7490

Names of 7490

• Cardinal: 7490 can be written as Seven thousand, four hundred ninety.

Scientific notation

• Scientific notation: 7.49 × 10³

Factors of 7490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 121

Divisors of 7490

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 7 10 14 35 70 107 214 535 749 1070 1498 3745 7490
• Sum of all divisors σ(n): 15552
• Sum of proper divisors (its aliquot sum) s(n): 8062
• 7490 is an abundant number, because the sum of its proper divisors (8062) is greater than itself. Its abundance is 572

Bases of 7490

• Binary: 1110101000010₂
• Hexadecimal: 0x1D42
• Base-36: 5S2

Squares and roots of 7490

• 7490 squared (7490²) is 56100100
• 7490 cubed (7490³) is 420189749000
• The square root of 7490 is 86.5447860937
• The cube root of 7490 is 19.5656346307

Scales and comparisons

• 7,490 seconds is equal to 2 hours, 4 minutes, 50 seconds.
• To count from 1 to 7,490 would take you about two hours.

  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 7490 cubic inches would be around 1.6 feet tall.

Recreational maths with 7490

• 7490 backwards is 0947
• The number of decimal digits it has is: 4
• The sum of 7490's digits is 20
• More coming soon!