90155

Names of 90155

• Cardinal: 90155 can be written as Ninety thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 9.0155 × 10⁴

Factors of 90155

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 110

Divisors of 90155

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 13 19 65 73 95 247 365 949 1235 1387 4745 6935 18031 90155
• Sum of all divisors σ(n): 124320
• Sum of proper divisors (its aliquot sum) s(n): 34165
• 90155 is a deficient number, because the sum of its proper divisors (34165) is less than itself. Its deficiency is 55990

Bases of 90155

• Binary: 10110000000101011₂
• Hexadecimal: 0x1602B
• Base-36: 1XKB

Squares and roots of 90155

• 90155 squared (90155²) is 8127924025
• 90155 cubed (90155³) is 732772990473875
• The square root of 90155 is 300.2582222021
• The cube root of 90155 is 44.8397592935

Scales and comparisons

• 90,155 seconds is equal to 1 day, 1 hour, 2 minutes, 35 seconds.
• To count from 1 to 90,155 would take you about two 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 90155 cubic inches would be around 3.7 feet tall.

Recreational maths with 90155

• 90155 backwards is 55109
• The number of decimal digits it has is: 5
• The sum of 90155's digits is 20
• More coming soon!