40385243

Names of 40385243

• Cardinal: 40385243 can be written as Forty million, three hundred eighty-five thousand, two hundred forty-three.

Scientific notation

• Scientific notation: 4.0385243 × 10⁷

Factors of 40385243

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 19404

Divisors of 40385243

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2371 17033 40385243
• Sum of all divisors σ(n): 40404648
• Sum of proper divisors (its aliquot sum) s(n): 19405
• 40385243 is a deficient number, because the sum of its proper divisors (19405) is less than itself. Its deficiency is 40365838

Bases of 40385243

• Binary: 10011010000011101011011011₂
• Hexadecimal: 0x2683ADB
• Base-36: O1LGB

Squares and roots of 40385243

• 40385243 squared (40385243²) is 1630967852169049
• 40385243 cubed (40385243³) is 65867033035035120943907
• The square root of 40385243 is 6354.9384733449
• The cube root of 40385243 is 343.0896104411

Scales and comparisons

• 40,385,243 seconds is equal to 1 year, 14 weeks, 5 days, 10 hours, 7 minutes, 23 seconds.
• To count from 1 to 40,385,243 would take you about forty-eight weeks!

  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 40385243 cubic inches would be around 28.6 feet tall.

Recreational maths with 40385243

• 40385243 backwards is 34258304
• The number of decimal digits it has is: 8
• The sum of 40385243's digits is 29
• More coming soon!