13122121

Names of 13122121

• Cardinal: 13122121 can be written as Thirteen million, one hundred twenty-two thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.3122121 × 10⁷

Factors of 13122121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 570550

Divisors of 13122121

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 570527 13122121
• Sum of all divisors σ(n): 13692672
• Sum of proper divisors (its aliquot sum) s(n): 570551
• 13122121 is a deficient number, because the sum of its proper divisors (570551) is less than itself. Its deficiency is 12551570

Bases of 13122121

• Binary: 110010000011101001001001₂
• Hexadecimal: 0xC83A49
• Base-36: 7T93D

Squares and roots of 13122121

• 13122121 squared (13122121²) is 172190059538641
• 13122121 cubed (13122121³) is 2259498796263251377561
• The square root of 13122121 is 3622.4468250065
• The cube root of 13122121 is 235.8674504645

Scales and comparisons

• 13,122,121 seconds is equal to 21 weeks, 4 days, 21 hours, 2 minutes, 1 second.
• To count from 1 to 13,122,121 would take you about thirty-two weeks!

  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 13122121 cubic inches would be around 19.7 feet tall.

Recreational maths with 13122121

• 13122121 backwards is 12122131
• The number of decimal digits it has is: 8
• The sum of 13122121's digits is 13
• More coming soon!