6240405

Names of 6240405

• Cardinal: 6240405 can be written as Six million, two hundred forty thousand, four hundred five.

Scientific notation

• Scientific notation: 6.240405 × 10⁶

Factors of 6240405

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 261

Divisors of 6240405

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 15 41 73 123 139 205 219 365 417 615 695 1095 2085 2993 5699 8979 10147 14965 17097 28495 30441 44895 50735 85485 152205 416027 1248081 2080135 6240405
• Sum of all divisors σ(n): 10442880
• Sum of proper divisors (its aliquot sum) s(n): 4202475
• 6240405 is a deficient number, because the sum of its proper divisors (4202475) is less than itself. Its deficiency is 2037930

Bases of 6240405

• Binary: 10111110011100010010101₂
• Hexadecimal: 0x5F3895
• Base-36: 3PR4L

Squares and roots of 6240405

• 6240405 squared (6240405²) is 38942654564025
• 6240405 cubed (6240405³) is 243017936254614430125
• The square root of 6240405 is 2498.0802629217
• The cube root of 6240405 is 184.1072645679

Scales and comparisons

• 6,240,405 seconds is equal to 10 weeks, 2 days, 5 hours, 26 minutes, 45 seconds.
• To count from 1 to 6,240,405 would take you about fifteen 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 6240405 cubic inches would be around 15.3 feet tall.

Recreational maths with 6240405

• 6240405 backwards is 5040426
• The number of decimal digits it has is: 7
• The sum of 6240405's digits is 21
• More coming soon!