28002

Names of 28002

• Cardinal: 28002 can be written as Twenty-eight thousand and two.

Scientific notation

• Scientific notation: 2.8002 × 10⁴

Factors of 28002

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 377

Divisors of 28002

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 13 26 39 78 359 718 1077 2154 4667 9334 14001 28002
• Sum of all divisors σ(n): 60480
• Sum of proper divisors (its aliquot sum) s(n): 32478
• 28002 is an abundant number, because the sum of its proper divisors (32478) is greater than itself. Its abundance is 4476

Bases of 28002

• Binary: 110110101100010₂
• Hexadecimal: 0x6D62
• Base-36: LLU

Squares and roots of 28002

• 28002 squared (28002²) is 784112004
• 28002 cubed (28002³) is 21956704336008
• The square root of 28002 is 167.3379813435
• The cube root of 28002 is 30.3666126991

Scales and comparisons

• 28,002 seconds is equal to 7 hours, 46 minutes, 42 seconds.
• To count from 1 to 28,002 would take you about seven 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 28002 cubic inches would be around 2.5 feet tall.

Recreational maths with 28002

• 28002 backwards is 20082
• The number of decimal digits it has is: 5
• The sum of 28002's digits is 12
• More coming soon!