398009

Names of 398009

• Cardinal: 398009 can be written as Three hundred ninety-eight thousand and nine.

Scientific notation

• Scientific notation: 3.98009 × 10⁵

Factors of 398009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 415

Divisors of 398009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 37 347 1147 10757 12839 398009
• Sum of all divisors σ(n): 423168
• Sum of proper divisors (its aliquot sum) s(n): 25159
• 398009 is a deficient number, because the sum of its proper divisors (25159) is less than itself. Its deficiency is 372850

Bases of 398009

• Binary: 1100001001010111001₂
• Hexadecimal: 0x612B9
• Base-36: 8J3T

Squares and roots of 398009

• 398009 squared (398009²) is 158411164081
• 398009 cubed (398009³) is 63049069004714729
• The square root of 398009 is 630.8795447629
• The cube root of 398009 is 73.5581781341

Scales and comparisons

• 398,009 seconds is equal to 4 days, 14 hours, 33 minutes, 29 seconds.
• To count from 1 to 398,009 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 398009 cubic inches would be around 6.1 feet tall.

Recreational maths with 398009

• 398009 backwards is 900893
• The number of decimal digits it has is: 6
• The sum of 398009's digits is 29
• More coming soon!