12816996820

Names of 12816996820

• Cardinal: 12816996820 can be written as Twelve billion, eight hundred sixteen million, nine hundred ninety-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.281699682 × 10¹⁰

Factors of 12816996820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10851

Divisors of 12816996820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 19 20 38 47 67 76 94 95 134 188 190 235 268 335 380 470 670 893 940 1273 1340 1786 2546 3149 3572 4465 5092 6298 6365 8930 10711 12596 12730 15745 17860 21422 25460 31490 42844 53555 59831 62980 107110 119662 203509 214220 239324 299155 407018 503417 598310 717637 814036 1006834 1017545 1196620 1435274 2013668 2035090 2517085 2870548 3588185 4070180 5034170 7176370 9564923 10068340 13635103 14352740 19129846 27270206 33728939 38259692 47824615 54540412 67457878 68175515 95649230 134915756 136351030 168644695 191298460 272702060 337289390 640849841 674578780 1281699682 2563399364 3204249205 6408498410 12816996820
• Sum of all divisors σ(n): 29369733120
• Sum of proper divisors (its aliquot sum) s(n): 16552736300
• 12816996820 is an abundant number, because the sum of its proper divisors (16552736300) is greater than itself. Its abundance is 3735739480

Bases of 12816996820

• Binary: 1011111011111100111101100111010100₂
• Hexadecimal: 0x2FBF3D9D4
• Base-36: 5VYWQ1G

Squares and roots of 12816996820

• 12816996820 squared (12816996820²) is 164275407483890112400
• 12816996820 cubed (12816996820³) is 2105517375325223771860242568000
• The square root of 12816996820 is 113212.1761119359
• The cube root of 12816996820 is 2340.2491285149

Scales and comparisons

• 12,816,996,820 seconds is equal to 407 years, 28 weeks, 20 hours, 53 minutes, 40 seconds.
• To count from 1 to 12,816,996,820 would take you about eight hundred fifteen 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 12816996820 cubic inches would be around 195 feet tall.

Recreational maths with 12816996820

• 12816996820 backwards is 02869961821
• The number of decimal digits it has is: 11
• The sum of 12816996820's digits is 52
• More coming soon!