198409

Names of 198409

• Cardinal: 198409 can be written as One hundred ninety-eight thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.98409 × 10⁵

Factors of 198409

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 198409

Divisors of 198409

• Number of divisors d(n): 2
• Complete list of divisors:
  1 198409
• Sum of all divisors σ(n): 198410
• Sum of proper divisors (its aliquot sum) s(n): 1
• 198409 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 198408

Bases of 198409

• Binary: 110000011100001001₂
• Hexadecimal: 0x30709
• Base-36: 493D

Squares and roots of 198409

• 198409 squared (198409²) is 39366131281
• 198409 cubed (198409³) is 7810594741331929
• The square root of 198409 is 445.4312517101
• The cube root of 198409 is 58.3248713349

Scales and comparisons

• 198,409 seconds is equal to 2 days, 7 hours, 6 minutes, 49 seconds.
• To count from 1 to 198,409 would take you about two 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 198409 cubic inches would be around 4.9 feet tall.

Recreational maths with 198409

• 198409 backwards is 904891
• The number of decimal digits it has is: 6
• The sum of 198409's digits is 31
• More coming soon!