13040685820

Names of 13040685820

• Cardinal: 13040685820 can be written as Thirteen billion, forty million, six hundred eighty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.304068582 × 10¹⁰

Factors of 13040685820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 258

Divisors of 13040685820

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 10 20 23 46 92 97 115 131 194 230 262 388 460 485 524 529 655 970 1058 1310 1940 2116 2231 2620 2645 3013 4462 5290 6026 8924 9409 10580 11155 12052 12707 15065 18818 22310 25414 30130 37636 44620 47045 50828 51313 60260 63535 69299 94090 102626 127070 138598 188180 205252 216407 254140 256565 277196 292261 346495 432814 513130 584522 692990 865628 1026260 1082035 1169044 1232579 1385980 1461305 2164070 2465158 2922610 4328140 4930316 4977361 5845220 6162895 6722003 9954722 12325790 13444006 19909444 24651580 24886805 26888012 28349317 33610015 49773610 56698634 67220030 99547220 113397268 134440060 141746585 283493170 566986340 652034291 1304068582 2608137164 3260171455 6520342910 13040685820
• Sum of all divisors σ(n): 29146864824
• Sum of proper divisors (its aliquot sum) s(n): 16106179004
• 13040685820 is an abundant number, because the sum of its proper divisors (16106179004) is greater than itself. Its abundance is 3065493184

Bases of 13040685820

• Binary: 1100001001010010010001001011111100₂
• Hexadecimal: 0x3094912FC
• Base-36: 5ZO35KS

Squares and roots of 13040685820

• 13040685820 squared (13040685820²) is 170059486655949072400
• 13040685820 cubed (13040685820³) is 2217692336190714287088833368000
• The square root of 13040685820 is 114195.8222528303
• The cube root of 13040685820 is 2353.7851069971

Scales and comparisons

• 13,040,685,820 seconds is equal to 414 years, 33 weeks, 6 days, 20 hours, 43 minutes, 40 seconds.
• To count from 1 to 13,040,685,820 would take you about eight hundred twenty-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 13040685820 cubic inches would be around 196.1 feet tall.

Recreational maths with 13040685820

• 13040685820 backwards is 02858604031
• The number of decimal digits it has is: 11
• The sum of 13040685820's digits is 37
• More coming soon!