4245

Names of 4245

• Cardinal: 4245 can be written as Four thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 4.245 × 10³

Factors of 4245

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 291

Divisors of 4245

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 283 849 1415 4245
• Sum of all divisors σ(n): 6816
• Sum of proper divisors (its aliquot sum) s(n): 2571
• 4245 is a deficient number, because the sum of its proper divisors (2571) is less than itself. Its deficiency is 1674

Bases of 4245

• Binary: 1000010010101₂
• Hexadecimal: 0x1095
• Base-36: 39X

Squares and roots of 4245

• 4245 squared (4245²) is 18020025
• 4245 cubed (4245³) is 76495006125
• The square root of 4245 is 65.1536645171
• The cube root of 4245 is 16.1917043337

Scales and comparisons

• 4,245 seconds is equal to 1 hour, 10 minutes, 45 seconds.
• To count from 1 to 4,245 would take you about ten 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 4245 cubic inches would be around 1.3 feet tall.

Recreational maths with 4245

• 4245 backwards is 5424
• 4245 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 4245's digits is 15
• More coming soon!