13356778820

Names of 13356778820

• Cardinal: 13356778820 can be written as Thirteen billion, three hundred fifty-six million, seven hundred seventy-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.335677882 × 10¹⁰

Factors of 13356778820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10367

Divisors of 13356778820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 29 35 44 55 58 70 77 110 116 140 145 154 203 220 290 308 319 385 406 580 638 770 812 841 1015 1276 1540 1595 1682 2030 2233 3190 3364 4060 4205 4466 5887 6380 8410 8932 9251 10313 11165 11774 16820 18502 20626 22330 23548 29435 37004 41252 44660 46255 51565 58870 64757 72191 92510 103130 113443 117740 129514 144382 185020 206260 226886 259028 288764 299077 323785 360955 453772 567215 598154 647570 721910 794101 1134430 1196308 1295140 1443820 1495385 1588202 2093539 2268860 2990770 3176404 3289847 3970505 4187078 5981540 6579694 7941010 8374156 8673233 10467695 13159388 15882020 16449235 17346466 20935390 23028929 32898470 34692932 41870780 43366165 46057858 60712631 65796940 86732330 92115716 95405563 115144645 121425262 173464660 190811126 230289290 242850524 303563155 381622252 460578580 477027815 607126310 667838941 954055630 1214252620 1335677882 1908111260 2671355764 3339194705 6678389410 13356778820
• Sum of all divisors σ(n): 36221447808
• Sum of proper divisors (its aliquot sum) s(n): 22864668988
• 13356778820 is an abundant number, because the sum of its proper divisors (22864668988) is greater than itself. Its abundance is 9507890168

Bases of 13356778820

• Binary: 1100011100001000000100010101000100₂
• Hexadecimal: 0x31C204544
• Base-36: 64WA4HW

Squares and roots of 13356778820

• 13356778820 squared (13356778820²) is 178403540446400592400
• 13356778820 cubed (13356778820³) is 2382896630447496777803772968000
• The square root of 13356778820 is 115571.5311830729
• The cube root of 13356778820 is 2372.6512740341

Scales and comparisons

• 13,356,778,820 seconds is equal to 424 years, 36 weeks, 4 days, 8 hours, 20 minutes, 20 seconds.
• To count from 1 to 13,356,778,820 would take you about eight hundred forty-nine 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 13356778820 cubic inches would be around 197.7 feet tall.

Recreational maths with 13356778820

• 13356778820 backwards is 02887765331
• The number of decimal digits it has is: 11
• The sum of 13356778820's digits is 50
• More coming soon!