90243146

Names of 90243146

• Cardinal: 90243146 can be written as Ninety million, two hundred forty-three thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 9.0243146 × 10⁷

Factors of 90243146

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6445948

Divisors of 90243146

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 6445939 12891878 45121573 90243146
• Sum of all divisors σ(n): 154702560
• Sum of proper divisors (its aliquot sum) s(n): 64459414
• 90243146 is a deficient number, because the sum of its proper divisors (64459414) is less than itself. Its deficiency is 25783732

Bases of 90243146

• Binary: 101011000010000000001001010₂
• Hexadecimal: 0x561004A
• Base-36: 1HQ822

Squares and roots of 90243146

• 90243146 squared (90243146²) is 8143825399977316
• 90243146 cubed (90243146³) is 734924424568661324476136
• The square root of 90243146 is 9499.6392563087
• The cube root of 90243146 is 448.5436805251

Scales and comparisons

• 90,243,146 seconds is equal to 2 years, 45 weeks, 1 day, 11 hours, 32 minutes, 26 seconds.
• To count from 1 to 90,243,146 would take you about four years!

  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 90243146 cubic inches would be around 37.4 feet tall.

Recreational maths with 90243146

• 90243146 backwards is 64134209
• The number of decimal digits it has is: 8
• The sum of 90243146's digits is 29
• More coming soon!