385005

Names of 385005

• Cardinal: 385005 can be written as Three hundred eighty-five thousand and five.

Scientific notation

• Scientific notation: 3.85005 × 10⁵

Factors of 385005

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 25675

Divisors of 385005

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 25667 77001 128335 385005
• Sum of all divisors σ(n): 616032
• Sum of proper divisors (its aliquot sum) s(n): 231027
• 385005 is a deficient number, because the sum of its proper divisors (231027) is less than itself. Its deficiency is 153978

Bases of 385005

• Binary: 1011101111111101101₂
• Hexadecimal: 0x5DFED
• Base-36: 892L

Squares and roots of 385005

• 385005 squared (385005²) is 148228850025
• 385005 cubed (385005³) is 57068848403875125
• The square root of 385005 is 620.4877114013
• The cube root of 385005 is 72.7481784123

Scales and comparisons

• 385,005 seconds is equal to 4 days, 10 hours, 56 minutes, 45 seconds.
• To count from 1 to 385,005 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 385005 cubic inches would be around 6.1 feet tall.

Recreational maths with 385005

• 385005 backwards is 500583
• The number of decimal digits it has is: 6
• The sum of 385005's digits is 21
• More coming soon!