385139

Names of 385139

• Cardinal: 385139 can be written as Three hundred eighty-five thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.85139 × 10⁵

Factors of 385139

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 385139

Divisors of 385139

• Number of divisors d(n): 2
• Complete list of divisors:
  1 385139
• Sum of all divisors σ(n): 385140
• Sum of proper divisors (its aliquot sum) s(n): 1
• 385139 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 385138

Bases of 385139

• Binary: 1011110000001110011₂
• Hexadecimal: 0x5E073
• Base-36: 896B

Squares and roots of 385139

• 385139 squared (385139²) is 148332049321
• 385139 cubed (385139³) is 57128457143440619
• The square root of 385139 is 620.5956815835
• The cube root of 385139 is 72.7566173721

Scales and comparisons

• 385,139 seconds is equal to 4 days, 10 hours, 58 minutes, 59 seconds.
• To count from 1 to 385,139 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 385139 cubic inches would be around 6.1 feet tall.

Recreational maths with 385139

• 385139 backwards is 931583
• 385139 is a twin prime! Its twin is 385141
• The number of decimal digits it has is: 6
• The sum of 385139's digits is 29
• More coming soon!