90105

Names of 90105

• Cardinal: 90105 can be written as Ninety thousand, one hundred five.

Scientific notation

• Scientific notation: 9.0105 × 10⁴

Factors of 90105

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6015

Divisors of 90105

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 6007 18021 30035 90105
• Sum of all divisors σ(n): 144192
• Sum of proper divisors (its aliquot sum) s(n): 54087
• 90105 is a deficient number, because the sum of its proper divisors (54087) is less than itself. Its deficiency is 36018

Bases of 90105

• Binary: 10101111111111001₂
• Hexadecimal: 0x15FF9
• Base-36: 1XIX

Squares and roots of 90105

• 90105 squared (90105²) is 8118911025
• 90105 cubed (90105³) is 731554477907625
• The square root of 90105 is 300.1749489881
• The cube root of 90105 is 44.8314683777

Scales and comparisons

• 90,105 seconds is equal to 1 day, 1 hour, 1 minute, 45 seconds.
• To count from 1 to 90,105 would take you about forty-five seconds.

  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 90105 cubic inches would be around 3.7 feet tall.

Recreational maths with 90105

• 90105 backwards is 50109
• 90105 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 90105's digits is 15
• More coming soon!