4890

Names of 4890

• Cardinal: 4890 can be written as Four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.89 × 10³

Factors of 4890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 173

Divisors of 4890

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 5 6 10 15 30 163 326 489 815 978 1630 2445 4890
• Sum of all divisors σ(n): 11808
• Sum of proper divisors (its aliquot sum) s(n): 6918
• 4890 is an abundant number, because the sum of its proper divisors (6918) is greater than itself. Its abundance is 2028

Bases of 4890

• Binary: 1001100011010₂
• Hexadecimal: 0x131A
• Base-36: 3RU

Squares and roots of 4890

• 4890 squared (4890²) is 23912100
• 4890 cubed (4890³) is 116930169000
• The square root of 4890 is 69.9285349481
• The cube root of 4890 is 16.9734302365

Scales and comparisons

• 4,890 seconds is equal to 1 hour, 21 minutes, 30 seconds.
• To count from 1 to 4,890 would take you about twenty-one 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 4890 cubic inches would be around 1.4 feet tall.

Recreational maths with 4890

• 4890 backwards is 0984
• The number of decimal digits it has is: 4
• The sum of 4890's digits is 21
• More coming soon!