2838

Names of 2838

• Cardinal: 2838 can be written as Two thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 2.838 × 10³

Factors of 2838

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 59

Divisors of 2838

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 11 22 33 43 66 86 129 258 473 946 1419 2838
• Sum of all divisors σ(n): 6336
• Sum of proper divisors (its aliquot sum) s(n): 3498
• 2838 is an abundant number, because the sum of its proper divisors (3498) is greater than itself. Its abundance is 660

Bases of 2838

• Binary: 101100010110₂
• Hexadecimal: 0xB16
• Base-36: 26U

Squares and roots of 2838

• 2838 squared (2838²) is 8054244
• 2838 cubed (2838³) is 22857944472
• The square root of 2838 is 53.2728824075
• The cube root of 2838 is 14.1580724499

Scales and comparisons

• 2,838 seconds is equal to 47 minutes, 18 seconds.
• To count from 1 to 2,838 would take you about forty-seven 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 2838 cubic inches would be around 1.2 feet tall.

Recreational maths with 2838

• 2838 backwards is 8382
• The number of decimal digits it has is: 4
• The sum of 2838's digits is 21
• More coming soon!