42188209

Names of 42188209

• Cardinal: 42188209 can be written as Forty-two million, one hundred eighty-eight thousand, two hundred nine.

Scientific notation

• Scientific notation: 4.2188209 × 10⁷

Factors of 42188209

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6026894

Divisors of 42188209

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 6026887 42188209
• Sum of all divisors σ(n): 48215104
• Sum of proper divisors (its aliquot sum) s(n): 6026895
• 42188209 is a deficient number, because the sum of its proper divisors (6026895) is less than itself. Its deficiency is 36161314

Bases of 42188209

• Binary: 10100000111011110110110001₂
• Hexadecimal: 0x283BDB1
• Base-36: P48MP

Squares and roots of 42188209

• 42188209 squared (42188209²) is 1779844978627681
• 42188209 cubed (42188209³) is 75088471945945139213329
• The square root of 42188209 is 6495.2451069995
• The cube root of 42188209 is 348.1211126649

Scales and comparisons

• 42,188,209 seconds is equal to 1 year, 17 weeks, 5 days, 6 hours, 56 minutes, 49 seconds.
• To count from 1 to 42,188,209 would take you about two 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 42188209 cubic inches would be around 29 feet tall.

Recreational maths with 42188209

• 42188209 backwards is 90288124
• The number of decimal digits it has is: 8
• The sum of 42188209's digits is 34
• More coming soon!