745142

Names of 745142

• Cardinal: 745142 can be written as Seven hundred forty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 7.45142 × 10⁵

Factors of 745142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 19630

Divisors of 745142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 19609 39218 372571 745142
• Sum of all divisors σ(n): 1176600
• Sum of proper divisors (its aliquot sum) s(n): 431458
• 745142 is a deficient number, because the sum of its proper divisors (431458) is less than itself. Its deficiency is 313684

Bases of 745142

• Binary: 10110101111010110110₂
• Hexadecimal: 0xB5EB6
• Base-36: FYYE

Squares and roots of 745142

• 745142 squared (745142²) is 555236600164
• 745142 cubed (745142³) is 413730110719403288
• The square root of 745142 is 863.2160795537
• The cube root of 745142 is 90.6594362985

Scales and comparisons

• 745,142 seconds is equal to 1 week, 1 day, 14 hours, 59 minutes, 2 seconds.
• To count from 1 to 745,142 would take you about fourteen hours!

  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 745142 cubic inches would be around 7.6 feet tall.

Recreational maths with 745142

• 745142 backwards is 241547
• The number of decimal digits it has is: 6
• The sum of 745142's digits is 23
• More coming soon!