42428938405

Names of 42428938405

• Cardinal: 42428938405 can be written as Forty-two billion, four hundred twenty-eight million, nine hundred thirty-eight thousand, four hundred five.

Scientific notation

• Scientific notation: 4.2428938405 × 10¹⁰

Factors of 42428938405

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1358

Divisors of 42428938405

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 35 37 89 185 259 445 547 623 673 1295 2735 3115 3293 3365 3829 4711 16465 19145 20239 23051 23555 24901 48683 59897 101195 115255 124505 141673 174307 243415 299485 340781 368131 419279 708365 871535 1703905 1801271 1840655 2096395 2216189 2576917 9006355 11080945 12608897 12884585 13620847 15513323 32763659 63044485 68104235 77566615 95345929 163818295 229345613 476729645 1146728065 1212255383 6061276915 8485787681 42428938405
• Sum of all divisors σ(n): 60632824320
• Sum of proper divisors (its aliquot sum) s(n): 18203885915
• 42428938405 is a deficient number, because the sum of its proper divisors (18203885915) is less than itself. Its deficiency is 24225052490

Bases of 42428938405

• Binary: 100111100000111101100011100010100101₂
• Hexadecimal: 0x9E0F638A5
• Base-36: JHP3EED

Squares and roots of 42428938405

• 42428938405 squared (42428938405²) is 1800214814175283944025
• 42428938405 cubed (42428938405³) is 76381203466411643334422192780125
• The square root of 42428938405 is 205982.8594932113
• The cube root of 42428938405 is 3487.8199318183

Scales and comparisons

• 42,428,938,405 seconds is equal to 1,349 years, 5 weeks, 4 days, 16 hours, 13 minutes, 25 seconds.
• To count from 1 to 42,428,938,405 would take you about two thousand, six hundred ninety-eight 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 42428938405 cubic inches would be around 290.7 feet tall.

Recreational maths with 42428938405

• 42428938405 backwards is 50483982424
• The number of decimal digits it has is: 11
• The sum of 42428938405's digits is 49
• More coming soon!