398491

Names of 398491

• Cardinal: 398491 can be written as Three hundred ninety-eight thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 3.98491 × 10⁵

Factors of 398491

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 398491

Divisors of 398491

• Number of divisors d(n): 2
• Complete list of divisors:
  1 398491
• Sum of all divisors σ(n): 398492
• Sum of proper divisors (its aliquot sum) s(n): 1
• 398491 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 398490

Bases of 398491

• Binary: 1100001010010011011₂
• Hexadecimal: 0x6149B
• Base-36: 8JH7

Squares and roots of 398491

• 398491 squared (398491²) is 158795077081
• 398491 cubed (398491³) is 63278409061084771
• The square root of 398491 is 631.2614355399
• The cube root of 398491 is 73.5878598241

Scales and comparisons

• 398,491 seconds is equal to 4 days, 14 hours, 41 minutes, 31 seconds.
• To count from 1 to 398,491 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 398491 cubic inches would be around 6.1 feet tall.

Recreational maths with 398491

• 398491 backwards is 194893
• The number of decimal digits it has is: 6
• The sum of 398491's digits is 34
• More coming soon!