13215889889427455

Names of 13215889889427455

• Cardinal: 13215889889427455 can be written as Thirteen quadrillion, two hundred fifteen trillion, eight hundred eighty-nine billion, eight hundred eighty-nine million, four hundred twenty-seven thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.3215889889427455 × 10¹⁶

Factors of 13215889889427455

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 137952465

Divisors of 13215889889427455

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 22992077 114960383 114960385 574801915 2643177977885491 13215889889427455
• Sum of all divisors σ(n): 15859068695027712
• Sum of proper divisors (its aliquot sum) s(n): 2643178805600257
• 13215889889427455 is a deficient number, because the sum of its proper divisors (2643178805600257) is less than itself. Its deficiency is 10572711083827198

Bases of 13215889889427455

• Binary: 101110111100111100100000100110001111111111111111111111₂
• Hexadecimal: 0x2EF3C8263FFFFF
• Base-36: 3M4N3ZZZZZZ

Squares and roots of 13215889889427455

• 13215889889427455 squared (13215889889427455²) is 174659745569470828746187707777025
• 13215889889427455 cubed (13215889889427455³) is 2308283965561541254249590827608173030628053221375
• The square root of 13215889889427455 is 114960383.9999999957
• The cube root of 13215889889427455 is 236427.9430676377

Scales and comparisons

• 13,215,889,889,427,455 seconds is equal to 420,224,419 years, 2 weeks, 5 days, 57 minutes, 35 seconds.
• To count from 1 to 13,215,889,889,427,455 would take you about one billion, two hundred sixty million, six hundred seventy-three thousand, two hundred fifty-seven 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 13215889889427455 cubic inches would be around 19702.3 feet tall.

Recreational maths with 13215889889427455

• 13215889889427455 backwards is 55472498898851231
• The number of decimal digits it has is: 17
• The sum of 13215889889427455's digits is 89
• More coming soon!