998638

Names of 998638

• Cardinal: 998638 can be written as Nine hundred ninety-eight thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 9.98638 × 10⁵

Factors of 998638

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2378

Divisors of 998638

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 233 466 2143 4286 499319 998638
• Sum of all divisors σ(n): 1505088
• Sum of proper divisors (its aliquot sum) s(n): 506450
• 998638 is a deficient number, because the sum of its proper divisors (506450) is less than itself. Its deficiency is 492188

Bases of 998638

• Binary: 11110011110011101110₂
• Hexadecimal: 0xF3CEE
• Base-36: LEJY

Squares and roots of 998638

• 998638 squared (998638²) is 997277855044
• 998638 cubed (998638³) is 995919562605430072
• The square root of 998638 is 999.3187679615
• The cube root of 998638 is 99.9545793727

Scales and comparisons

• 998,638 seconds is equal to 1 week, 4 days, 13 hours, 23 minutes, 58 seconds.
• To count from 1 to 998,638 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 998638 cubic inches would be around 8.3 feet tall.

Recreational maths with 998638

• 998638 backwards is 836899
• The number of decimal digits it has is: 6
• The sum of 998638's digits is 43
• More coming soon!