28070

Names of 28070

• Cardinal: 28070 can be written as Twenty-eight thousand and seventy.

Scientific notation

• Scientific notation: 2.807 × 10⁴

Factors of 28070

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 415

Divisors of 28070

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 7 10 14 35 70 401 802 2005 2807 4010 5614 14035 28070
• Sum of all divisors σ(n): 57888
• Sum of proper divisors (its aliquot sum) s(n): 29818
• 28070 is an abundant number, because the sum of its proper divisors (29818) is greater than itself. Its abundance is 1748

Bases of 28070

• Binary: 110110110100110₂
• Hexadecimal: 0x6DA6
• Base-36: LNQ

Squares and roots of 28070

• 28070 squared (28070²) is 787924900
• 28070 cubed (28070³) is 22117051943000
• The square root of 28070 is 167.5410397485
• The cube root of 28070 is 30.3911735687

Scales and comparisons

• 28,070 seconds is equal to 7 hours, 47 minutes, 50 seconds.
• To count from 1 to 28,070 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 28070 cubic inches would be around 2.5 feet tall.

Recreational maths with 28070

• 28070 backwards is 07082
• The number of decimal digits it has is: 5
• The sum of 28070's digits is 17
• More coming soon!