390666

Names of 390666

• Cardinal: 390666 can be written as Three hundred ninety thousand, six hundred sixty-six.

Scientific notation

• Scientific notation: 3.90666 × 10⁵

Factors of 390666

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 65116

Divisors of 390666

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 65111 130222 195333 390666
• Sum of all divisors σ(n): 781344
• Sum of proper divisors (its aliquot sum) s(n): 390678
• 390666 is an abundant number, because the sum of its proper divisors (390678) is greater than itself. Its abundance is 12

Bases of 390666

• Binary: 1011111011000001010₂
• Hexadecimal: 0x5F60A
• Base-36: 8DFU

Squares and roots of 390666

• 390666 squared (390666²) is 152619923556
• 390666 cubed (390666³) is 59623415055928296
• The square root of 390666 is 625.0327991393
• The cube root of 390666 is 73.1030009067

Scales and comparisons

• 390,666 seconds is equal to 4 days, 12 hours, 31 minutes, 6 seconds.
• To count from 1 to 390,666 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 390666 cubic inches would be around 6.1 feet tall.

Recreational maths with 390666

• 390666 backwards is 666093
• The number of decimal digits it has is: 6
• The sum of 390666's digits is 30
• More coming soon!