213499390

Names of 213499390

• Cardinal: 213499390 can be written as Two hundred thirteen million, four hundred ninety-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.1349939 × 10⁸

Factors of 213499390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 209

Divisors of 213499390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 19 26 38 61 65 95 109 122 130 169 190 218 247 305 338 494 545 610 793 845 1090 1159 1235 1417 1586 1690 2071 2318 2470 2834 3211 3965 4142 5795 6422 6649 7085 7930 10309 10355 11590 13298 14170 15067 16055 18421 20618 20710 26923 30134 32110 33245 36842 51545 53846 66490 75335 86437 92105 103090 126331 134615 150670 172874 184210 195871 252662 269230 349999 391742 432185 631655 699998 864370 979355 1123681 1263310 1642303 1749995 1958710 2247362 3284606 3499990 5618405 8211515 11236810 16423030 21349939 42699878 106749695 213499390
• Sum of all divisors σ(n): 449301600
• Sum of proper divisors (its aliquot sum) s(n): 235802210
• 213499390 is an abundant number, because the sum of its proper divisors (235802210) is greater than itself. Its abundance is 22302820

Bases of 213499390

• Binary: 1100101110011011110111111110₂
• Hexadecimal: 0xCB9BDFE
• Base-36: 3J416M

Squares and roots of 213499390

• 213499390 squared (213499390²) is 45581989530372100
• 213499390 cubed (213499390³) is 9731726959720829823019000
• The square root of 213499390 is 14611.6183224175
• The cube root of 213499390 is 597.6756274855

Scales and comparisons

• 213,499,390 seconds is equal to 6 years, 41 weeks, 1 hour, 23 minutes, 10 seconds.
• To count from 1 to 213,499,390 would take you about ten 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 213499390 cubic inches would be around 49.8 feet tall.

Recreational maths with 213499390

• 213499390 backwards is 093994312
• The number of decimal digits it has is: 9
• The sum of 213499390's digits is 40
• More coming soon!