40085143

Names of 40085143

• Cardinal: 40085143 can be written as Forty million, eighty-five thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 4.0085143 × 10⁷

Factors of 40085143

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2400

Divisors of 40085143

• Number of divisors d(n): 6
• Complete list of divisors:
  1 7 2393 16751 5726449 40085143
• Sum of all divisors σ(n): 45830744
• Sum of proper divisors (its aliquot sum) s(n): 5745601
• 40085143 is a deficient number, because the sum of its proper divisors (5745601) is less than itself. Its deficiency is 34339542

Bases of 40085143

• Binary: 10011000111010011010010111₂
• Hexadecimal: 0x263A697
• Base-36: NV5W7

Squares and roots of 40085143

• 40085143 squared (40085143²) is 1606818689330449
• 40085143 cubed (40085143³) is 64409556936883622419207
• The square root of 40085143 is 6331.2828873775
• The cube root of 40085143 is 342.2376715063

Scales and comparisons

• 40,085,143 seconds is equal to 1 year, 14 weeks, 1 day, 22 hours, 45 minutes, 43 seconds.
• To count from 1 to 40,085,143 would take you about forty-seven 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 40085143 cubic inches would be around 28.5 feet tall.

Recreational maths with 40085143

• 40085143 backwards is 34158004
• The number of decimal digits it has is: 8
• The sum of 40085143's digits is 25
• More coming soon!