42939445

Names of 42939445

• Cardinal: 42939445 can be written as Forty-two million, nine hundred thirty-nine thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 4.2939445 × 10⁷

Factors of 42939445

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8587894

Divisors of 42939445

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 8587889 42939445
• Sum of all divisors σ(n): 51527340
• Sum of proper divisors (its aliquot sum) s(n): 8587895
• 42939445 is a deficient number, because the sum of its proper divisors (8587895) is less than itself. Its deficiency is 34351550

Bases of 42939445

• Binary: 10100011110011010000110101₂
• Hexadecimal: 0x28F3435
• Base-36: PKCAD

Squares and roots of 42939445

• 42939445 squared (42939445²) is 1843795936908025
• 42939445 cubed (42939445³) is 79171574224085609546125
• The square root of 42939445 is 6552.8196221169
• The cube root of 42939445 is 350.1752727565

Scales and comparisons

• 42,939,445 seconds is equal to 1 year, 18 weeks, 6 days, 23 hours, 37 minutes, 25 seconds.
• To count from 1 to 42,939,445 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 42939445 cubic inches would be around 29.2 feet tall.

Recreational maths with 42939445

• 42939445 backwards is 54493924
• The number of decimal digits it has is: 8
• The sum of 42939445's digits is 40
• More coming soon!