40540078

Names of 40540078

• Cardinal: 40540078 can be written as Forty million, five hundred forty thousand and seventy-eight.

Scientific notation

• Scientific notation: 4.0540078 × 10⁷

Factors of 40540078

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 20270041

Divisors of 40540078

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 20270039 40540078
• Sum of all divisors σ(n): 60810120
• Sum of proper divisors (its aliquot sum) s(n): 20270042
• 40540078 is a deficient number, because the sum of its proper divisors (20270042) is less than itself. Its deficiency is 20270036

Bases of 40540078

• Binary: 10011010101001011110101110₂
• Hexadecimal: 0x26A97AE
• Base-36: O4WXA

Squares and roots of 40540078

• 40540078 squared (40540078²) is 1643497924246084
• 40540078 cubed (40540078³) is 66627534041774336554552
• The square root of 40540078 is 6367.1090771245
• The cube root of 40540078 is 343.5275140807

Scales and comparisons

• 40,540,078 seconds is equal to 1 year, 15 weeks, 5 hours, 7 minutes, 58 seconds.
• To count from 1 to 40,540,078 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 40540078 cubic inches would be around 28.6 feet tall.

Recreational maths with 40540078

• 40540078 backwards is 87004504
• The number of decimal digits it has is: 8
• The sum of 40540078's digits is 28
• More coming soon!