22155

Names of 22155

• Cardinal: 22155 can be written as Twenty-two thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 2.2155 × 10⁴

Factors of 22155

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 226

Divisors of 22155

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 5 7 15 21 35 105 211 633 1055 1477 3165 4431 7385 22155
• Sum of all divisors σ(n): 40704
• Sum of proper divisors (its aliquot sum) s(n): 18549
• 22155 is a deficient number, because the sum of its proper divisors (18549) is less than itself. Its deficiency is 3606

Bases of 22155

• Binary: 101011010001011₂
• Hexadecimal: 0x568B
• Base-36: H3F

Squares and roots of 22155

• 22155 squared (22155²) is 490844025
• 22155 cubed (22155³) is 10874649373875
• The square root of 22155 is 148.8455575421
• The cube root of 22155 is 28.0860448347

Scales and comparisons

• 22,155 seconds is equal to 6 hours, 9 minutes, 15 seconds.
• To count from 1 to 22,155 would take you about six 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 22155 cubic inches would be around 2.3 feet tall.

Recreational maths with 22155

• 22155 backwards is 55122
• 22155 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 22155's digits is 15
• More coming soon!