393998

Names of 393998

• Cardinal: 393998 can be written as Three hundred ninety-three thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 3.93998 × 10⁵

Factors of 393998

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17922

Divisors of 393998

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 17909 35818 196999 393998
• Sum of all divisors σ(n): 644760
• Sum of proper divisors (its aliquot sum) s(n): 250762
• 393998 is a deficient number, because the sum of its proper divisors (250762) is less than itself. Its deficiency is 143236

Bases of 393998

• Binary: 1100000001100001110₂
• Hexadecimal: 0x6030E
• Base-36: 8G0E

Squares and roots of 393998

• 393998 squared (393998²) is 155234424004
• 393998 cubed (393998³) is 61162052588727992
• The square root of 393998 is 627.6925999245
• The cube root of 393998 is 73.3102452571

Scales and comparisons

• 393,998 seconds is equal to 4 days, 13 hours, 26 minutes, 38 seconds.
• To count from 1 to 393,998 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 393998 cubic inches would be around 6.1 feet tall.

Recreational maths with 393998

• 393998 backwards is 899393
• The number of decimal digits it has is: 6
• The sum of 393998's digits is 41
• More coming soon!