12990203005

Names of 12990203005

• Cardinal: 12990203005 can be written as Twelve billion, nine hundred ninety million, two hundred three thousand and five.

Scientific notation

• Scientific notation: 1.2990203005 × 10¹⁰

Factors of 12990203005

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3682

Divisors of 12990203005

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 19 23 65 95 115 131 247 299 437 655 1235 1495 1703 2185 2489 3013 3491 5681 8515 12445 15065 17455 28405 32357 39169 45383 57247 66329 80293 161785 195845 226915 286235 331645 401465 457321 744211 862277 1043809 1525567 2286605 3721055 4311385 5219045 5945173 7627835 8689099 10518383 19832371 29725865 43445495 52591915 99161855 112958287 136738979 199849277 564791435 683694895 999246385 2598040601 12990203005
• Sum of all divisors σ(n): 18585262080
• Sum of proper divisors (its aliquot sum) s(n): 5595059075
• 12990203005 is a deficient number, because the sum of its proper divisors (5595059075) is less than itself. Its deficiency is 7395143930

Bases of 12990203005

• Binary: 1100000110010001101100010001111101₂
• Hexadecimal: 0x30646C47D
• Base-36: 5YU14SD

Squares and roots of 12990203005

• 12990203005 squared (12990203005²) is 168745374111111030025
• 12990203005 cubed (12990203005³) is 2192036665858003706119400225125
• The square root of 12990203005 is 113974.5717473859
• The cube root of 12990203005 is 2350.7438722499

Scales and comparisons

• 12,990,203,005 seconds is equal to 413 years, 2 weeks, 3 days, 13 hours, 43 minutes, 25 seconds.
• To count from 1 to 12,990,203,005 would take you about eight hundred twenty-six 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 12990203005 cubic inches would be around 195.9 feet tall.

Recreational maths with 12990203005

• 12990203005 backwards is 50030209921
• The number of decimal digits it has is: 11
• The sum of 12990203005's digits is 31
• More coming soon!