42743809

Names of 42743809

• Cardinal: 42743809 can be written as Forty-two million, seven hundred forty-three thousand, eight hundred nine.

Scientific notation

• Scientific notation: 4.2743809 × 10⁷

Factors of 42743809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 15806

Divisors of 42743809

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3463 12343 42743809
• Sum of all divisors σ(n): 42759616
• Sum of proper divisors (its aliquot sum) s(n): 15807
• 42743809 is a deficient number, because the sum of its proper divisors (15807) is less than itself. Its deficiency is 42728002

Bases of 42743809

• Binary: 10100011000011100000000001₂
• Hexadecimal: 0x28C3801
• Base-36: PG5C1

Squares and roots of 42743809

• 42743809 squared (42743809²) is 1827033207828481
• 42743809 cubed (42743809³) is 78094358472077896624129
• The square root of 42743809 is 6537.8749605663
• The cube root of 42743809 is 349.6426529629

Scales and comparisons

• 42,743,809 seconds is equal to 1 year, 18 weeks, 4 days, 17 hours, 16 minutes, 49 seconds.
• To count from 1 to 42,743,809 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 42743809 cubic inches would be around 29.1 feet tall.

Recreational maths with 42743809

• 42743809 backwards is 90834724
• The number of decimal digits it has is: 8
• The sum of 42743809's digits is 37
• More coming soon!