13268186780

Names of 13268186780

• Cardinal: 13268186780 can be written as Thirteen billion, two hundred sixty-eight million, one hundred eighty-six thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.326818678 × 10¹⁰

Factors of 13268186780

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 337

Divisors of 13268186780

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 19 20 38 76 95 190 311 361 380 622 722 1244 1444 1555 1805 3110 3610 5909 6220 6859 7220 11818 13718 23636 27436 29545 34295 59090 68590 96721 112271 118180 137180 193442 224542 386884 449084 483605 561355 967210 1122710 1837699 1934420 2133149 2245420 3675398 4266298 7350796 8532596 9188495 10665745 18376990 21331490 34916281 36753980 42662980 69832562 139665124 174581405 349162810 663409339 698325620 1326818678 2653637356 3317046695 6634093390 13268186780
• Sum of all divisors σ(n): 29505794640
• Sum of proper divisors (its aliquot sum) s(n): 16237607860
• 13268186780 is an abundant number, because the sum of its proper divisors (16237607860) is greater than itself. Its abundance is 2969421080

Bases of 13268186780

• Binary: 1100010110110110000111011010011100₂
• Hexadecimal: 0x316D8769C
• Base-36: 63FJAFW

Squares and roots of 13268186780

• 13268186780 squared (13268186780²) is 176044780428966768400
• 13268186780 cubed (13268186780³) is 2335795028375619605544201752000
• The square root of 13268186780 is 115187.6155669523
• The cube root of 13268186780 is 2367.3939069929

Scales and comparisons

• 13,268,186,780 seconds is equal to 421 years, 46 weeks, 23 hours, 26 minutes, 20 seconds.
• To count from 1 to 13,268,186,780 would take you about eight hundred forty-three 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 13268186780 cubic inches would be around 197.3 feet tall.

Recreational maths with 13268186780

• 13268186780 backwards is 08768186231
• The number of decimal digits it has is: 11
• The sum of 13268186780's digits is 50
• More coming soon!