100390

Names of 100390

• Cardinal: 100390 can be written as One hundred thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.0039 × 10⁵

Factors of 100390

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10046

Divisors of 100390

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 10039 20078 50195 100390
• Sum of all divisors σ(n): 180720
• Sum of proper divisors (its aliquot sum) s(n): 80330
• 100390 is a deficient number, because the sum of its proper divisors (80330) is less than itself. Its deficiency is 20060

Bases of 100390

• Binary: 11000100000100110₂
• Hexadecimal: 0x18826
• Base-36: 25GM

Squares and roots of 100390

• 100390 squared (100390²) is 10078152100
• 100390 cubed (100390³) is 1011745689319000
• The square root of 100390 is 316.8438101021
• The cube root of 100390 is 46.4761507175

Scales and comparisons

• 100,390 seconds is equal to 1 day, 3 hours, 53 minutes, 10 seconds.
• To count from 1 to 100,390 would take you about three hours.

  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 100390 cubic inches would be around 3.9 feet tall.

Recreational maths with 100390

• 100390 backwards is 093001
• The number of decimal digits it has is: 6
• The sum of 100390's digits is 13
• More coming soon!