42000745

Names of 42000745

• Cardinal: 42000745 can be written as Forty-two million, seven hundred forty-five.

Scientific notation

• Scientific notation: 4.2000745 × 10⁷

Factors of 42000745

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 106415

Divisors of 42000745

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 79 395 106331 531655 8400149 42000745
• Sum of all divisors σ(n): 51039360
• Sum of proper divisors (its aliquot sum) s(n): 9038615
• 42000745 is a deficient number, because the sum of its proper divisors (9038615) is less than itself. Its deficiency is 32962130

Bases of 42000745

• Binary: 10100000001110000101101001₂
• Hexadecimal: 0x280E169
• Base-36: P07ZD

Squares and roots of 42000745

• 42000745 squared (42000745²) is 1764062580555025
• 42000745 cubed (42000745³) is 74091942609933563493625
• The square root of 42000745 is 6480.7981761507
• The cube root of 42000745 is 347.6047197463

Scales and comparisons

• 42,000,745 seconds is equal to 1 year, 17 weeks, 3 days, 2 hours, 52 minutes, 25 seconds.
• To count from 1 to 42,000,745 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 42000745 cubic inches would be around 29 feet tall.

Recreational maths with 42000745

• 42000745 backwards is 54700024
• The number of decimal digits it has is: 8
• The sum of 42000745's digits is 22
• More coming soon!