2490

Names of 2490

• Cardinal: 2490 can be written as Two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.49 × 10³

Factors of 2490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 93

Divisors of 2490

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490
• Sum of all divisors σ(n): 6048
• Sum of proper divisors (its aliquot sum) s(n): 3558
• 2490 is an abundant number, because the sum of its proper divisors (3558) is greater than itself. Its abundance is 1068

Bases of 2490

• Binary: 100110111010₂
• Hexadecimal: 0x9BA
• Base-36: 1X6

Squares and roots of 2490

• 2490 squared (2490²) is 6200100
• 2490 cubed (2490³) is 15438249000
• The square root of 2490 is 49.8998997995
• The cube root of 2490 is 13.5539677837

Scales and comparisons

• 2,490 seconds is equal to 41 minutes, 30 seconds.
• To count from 1 to 2,490 would take you about forty-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 2490 cubic inches would be around 1.1 feet tall.

Recreational maths with 2490

• 2490 backwards is 0942
• 2490 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 2490's digits is 15
• More coming soon!