13540424868

Names of 13540424868

• Cardinal: 13540424868 can be written as Thirteen billion, five hundred forty million, four hundred twenty-four thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3540424868 × 10¹⁰

Factors of 13540424868

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3769

Divisors of 13540424868

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 331 662 993 1324 1986 2979 3433 3972 5958 6866 10299 11916 13732 20598 30897 41196 61794 109561 123588 219122 328683 438244 657366 986049 1136323 1314732 1972098 2272646 3408969 3944196 4545292 6817938 10226907 13635876 20453814 40907628 376122913 752245826 1128368739 1504491652 2256737478 3385106217 4513474956 6770212434 13540424868
• Sum of all divisors σ(n): 34340903142
• Sum of proper divisors (its aliquot sum) s(n): 20800478274
• 13540424868 is an abundant number, because the sum of its proper divisors (20800478274) is greater than itself. Its abundance is 7260053406

Bases of 13540424868

• Binary: 1100100111000100100111110010100100₂
• Hexadecimal: 0x327127CA4
• Base-36: 67XMAP0

Squares and roots of 13540424868

• 13540424868 squared (13540424868²) is 183343105605952817424
• 13540424868 cubed (13540424868³) is 2482543546523193737882593300032
• The square root of 13540424868 is 116363.3312861057
• The cube root of 13540424868 is 2383.4758939855

Scales and comparisons

• 13,540,424,868 seconds is equal to 430 years, 28 weeks, 1 day, 21 hours, 7 minutes, 48 seconds.
• To count from 1 to 13,540,424,868 would take you about eight hundred sixty-one 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 13540424868 cubic inches would be around 198.6 feet tall.

Recreational maths with 13540424868

• 13540424868 backwards is 86842404531
• The number of decimal digits it has is: 11
• The sum of 13540424868's digits is 45
• More coming soon!