373

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2024754

Divisors of 128427908618373

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 31 39 91 93 217 273 403 651 1209 2821 7523 8463 22569 52661 97799 157983 233213 293397 684593 699639 1632491 2017177 2053779 3031769 4897473 6051531 9095307 14120239 21222383 26223301 42360717 62532487 63667149 78669903 183563107 187597461 437727409 550689321 812922331 1313182227 2438766993 5690456317 15175222571 17071368951 45525667713 106226557997 197277893423 318679673991 470431899701 591833680269 1380945253961 1411295699103 3293023297907 4142835761883 6115614696113 9879069893721 18346844088339 42809302872791 128427908618373
• Sum of all divisors σ(n): 217581016891392
• Sum of proper divisors (its aliquot sum) s(n): 89153108273019
• 128427908618373 is a deficient number, because the sum of its proper divisors (89153108273019) is less than itself. Its deficiency is 39274800345354

Bases of 128427908618373

• Binary: 11101001100110111110011110111110101100010000101₂
• Hexadecimal: 0x74CDF3DF5885
• Base-36: 19IUYSVPTX

Squares and roots of 128427908618373

• 128427908618373 squared (128427908618373²) is 16493727712089165889753167129
• 128427908618373 cubed (128427908618373³) is 2118254955384513771193671669496171349061117
• The square root of 128427908618373 is 11332603.7881138775
• The cube root of 128427908618373 is 50452.9390177551

Scales and comparisons

• 128,427,908,618,373 seconds is equal to 4,083,610 years, 12 weeks, 3 days, 12 hours, 39 minutes, 33 seconds.
• To count from 1 to 128,427,908,618,373 would take you about ten million, two hundred nine thousand and twenty-five 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 128427908618373 cubic inches would be around 4204.4 feet tall.

Recreational maths with 128427908618373

• 128427908618373 backwards is 373816809724821
• The number of decimal digits it has is: 15
• The sum of 128427908618373's digits is 69
• More coming soon!