16428

Names of 16428

• Cardinal: 16428 can be written as Sixteen thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.6428 × 10⁴

Factors of 16428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 42

Divisors of 16428

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 3 4 6 12 37 74 111 148 222 444 1369 2738 4107 5476 8214 16428
• Sum of all divisors σ(n): 39396
• Sum of proper divisors (its aliquot sum) s(n): 22968
• 16428 is an abundant number, because the sum of its proper divisors (22968) is greater than itself. Its abundance is 6540

Bases of 16428

• Binary: 100000000101100₂
• Hexadecimal: 0x402C
• Base-36: COC

Squares and roots of 16428

• 16428 squared (16428²) is 269879184
• 16428 cubed (16428³) is 4433575234752
• The square root of 16428 is 128.1717597599
• The cube root of 16428 is 25.4211327217

Scales and comparisons

• 16,428 seconds is equal to 4 hours, 33 minutes, 48 seconds.
• To count from 1 to 16,428 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 16428 cubic inches would be around 2.1 feet tall.

Recreational maths with 16428

• 16428 backwards is 82461
• The number of decimal digits it has is: 5
• The sum of 16428's digits is 21
• More coming soon!