16490

Names of 16490

• Cardinal: 16490 can be written as Sixteen thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.649 × 10⁴

Factors of 16490

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

Divisors of 16490

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 17 34 85 97 170 194 485 970 1649 3298 8245 16490
• Sum of all divisors σ(n): 31752
• Sum of proper divisors (its aliquot sum) s(n): 15262
• 16490 is a deficient number, because the sum of its proper divisors (15262) is less than itself. Its deficiency is 1228

Bases of 16490

• Binary: 100000001101010₂
• Hexadecimal: 0x406A
• Base-36: CQ2

Squares and roots of 16490

• 16490 squared (16490²) is 271920100
• 16490 cubed (16490³) is 4483962449000
• The square root of 16490 is 128.4133949399
• The cube root of 16490 is 25.4530727349

Scales and comparisons

• 16,490 seconds is equal to 4 hours, 34 minutes, 50 seconds.
• To count from 1 to 16,490 would take you about four 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 16490 cubic inches would be around 2.1 feet tall.

Recreational maths with 16490

• 16490 backwards is 09461
• The number of decimal digits it has is: 5
• The sum of 16490's digits is 20
• More coming soon!