42894394

Names of 42894394

• Cardinal: 42894394 can be written as Forty-two million, eight hundred ninety-four thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 4.2894394 × 10⁷

Factors of 42894394

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 85700

Divisors of 42894394

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 251 502 85447 170894 21447197 42894394
• Sum of all divisors σ(n): 64598688
• Sum of proper divisors (its aliquot sum) s(n): 21704294
• 42894394 is a deficient number, because the sum of its proper divisors (21704294) is less than itself. Its deficiency is 21190100

Bases of 42894394

• Binary: 10100011101000010000111010₂
• Hexadecimal: 0x28E843A
• Base-36: PJDIY

Squares and roots of 42894394

• 42894394 squared (42894394²) is 1839929036627236
• 42894394 cubed (42894394³) is 78922641029129092114984
• The square root of 42894394 is 6549.3811921433
• The cube root of 42894394 is 350.0527648341

Scales and comparisons

• 42,894,394 seconds is equal to 1 year, 18 weeks, 6 days, 11 hours, 6 minutes, 34 seconds.
• To count from 1 to 42,894,394 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 42894394 cubic inches would be around 29.2 feet tall.

Recreational maths with 42894394

• 42894394 backwards is 49349824
• The number of decimal digits it has is: 8
• The sum of 42894394's digits is 43
• More coming soon!