13165743129

Names of 13165743129

• Cardinal: 13165743129 can be written as Thirteen billion, one hundred sixty-five million, seven hundred forty-three thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 1.3165743129 × 10¹⁰

Factors of 13165743129

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1182

Divisors of 13165743129

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 11 21 33 77 231 331 409 421 993 1227 1263 2317 2863 2947 3641 4499 4631 6951 8589 8841 10923 13497 13893 25487 31493 32417 76461 94479 97251 135379 139351 172189 406137 418053 516567 947653 975457 1205323 1489169 1532861 1894079 2842959 2926371 3615969 4467507 4598583 5682237 10424183 10730027 13258553 31272549 32190081 39775659 56994559 170983677 398961913 626940149 1196885739 1880820447 4388581043 13165743129
• Sum of all divisors σ(n): 22057973760
• Sum of proper divisors (its aliquot sum) s(n): 8892230631
• 13165743129 is a deficient number, because the sum of its proper divisors (8892230631) is less than itself. Its deficiency is 4273512498

Bases of 13165743129

• Binary: 1100010000101111010100110000011001₂
• Hexadecimal: 0x310BD4C19
• Base-36: 61QJKEX

Squares and roots of 13165743129

• 13165743129 squared (13165743129²) is 173336792138810710641
• 13165743129 cubed (13165743129³) is 2282107680104448327853352935689
• The square root of 13165743129 is 114742.0721836589
• The cube root of 13165743129 is 2361.2852766907

Scales and comparisons

• 13,165,743,129 seconds is equal to 418 years, 32 weeks, 5 days, 6 hours, 52 minutes, 9 seconds.
• To count from 1 to 13,165,743,129 would take you about eight hundred thirty-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 13165743129 cubic inches would be around 196.8 feet tall.

Recreational maths with 13165743129

• 13165743129 backwards is 92134756131
• The number of decimal digits it has is: 11
• The sum of 13165743129's digits is 42
• More coming soon!