421995409

Names of 421995409

• Cardinal: 421995409 can be written as Four hundred twenty-one million, nine hundred ninety-five thousand, four hundred nine.

Scientific notation

• Scientific notation: 4.21995409 × 10⁸

Factors of 421995409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 292991

Divisors of 421995409

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 131 1441 292849 3221339 38363219 421995409
• Sum of all divisors σ(n): 463874400
• Sum of proper divisors (its aliquot sum) s(n): 41878991
• 421995409 is a deficient number, because the sum of its proper divisors (41878991) is less than itself. Its deficiency is 380116418

Bases of 421995409

• Binary: 11001001001110010001110010001₂
• Hexadecimal: 0x19272391
• Base-36: 6Z8TQP

Squares and roots of 421995409

• 421995409 squared (421995409²) is 178080125217077281
• 421995409 cubed (421995409³) is 75148995275751740980202929
• The square root of 421995409 is 20542.5268406785
• The cube root of 421995409 is 750.0713466941

Scales and comparisons

• 421,995,409 seconds is equal to 13 years, 21 weeks, 5 days, 4 hours, 56 minutes, 49 seconds.
• To count from 1 to 421,995,409 would take you about twenty years!

  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 421995409 cubic inches would be around 62.5 feet tall.

Recreational maths with 421995409

• 421995409 backwards is 904599124
• The number of decimal digits it has is: 9
• The sum of 421995409's digits is 43
• More coming soon!