40490

Names of 40490

• Cardinal: 40490 can be written as Forty thousand, four hundred ninety.

Scientific notation

• Scientific notation: 4.049 × 10⁴

Factors of 40490

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4056

Divisors of 40490

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 4049 8098 20245 40490
• Sum of all divisors σ(n): 72900
• Sum of proper divisors (its aliquot sum) s(n): 32410
• 40490 is a deficient number, because the sum of its proper divisors (32410) is less than itself. Its deficiency is 8080

Bases of 40490

• Binary: 1001111000101010₂
• Hexadecimal: 0x9E2A
• Base-36: V8Q

Squares and roots of 40490

• 40490 squared (40490²) is 1639440100
• 40490 cubed (40490³) is 66380929649000
• The square root of 40490 is 201.2212712413
• The cube root of 40490 is 34.3386005891

Scales and comparisons

• 40,490 seconds is equal to 11 hours, 14 minutes, 50 seconds.
• To count from 1 to 40,490 would take you about eleven hours.

  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 40490 cubic inches would be around 2.9 feet tall.

Recreational maths with 40490

• 40490 backwards is 09404
• The number of decimal digits it has is: 5
• The sum of 40490's digits is 17
• More coming soon!