42778401

Names of 42778401

• Cardinal: 42778401 can be written as Forty-two million, seven hundred seventy-eight thousand, four hundred one.

Scientific notation

• Scientific notation: 4.2778401 × 10⁷

Factors of 42778401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 385431

Divisors of 42778401

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 37 111 385391 1156173 14259467 42778401
• Sum of all divisors σ(n): 58579584
• Sum of proper divisors (its aliquot sum) s(n): 15801183
• 42778401 is a deficient number, because the sum of its proper divisors (15801183) is less than itself. Its deficiency is 26977218

Bases of 42778401

• Binary: 10100011001011111100100001₂
• Hexadecimal: 0x28CBF21
• Base-36: PGW0X

Squares and roots of 42778401

• 42778401 squared (42778401²) is 1829991592116801
• 42778401 cubed (42778401³) is 78284114154200952015201
• The square root of 42778401 is 6540.5199334609
• The cube root of 42778401 is 349.7369479237

Scales and comparisons

• 42,778,401 seconds is equal to 1 year, 18 weeks, 5 days, 2 hours, 53 minutes, 21 seconds.
• To count from 1 to 42,778,401 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 42778401 cubic inches would be around 29.1 feet tall.

Recreational maths with 42778401

• 42778401 backwards is 10487724
• The number of decimal digits it has is: 8
• The sum of 42778401's digits is 33
• More coming soon!