13155020191

Names of 13155020191

• Cardinal: 13155020191 can be written as Thirteen billion, one hundred fifty-five million, twenty thousand, one hundred ninety-one.

Scientific notation

• Scientific notation: 1.3155020191 × 10¹⁰

Factors of 13155020191

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 190912

Divisors of 13155020191

• Number of divisors d(n): 8
• Complete list of divisors:
  1 41 1681 68921 190871 7825711 320854151 13155020191
• Sum of all divisors σ(n): 13483961568
• Sum of proper divisors (its aliquot sum) s(n): 328941377
• 13155020191 is a deficient number, because the sum of its proper divisors (328941377) is less than itself. Its deficiency is 12826078814

Bases of 13155020191

• Binary: 1100010000000110011010110110011111₂
• Hexadecimal: 0x31019AD9F
• Base-36: 61K5QJJ

Squares and roots of 13155020191

• 13155020191 squared (13155020191²) is 173054556225617676481
• 13155020191 cubed (13155020191³) is 2276536181292545285554060827871
• The square root of 13155020191 is 114695.3363960365
• The cube root of 13155020191 is 2360.6440470873

Scales and comparisons

• 13,155,020,191 seconds is equal to 418 years, 15 weeks, 4 hours, 16 minutes, 31 seconds.
• To count from 1 to 13,155,020,191 would take you about eight hundred thirty-six 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 13155020191 cubic inches would be around 196.7 feet tall.

Recreational maths with 13155020191

• 13155020191 backwards is 19102055131
• The number of decimal digits it has is: 11
• The sum of 13155020191's digits is 28
• More coming soon!