400142

Names of 400142

• Cardinal: 400142 can be written as Four hundred thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 4.00142 × 10⁵

Factors of 400142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6930

Divisors of 400142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 29 58 6899 13798 200071 400142
• Sum of all divisors σ(n): 621000
• Sum of proper divisors (its aliquot sum) s(n): 220858
• 400142 is a deficient number, because the sum of its proper divisors (220858) is less than itself. Its deficiency is 179284

Bases of 400142

• Binary: 1100001101100001110₂
• Hexadecimal: 0x61B0E
• Base-36: 8KR2

Squares and roots of 400142

• 400142 squared (400142²) is 160113620164
• 400142 cubed (400142³) is 64068184199663288
• The square root of 400142 is 632.5677829293
• The cube root of 400142 is 73.6893478159

Scales and comparisons

• 400,142 seconds is equal to 4 days, 15 hours, 9 minutes, 2 seconds.
• To count from 1 to 400,142 would take you about four days.

  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 400142 cubic inches would be around 6.1 feet tall.

Recreational maths with 400142

• 400142 backwards is 241004
• The number of decimal digits it has is: 6
• The sum of 400142's digits is 11
• More coming soon!