74145

Names of 74145

• Cardinal: 74145 can be written as Seventy-four thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 7.4145 × 10⁴

Factors of 74145

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4951

Divisors of 74145

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 4943 14829 24715 74145
• Sum of all divisors σ(n): 118656
• Sum of proper divisors (its aliquot sum) s(n): 44511
• 74145 is a deficient number, because the sum of its proper divisors (44511) is less than itself. Its deficiency is 29634

Bases of 74145

• Binary: 10010000110100001₂
• Hexadecimal: 0x121A1
• Base-36: 1L7L

Squares and roots of 74145

• 74145 squared (74145²) is 5497481025
• 74145 cubed (74145³) is 407610730598625
• The square root of 74145 is 272.2957950465
• The cube root of 74145 is 42.0107682141

Scales and comparisons

• 74,145 seconds is equal to 20 hours, 35 minutes, 45 seconds.
• To count from 1 to 74,145 would take you about twenty 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 74145 cubic inches would be around 3.5 feet tall.

Recreational maths with 74145

• 74145 backwards is 54147
• The number of decimal digits it has is: 5
• The sum of 74145's digits is 21
• More coming soon!