394139

Names of 394139

• Cardinal: 394139 can be written as Three hundred ninety-four thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.94139 × 10⁵

Factors of 394139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 13620

Divisors of 394139

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 13591 394139
• Sum of all divisors σ(n): 407760
• Sum of proper divisors (its aliquot sum) s(n): 13621
• 394139 is a deficient number, because the sum of its proper divisors (13621) is less than itself. Its deficiency is 380518

Bases of 394139

• Binary: 1100000001110011011₂
• Hexadecimal: 0x6039B
• Base-36: 8G4B

Squares and roots of 394139

• 394139 squared (394139²) is 155345551321
• 394139 cubed (394139³) is 61227740252107619
• The square root of 394139 is 627.8049060019
• The cube root of 394139 is 73.3189893891

Scales and comparisons

• 394,139 seconds is equal to 4 days, 13 hours, 28 minutes, 59 seconds.
• To count from 1 to 394,139 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 394139 cubic inches would be around 6.1 feet tall.

Recreational maths with 394139

• 394139 backwards is 931493
• 394139 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 394139's digits is 29
• More coming soon!