4728138

Names of 4728138

• Cardinal: 4728138 can be written as Four million, seven hundred twenty-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 4.728138 × 10⁶

Factors of 4728138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 788028

Divisors of 4728138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 788023 1576046 2364069 4728138
• Sum of all divisors σ(n): 9456288
• Sum of proper divisors (its aliquot sum) s(n): 4728150
• 4728138 is an abundant number, because the sum of its proper divisors (4728150) is greater than itself. Its abundance is 12

Bases of 4728138

• Binary: 10010000010010101001010₂
• Hexadecimal: 0x48254A
• Base-36: 2TC96

Squares and roots of 4728138

• 4728138 squared (4728138²) is 22355288947044
• 4728138 cubed (4728138³) is 105698891171498724072
• The square root of 4728138 is 2174.4282007001
• The cube root of 4728138 is 167.8404806673

Scales and comparisons

• 4,728,138 seconds is equal to 7 weeks, 5 days, 17 hours, 22 minutes, 18 seconds.
• To count from 1 to 4,728,138 would take you about eleven weeks!

  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 4728138 cubic inches would be around 14 feet tall.

Recreational maths with 4728138

• 4728138 backwards is 8318274
• The number of decimal digits it has is: 7
• The sum of 4728138's digits is 33
• More coming soon!