40049639

Names of 40049639

• Cardinal: 40049639 can be written as Forty million, forty-nine thousand, six hundred thirty-nine.

Scientific notation

• Scientific notation: 4.0049639 × 10⁷

Factors of 40049639

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 32149

Divisors of 40049639

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 179 1253 31963 223741 5721377 40049639
• Sum of all divisors σ(n): 46028160
• Sum of proper divisors (its aliquot sum) s(n): 5978521
• 40049639 is a deficient number, because the sum of its proper divisors (5978521) is less than itself. Its deficiency is 34071118

Bases of 40049639

• Binary: 10011000110001101111100111₂
• Hexadecimal: 0x2631BE7
• Base-36: NUEHZ

Squares and roots of 40049639

• 40049639 squared (40049639²) is 1603973584030321
• 40049639 cubed (40049639³) is 64238563005950521104119
• The square root of 40049639 is 6328.4784111191
• The cube root of 40049639 is 342.1366000159

Scales and comparisons

• 40,049,639 seconds is equal to 1 year, 14 weeks, 1 day, 12 hours, 53 minutes, 59 seconds.
• To count from 1 to 40,049,639 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 40049639 cubic inches would be around 28.5 feet tall.

Recreational maths with 40049639

• 40049639 backwards is 93694004
• The number of decimal digits it has is: 8
• The sum of 40049639's digits is 35
• More coming soon!