12961715520

Names of 12961715520

• Cardinal: 12961715520 can be written as Twelve billion, nine hundred sixty-one million, seven hundred fifteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.296171552 × 10¹⁰

Factors of 12961715520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1038622

Divisors of 12961715520

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 130 156 160 192 195 208 240 260 312 320 390 416 480 520 624 780 832 960 1040 1248 1560 2080 2496 3120 4160 6240 12480 1038599 2077198 3115797 4154396 5192995 6231594 8308792 10385990 12463188 13501787 15578985 16617584 20771980 24926376 27003574 31157970 33235168 40505361 41543960 49852752 54007148 62315940 66470336 67508935 81010722 83087920 99705504 108014296 124631880 135017870 162021444 166175840 199411008 202526805 216028592 249263760 270035740 324042888 332351680 405053610 432057184 498527520 540071480 648085776 810107220 864114368 997055040 1080142960 1296171552 1620214440 2160285920 2592343104 3240428880 4320571840 6480857760 12961715520
• Sum of all divisors σ(n): 44319139200
• Sum of proper divisors (its aliquot sum) s(n): 31357423680
• 12961715520 is an abundant number, because the sum of its proper divisors (31357423680) is greater than itself. Its abundance is 18395708160

Bases of 12961715520

• Binary: 1100000100100101000001010101000000₂
• Hexadecimal: 0x304941540
• Base-36: 5YD2JPC

Squares and roots of 12961715520

• 12961715520 squared (12961715520²) is 168006069221408870400
• 12961715520 cubed (12961715520³) is 2177646874881329671729348608000
• The square root of 12961715520 is 113849.5301703087
• The cube root of 12961715520 is 2349.0242226245

Scales and comparisons

• 12,961,715,520 seconds is equal to 412 years, 7 weeks, 2 days, 20 hours, 32 minutes.
• To count from 1 to 12,961,715,520 would take you about eight hundred twenty-four 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 12961715520 cubic inches would be around 195.8 feet tall.

Recreational maths with 12961715520

• 12961715520 backwards is 02551716921
• 12961715520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12961715520's digits is 39
• More coming soon!