13045371491

Names of 13045371491

• Cardinal: 13045371491 can be written as Thirteen billion, forty-five million, three hundred seventy-one thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 1.3045371491 × 10¹⁰

Factors of 13045371491

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10013100

Divisors of 13045371491

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1303 10011797 13045371491
• Sum of all divisors σ(n): 13055384592
• Sum of proper divisors (its aliquot sum) s(n): 10013101
• 13045371491 is a deficient number, because the sum of its proper divisors (10013101) is less than itself. Its deficiency is 13035358390

Bases of 13045371491

• Binary: 1100001001100100001001001001100011₂
• Hexadecimal: 0x309909263
• Base-36: 5ZQVL2B

Squares and roots of 13045371491

• 13045371491 squared (13045371491²) is 170181717338195563081
• 13045371491 cubed (13045371491³) is 2220083723653116803999569523771
• The square root of 13045371491 is 114216.3363578083
• The cube root of 13045371491 is 2354.0669874155

Scales and comparisons

• 13,045,371,491 seconds is equal to 414 years, 41 weeks, 5 days, 2 hours, 18 minutes, 11 seconds.
• To count from 1 to 13,045,371,491 would take you about eight hundred twenty-nine 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 13045371491 cubic inches would be around 196.2 feet tall.

Recreational maths with 13045371491

• 13045371491 backwards is 19417354031
• The number of decimal digits it has is: 11
• The sum of 13045371491's digits is 38
• More coming soon!