40694921

Names of 40694921

• Cardinal: 40694921 can be written as Forty million, six hundred ninety-four thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 4.0694921 × 10⁷

Factors of 40694921

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 40694921

Divisors of 40694921

• Number of divisors d(n): 2
• Complete list of divisors:
  1 40694921
• Sum of all divisors σ(n): 40694922
• Sum of proper divisors (its aliquot sum) s(n): 1
• 40694921 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 40694920

Bases of 40694921

• Binary: 10011011001111010010001001₂
• Hexadecimal: 0x26CF489
• Base-36: O88EH

Squares and roots of 40694921

• 40694921 squared (40694921²) is 1656076595196241
• 40694921 cubed (40694921³) is 67393906211460006991961
• The square root of 40694921 is 6379.2570884077
• The cube root of 40694921 is 343.9643266821

Scales and comparisons

• 40,694,921 seconds is equal to 1 year, 15 weeks, 2 days, 8 minutes, 41 seconds.
• To count from 1 to 40,694,921 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 40694921 cubic inches would be around 28.7 feet tall.

Recreational maths with 40694921

• 40694921 backwards is 12949604
• The number of decimal digits it has is: 8
• The sum of 40694921's digits is 35
• More coming soon!