42406185

Names of 42406185

• Cardinal: 42406185 can be written as Forty-two million, four hundred six thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 4.2406185 × 10⁷

Factors of 42406185

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2827087

Divisors of 42406185

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 2827079 8481237 14135395 42406185
• Sum of all divisors σ(n): 67849920
• Sum of proper divisors (its aliquot sum) s(n): 25443735
• 42406185 is a deficient number, because the sum of its proper divisors (25443735) is less than itself. Its deficiency is 16962450

Bases of 42406185

• Binary: 10100001110001000100101001₂
• Hexadecimal: 0x2871129
• Base-36: P8WTL

Squares and roots of 42406185

• 42406185 squared (42406185²) is 1798284526254225
• 42406185 cubed (42406185³) is 76258386302974022381625
• The square root of 42406185 is 6512.0031480337
• The cube root of 42406185 is 348.7196348223

Scales and comparisons

• 42,406,185 seconds is equal to 1 year, 18 weeks, 19 hours, 29 minutes, 45 seconds.
• To count from 1 to 42,406,185 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 42406185 cubic inches would be around 29.1 feet tall.

Recreational maths with 42406185

• 42406185 backwards is 58160424
• The number of decimal digits it has is: 8
• The sum of 42406185's digits is 30
• More coming soon!