40248391

Names of 40248391

• Cardinal: 40248391 can be written as Forty million, two hundred forty-eight thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 4.0248391 × 10⁷

Factors of 40248391

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 40248391

Divisors of 40248391

• Number of divisors d(n): 2
• Complete list of divisors:
  1 40248391
• Sum of all divisors σ(n): 40248392
• Sum of proper divisors (its aliquot sum) s(n): 1
• 40248391 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 40248390

Bases of 40248391

• Binary: 10011001100010010001000111₂
• Hexadecimal: 0x2662447
• Base-36: NYNUV

Squares and roots of 40248391

• 40248391 squared (40248391²) is 1619932978088881
• 40248391 cubed (40248391³) is 65199695895915715240471
• The square root of 40248391 is 6344.1619619929
• The cube root of 40248391 is 342.7016334529

Scales and comparisons

• 40,248,391 seconds is equal to 1 year, 14 weeks, 3 days, 20 hours, 6 minutes, 31 seconds.
• To count from 1 to 40,248,391 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 40248391 cubic inches would be around 28.6 feet tall.

Recreational maths with 40248391

• 40248391 backwards is 19384204
• The number of decimal digits it has is: 8
• The sum of 40248391's digits is 31
• More coming soon!