42010185

Names of 42010185

• Cardinal: 42010185 can be written as Forty-two million, ten thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 4.2010185 × 10⁷

Factors of 42010185

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7617

Divisors of 42010185

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 7549 22647 37745 52843 113235 158529 264215 400097 792645 1200291 2000485 2800679 6001455 8402037 14003395 42010185
• Sum of all divisors σ(n): 78278400
• Sum of proper divisors (its aliquot sum) s(n): 36268215
• 42010185 is a deficient number, because the sum of its proper divisors (36268215) is less than itself. Its deficiency is 5741970

Bases of 42010185

• Binary: 10100000010000011001001001₂
• Hexadecimal: 0x2810649
• Base-36: P0F9L

Squares and roots of 42010185

• 42010185 squared (42010185²) is 1764855643734225
• 42010185 cubed (42010185³) is 74141912091568883081625
• The square root of 42010185 is 6481.5264405849
• The cube root of 42010185 is 347.6307600997

Scales and comparisons

• 42,010,185 seconds is equal to 1 year, 17 weeks, 3 days, 5 hours, 29 minutes, 45 seconds.
• To count from 1 to 42,010,185 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 42010185 cubic inches would be around 29 feet tall.

Recreational maths with 42010185

• 42010185 backwards is 58101024
• 42010185 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42010185's digits is 21
• More coming soon!