398666

Names of 398666

• Cardinal: 398666 can be written as Three hundred ninety-eight thousand, six hundred sixty-six.

Scientific notation

• Scientific notation: 3.98666 × 10⁵

Factors of 398666

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3816

Divisors of 398666

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 53 106 3761 7522 199333 398666
• Sum of all divisors σ(n): 609444
• Sum of proper divisors (its aliquot sum) s(n): 210778
• 398666 is a deficient number, because the sum of its proper divisors (210778) is less than itself. Its deficiency is 187888

Bases of 398666

• Binary: 1100001010101001010₂
• Hexadecimal: 0x6154A
• Base-36: 8JM2

Squares and roots of 398666

• 398666 squared (398666²) is 158934579556
• 398666 cubed (398666³) is 63361813093272296
• The square root of 398666 is 631.4000316757
• The cube root of 398666 is 73.5986304487

Scales and comparisons

• 398,666 seconds is equal to 4 days, 14 hours, 44 minutes, 26 seconds.
• To count from 1 to 398,666 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 398666 cubic inches would be around 6.1 feet tall.

Recreational maths with 398666

• 398666 backwards is 666893
• The number of decimal digits it has is: 6
• The sum of 398666's digits is 38
• More coming soon!