45138

Names of 45138

• Cardinal: 45138 can be written as Forty-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 4.5138 × 10⁴

Factors of 45138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7528

Divisors of 45138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 7523 15046 22569 45138
• Sum of all divisors σ(n): 90288
• Sum of proper divisors (its aliquot sum) s(n): 45150
• 45138 is an abundant number, because the sum of its proper divisors (45150) is greater than itself. Its abundance is 12

Bases of 45138

• Binary: 1011000001010010₂
• Hexadecimal: 0xB052
• Base-36: YTU

Squares and roots of 45138

• 45138 squared (45138²) is 2037439044
• 45138 cubed (45138³) is 91965923568072
• The square root of 45138 is 212.4570544839
• The cube root of 45138 is 35.6052552945

Scales and comparisons

• 45,138 seconds is equal to 12 hours, 32 minutes, 18 seconds.
• To count from 1 to 45,138 would take you about twelve 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 45138 cubic inches would be around 3 feet tall.

Recreational maths with 45138

• 45138 backwards is 83154
• The number of decimal digits it has is: 5
• The sum of 45138's digits is 21
• More coming soon!