18823273209

Names of 18823273209

• Cardinal: 18823273209 can be written as Eighteen billion, eight hundred twenty-three million, two hundred seventy-three thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.8823273209 × 10¹⁰

Factors of 18823273209

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4259

Divisors of 18823273209

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 13 23 27 39 69 81 117 193 207 299 351 579 621 897 1053 1737 1863 2509 2691 4027 4439 5211 7527 8073 12081 13317 15633 22581 24219 36243 39951 52351 57707 67743 92621 108729 119853 157053 173121 203229 277863 326187 359559 471159 519363 777211 833589 1204073 1413477 1558089 2331633 2500767 3612219 4240431 4674267 6994899 7502301 10103743 10836657 17875853 20984697 30311229 32509971 53627559 62954091 90933687 97529913 160882677 232386089 272801061 482648031 697158267 818403183 1447944093 2091474801 6274424403 18823273209
• Sum of all divisors σ(n): 31769899392
• Sum of proper divisors (its aliquot sum) s(n): 12946626183
• 18823273209 is a deficient number, because the sum of its proper divisors (12946626183) is less than itself. Its deficiency is 5876647026

Bases of 18823273209

• Binary: 10001100001111101000101101011111001₂
• Hexadecimal: 0x461F45AF9
• Base-36: 8NAW2K9

Squares and roots of 18823273209

• 18823273209 squared (18823273209²) is 354315614300657157681
• 18823273209 cubed (18823273209³) is 6669379610195937147270855868329
• The square root of 18823273209 is 137197.9344195823
• The cube root of 18823273209 is 2660.1025649205

Scales and comparisons

• 18,823,273,209 seconds is equal to 598 years, 27 weeks, 23 hours, 9 seconds.
• To count from 1 to 18,823,273,209 would take you about one thousand, one hundred ninety-seven 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 18823273209 cubic inches would be around 221.7 feet tall.

Recreational maths with 18823273209

• 18823273209 backwards is 90237232881
• The number of decimal digits it has is: 11
• The sum of 18823273209's digits is 45
• More coming soon!