13145640727

Names of 13145640727

• Cardinal: 13145640727 can be written as Thirteen billion, one hundred forty-five million, six hundred forty thousand, seven hundred twenty-seven.

Scientific notation

• Scientific notation: 1.3145640727 × 10¹⁰

Factors of 13145640727

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 215502368

Divisors of 13145640727

• Number of divisors d(n): 4
• Complete list of divisors:
  1 61 215502307 13145640727
• Sum of all divisors σ(n): 13361143096
• Sum of proper divisors (its aliquot sum) s(n): 215502369
• 13145640727 is a deficient number, because the sum of its proper divisors (215502369) is less than itself. Its deficiency is 12930138358

Bases of 13145640727

• Binary: 1100001111100010101000111100010111₂
• Hexadecimal: 0x30F8A8F17
• Base-36: 61EKPAV

Squares and roots of 13145640727

• 13145640727 squared (13145640727²) is 172807870123361088529
• 13145640727 cubed (13145640727³) is 2271670175439782039493874920583
• The square root of 13145640727 is 114654.4405027559
• The cube root of 13145640727 is 2360.0828712041

Scales and comparisons

• 13,145,640,727 seconds is equal to 417 years, 51 weeks, 3 days, 14 hours, 52 minutes, 7 seconds.
• To count from 1 to 13,145,640,727 would take you about eight hundred thirty-five 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 13145640727 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145640727

• 13145640727 backwards is 72704654131
• The number of decimal digits it has is: 11
• The sum of 13145640727's digits is 40
• More coming soon!