13183381921

Names of 13183381921

• Cardinal: 13183381921 can be written as Thirteen billion, one hundred eighty-three million, three hundred eighty-one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.3183381921 × 10¹⁰

Factors of 13183381921

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13183381921

Divisors of 13183381921

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13183381921
• Sum of all divisors σ(n): 13183381922
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13183381921 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13183381920

Bases of 13183381921

• Binary: 1100010001110010100111000110100001₂
• Hexadecimal: 0x311CA71A1
• Base-36: 6211MLD

Squares and roots of 13183381921

• 13183381921 squared (13183381921²) is 173801558874949650241
• 13183381921 cubed (13183381921³) is 2291292329113628318772472692961
• The square root of 13183381921 is 114818.9092484335
• The cube root of 13183381921 is 2362.3393160257

Scales and comparisons

• 13,183,381,921 seconds is equal to 419 years, 9 weeks, 6 days, 10 hours, 32 minutes, 1 second.
• To count from 1 to 13,183,381,921 would take you about eight hundred thirty-eight years!

  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 13183381921 cubic inches would be around 196.9 feet tall.

Recreational maths with 13183381921

• 13183381921 backwards is 12918338131
• The number of decimal digits it has is: 11
• The sum of 13183381921's digits is 40
• More coming soon!