28951

Names of 28951

• Cardinal: 28951 can be written as Twenty-eight thousand, nine hundred fifty-one.

Scientific notation

• Scientific notation: 2.8951 × 10⁴

Factors of 28951

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 161

Divisors of 28951

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 17 131 221 1703 2227 28951
• Sum of all divisors σ(n): 33264
• Sum of proper divisors (its aliquot sum) s(n): 4313
• 28951 is a deficient number, because the sum of its proper divisors (4313) is less than itself. Its deficiency is 24638

Bases of 28951

• Binary: 111000100010111₂
• Hexadecimal: 0x7117
• Base-36: MC7

Squares and roots of 28951

• 28951 squared (28951²) is 838160401
• 28951 cubed (28951³) is 24265581769351
• The square root of 28951 is 170.1499338819
• The cube root of 28951 is 30.7058546485

Scales and comparisons

• 28,951 seconds is equal to 8 hours, 2 minutes, 31 seconds.
• To count from 1 to 28,951 would take you about eight 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 28951 cubic inches would be around 2.6 feet tall.

Recreational maths with 28951

• 28951 backwards is 15982
• The number of decimal digits it has is: 5
• The sum of 28951's digits is 25
• More coming soon!