40507742

Names of 40507742

• Cardinal: 40507742 can be written as Forty million, five hundred seven thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.0507742 × 10⁷

Factors of 40507742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1841274

Divisors of 40507742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 1841261 3682522 20253871 40507742
• Sum of all divisors σ(n): 66285432
• Sum of proper divisors (its aliquot sum) s(n): 25777690
• 40507742 is a deficient number, because the sum of its proper divisors (25777690) is less than itself. Its deficiency is 14730052

Bases of 40507742

• Binary: 10011010100001100101011110₂
• Hexadecimal: 0x26A195E
• Base-36: O47Z2

Squares and roots of 40507742

• 40507742 squared (40507742²) is 1640877161938564
• 40507742 cubed (40507742³) is 66468228729499570362488
• The square root of 40507742 is 6364.5692705791
• The cube root of 40507742 is 343.4361537857

Scales and comparisons

• 40,507,742 seconds is equal to 1 year, 14 weeks, 6 days, 20 hours, 9 minutes, 2 seconds.
• To count from 1 to 40,507,742 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 40507742 cubic inches would be around 28.6 feet tall.

Recreational maths with 40507742

• 40507742 backwards is 24770504
• The number of decimal digits it has is: 8
• The sum of 40507742's digits is 29
• More coming soon!