13165805961

Names of 13165805961

• Cardinal: 13165805961 can be written as Thirteen billion, one hundred sixty-five million, eight hundred five thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 1.3165805961 × 10¹⁰

Factors of 13165805961

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 218421

Divisors of 13165805961

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 11 21 27 29 33 63 77 87 99 189 203 231 261 297 319 609 693 783 957 1827 2079 2233 2871 5481 6699 8613 20097 60291 218371 655113 1528597 1965339 2402081 4585791 5896017 6332759 7206243 13757373 16814567 18998277 21618729 41272119 44329313 50443701 56994831 64856187 69660349 132987939 151331103 170984493 208981047 398963817 453993309 487622443 626943141 1196891451 1462867329 1880829423 4388601987 13165805961
• Sum of all divisors σ(n): 25156454400
• Sum of proper divisors (its aliquot sum) s(n): 11990648439
• 13165805961 is a deficient number, because the sum of its proper divisors (11990648439) is less than itself. Its deficiency is 1175157522

Bases of 13165805961

• Binary: 1100010000101111100100000110001001₂
• Hexadecimal: 0x310BE4189
• Base-36: 61QKWW9

Squares and roots of 13165805961

• 13165805961 squared (13165805961²) is 173338446602703133521
• 13165805961 cubed (13165805961³) is 2282140353552349114024160718681
• The square root of 13165805961 is 114742.3459800259
• The cube root of 13165805961 is 2361.2890330057

Scales and comparisons

• 13,165,805,961 seconds is equal to 418 years, 32 weeks, 6 days, 19 minutes, 21 seconds.
• To count from 1 to 13,165,805,961 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 13165805961 cubic inches would be around 196.8 feet tall.

Recreational maths with 13165805961

• 13165805961 backwards is 16950856131
• The number of decimal digits it has is: 11
• The sum of 13165805961's digits is 45
• More coming soon!