40120705

Names of 40120705

• Cardinal: 40120705 can be written as Forty million, one hundred twenty thousand, seven hundred five.

Scientific notation

• Scientific notation: 4.0120705 × 10⁷

Factors of 40120705

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7763

Divisors of 40120705

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 1229 6145 6529 32645 8024141 40120705
• Sum of all divisors σ(n): 48191400
• Sum of proper divisors (its aliquot sum) s(n): 8070695
• 40120705 is a deficient number, because the sum of its proper divisors (8070695) is less than itself. Its deficiency is 32050010

Bases of 40120705

• Binary: 10011001000011000110000001₂
• Hexadecimal: 0x2643181
• Base-36: NVXC1

Squares and roots of 40120705

• 40120705 squared (40120705²) is 1609670969697025
• 40120705 cubed (40120705³) is 64581134122278279402625
• The square root of 40120705 is 6334.0907003295
• The cube root of 40120705 is 342.3388482999

Scales and comparisons

• 40,120,705 seconds is equal to 1 year, 14 weeks, 2 days, 8 hours, 38 minutes, 25 seconds.
• To count from 1 to 40,120,705 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 40120705 cubic inches would be around 28.5 feet tall.

Recreational maths with 40120705

• 40120705 backwards is 50702104
• The number of decimal digits it has is: 8
• The sum of 40120705's digits is 19
• More coming soon!