40502978

Names of 40502978

• Cardinal: 40502978 can be written as Forty million, five hundred two thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 4.0502978 × 10⁷

Factors of 40502978

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 31668

Divisors of 40502978

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 653 1306 31013 62026 20251489 40502978
• Sum of all divisors σ(n): 60849468
• Sum of proper divisors (its aliquot sum) s(n): 20346490
• 40502978 is a deficient number, because the sum of its proper divisors (20346490) is less than itself. Its deficiency is 20156488

Bases of 40502978

• Binary: 10011010100000011011000010₂
• Hexadecimal: 0x26A06C2
• Base-36: O44AQ

Squares and roots of 40502978

• 40502978 squared (40502978²) is 1640491226868484
• 40502978 cubed (40502978³) is 66444780071047216345352
• The square root of 40502978 is 6364.1950001551
• The cube root of 40502978 is 343.4226897425

Scales and comparisons

• 40,502,978 seconds is equal to 1 year, 14 weeks, 6 days, 18 hours, 49 minutes, 38 seconds.
• To count from 1 to 40,502,978 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 40502978 cubic inches would be around 28.6 feet tall.

Recreational maths with 40502978

• 40502978 backwards is 87920504
• The number of decimal digits it has is: 8
• The sum of 40502978's digits is 35
• More coming soon!