12813326890

Names of 12813326890

• Cardinal: 12813326890 can be written as Twelve billion, eight hundred thirteen million, three hundred twenty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.281332689 × 10¹⁰

Factors of 12813326890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 23831

Divisors of 12813326890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 607 910 1214 3035 4249 6070 7891 8498 15782 21245 23197 39455 42490 46394 55237 78910 110474 115985 162379 231970 276185 301561 324758 552370 603122 811895 1507805 1623790 2110927 3015610 4221854 10554635 14080579 21109270 28161158 70402895 98564053 140805790 183047527 197128106 366095054 492820265 915237635 985640530 1281332689 1830475270 2562665378 6406663445 12813326890
• Sum of all divisors σ(n): 28434438144
• Sum of proper divisors (its aliquot sum) s(n): 15621111254
• 12813326890 is an abundant number, because the sum of its proper divisors (15621111254) is greater than itself. Its abundance is 2807784364

Bases of 12813326890

• Binary: 1011111011101110111101101000101010₂
• Hexadecimal: 0x2FBBBDA2A
• Base-36: 5VWQ2AY

Squares and roots of 12813326890

• 12813326890 squared (12813326890²) is 164181345989997072100
• 12813326890 cubed (12813326890³) is 2103709255410023154960198769000
• The square root of 12813326890 is 113195.9667567709
• The cube root of 12813326890 is 2340.0257436231

Scales and comparisons

• 12,813,326,890 seconds is equal to 407 years, 22 weeks, 9 hours, 28 minutes, 10 seconds.
• To count from 1 to 12,813,326,890 would take you about eight hundred fourteen 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 12813326890 cubic inches would be around 195 feet tall.

Recreational maths with 12813326890

• 12813326890 backwards is 09862331821
• The number of decimal digits it has is: 11
• The sum of 12813326890's digits is 43
• More coming soon!