838

Names of 838

• Cardinal: 838 can be written as Eight hundred thirty-eight.

Scientific notation

• Scientific notation: 8.38 × 10²

Factors of 838

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 421

Divisors of 838

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 419 838
• Sum of all divisors σ(n): 1260
• Sum of proper divisors (its aliquot sum) s(n): 422
• 838 is a deficient number, because the sum of its proper divisors (422) is less than itself. Its deficiency is 416

Bases of 838

• Binary: 1101000110₂
• Hexadecimal: 0x346
• Base-36: NA

Squares and roots of 838

• 838 squared (838²) is 702244
• 838 cubed (838³) is 588480472
• The square root of 838 is 28.9482296523
• The cube root of 838 is 9.4278936065

Scales and comparisons

• 838 seconds is equal to 13 minutes, 58 seconds.
• To count from 1 to 838 would take you about six minutes.

  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 838 cubic inches would be around 0.8 feet tall.

Recreational maths with 838

• 838 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 838's digits is 19
• More coming soon!