21121133

Names of 21121133

• Cardinal: 21121133 can be written as Twenty-one million, one hundred twenty-one thousand, one hundred thirty-three.

Scientific notation

• Scientific notation: 2.1121133 × 10⁷

Factors of 21121133

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3115

Divisors of 21121133

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 853 2251 9383 24761 1920103 21121133
• Sum of all divisors σ(n): 23078496
• Sum of proper divisors (its aliquot sum) s(n): 1957363
• 21121133 is a deficient number, because the sum of its proper divisors (1957363) is less than itself. Its deficiency is 19163770

Bases of 21121133

• Binary: 1010000100100100001101101₂
• Hexadecimal: 0x142486D
• Base-36: CKP65

Squares and roots of 21121133

• 21121133 squared (21121133²) is 446102259203689
• 21121133 cubed (21121133³) is 9422185148241589459637
• The square root of 21121133 is 4595.7733843173
• The cube root of 21121133 is 276.4218719843

Scales and comparisons

• 21,121,133 seconds is equal to 34 weeks, 6 days, 10 hours, 58 minutes, 53 seconds.
• To count from 1 to 21,121,133 would take you about two days!

  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 21121133 cubic inches would be around 23 feet tall.

Recreational maths with 21121133

• 21121133 backwards is 33112112
• The number of decimal digits it has is: 8
• The sum of 21121133's digits is 14
• More coming soon!