40520

Names of 40520

• Cardinal: 40520 can be written as Forty thousand, five hundred twenty.

Scientific notation

• Scientific notation: 4.052 × 10⁴

Factors of 40520

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1020

Divisors of 40520

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 5 8 10 20 40 1013 2026 4052 5065 8104 10130 20260 40520
• Sum of all divisors σ(n): 91260
• Sum of proper divisors (its aliquot sum) s(n): 50740
• 40520 is an abundant number, because the sum of its proper divisors (50740) is greater than itself. Its abundance is 10220

Bases of 40520

• Binary: 1001111001001000₂
• Hexadecimal: 0x9E48
• Base-36: V9K

Squares and roots of 40520

• 40520 squared (40520²) is 1641870400
• 40520 cubed (40520³) is 66528588608000
• The square root of 40520 is 201.2958022413
• The cube root of 40520 is 34.3470792561

Scales and comparisons

• 40,520 seconds is equal to 11 hours, 15 minutes, 20 seconds.
• To count from 1 to 40,520 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 40520 cubic inches would be around 2.9 feet tall.

Recreational maths with 40520

• 40520 backwards is 02504
• The number of decimal digits it has is: 5
• The sum of 40520's digits is 11
• More coming soon!