42936421

Names of 42936421

• Cardinal: 42936421 can be written as Forty-two million, nine hundred thirty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.2936421 × 10⁷

Factors of 42936421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 49499

Divisors of 42936421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 79 869 49409 543499 3903311 42936421
• Sum of all divisors σ(n): 47433600
• Sum of proper divisors (its aliquot sum) s(n): 4497179
• 42936421 is a deficient number, because the sum of its proper divisors (4497179) is less than itself. Its deficiency is 38439242

Bases of 42936421

• Binary: 10100011110010100001100101₂
• Hexadecimal: 0x28F2865
• Base-36: PK9YD

Squares and roots of 42936421

• 42936421 squared (42936421²) is 1843536248289241
• 42936421 cubed (42936421³) is 79154848485307381346461
• The square root of 42936421 is 6552.5888776879
• The cube root of 42936421 is 350.1670522273

Scales and comparisons

• 42,936,421 seconds is equal to 1 year, 18 weeks, 6 days, 22 hours, 47 minutes, 1 second.
• To count from 1 to 42,936,421 would take you about two 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 42936421 cubic inches would be around 29.2 feet tall.

Recreational maths with 42936421

• 42936421 backwards is 12463924
• The number of decimal digits it has is: 8
• The sum of 42936421's digits is 31
• More coming soon!