145142

Names of 145142

• Cardinal: 145142 can be written as One hundred forty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.45142 × 10⁵

Factors of 145142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2374

Divisors of 145142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 31 62 2341 4682 72571 145142
• Sum of all divisors σ(n): 224832
• Sum of proper divisors (its aliquot sum) s(n): 79690
• 145142 is a deficient number, because the sum of its proper divisors (79690) is less than itself. Its deficiency is 65452

Bases of 145142

• Binary: 100011011011110110₂
• Hexadecimal: 0x236F6
• Base-36: 33ZQ

Squares and roots of 145142

• 145142 squared (145142²) is 21066200164
• 145142 cubed (145142³) is 3057590424203288
• The square root of 145142 is 380.9750648007
• The cube root of 145142 is 52.5530227729

Scales and comparisons

• 145,142 seconds is equal to 1 day, 16 hours, 19 minutes, 2 seconds.
• To count from 1 to 145,142 would take you about sixteen 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 145142 cubic inches would be around 4.4 feet tall.

Recreational maths with 145142

• 145142 backwards is 241541
• The number of decimal digits it has is: 6
• The sum of 145142's digits is 17
• More coming soon!