28078

Names of 28078

• Cardinal: 28078 can be written as Twenty-eight thousand and seventy-eight.

Scientific notation

• Scientific notation: 2.8078 × 10⁴

Factors of 28078

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 242

Divisors of 28078

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 101 139 202 278 14039 28078
• Sum of all divisors σ(n): 42840
• Sum of proper divisors (its aliquot sum) s(n): 14762
• 28078 is a deficient number, because the sum of its proper divisors (14762) is less than itself. Its deficiency is 13316

Bases of 28078

• Binary: 110110110101110₂
• Hexadecimal: 0x6DAE
• Base-36: LNY

Squares and roots of 28078

• 28078 squared (28078²) is 788374084
• 28078 cubed (28078³) is 22135967530552
• The square root of 28078 is 167.5649127951
• The cube root of 28078 is 30.3940604739

Scales and comparisons

• 28,078 seconds is equal to 7 hours, 47 minutes, 58 seconds.
• To count from 1 to 28,078 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 28078 cubic inches would be around 2.5 feet tall.

Recreational maths with 28078

• 28078 backwards is 87082
• The number of decimal digits it has is: 5
• The sum of 28078's digits is 25
• More coming soon!