19013191221

Names of 19013191221

• Cardinal: 19013191221 can be written as Nineteen billion, thirteen million, one hundred ninety-one thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.9013191221 × 10¹⁰

Factors of 19013191221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 321

Divisors of 19013191221

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 17 37 51 53 111 159 211 289 629 633 867 901 1887 1961 2703 2809 3587 5883 7807 8427 10693 10761 11183 15317 23421 32079 33337 33549 45951 47753 60979 100011 103933 132719 143259 182937 190111 311799 398157 413771 566729 570333 592699 811801 1241313 1700187 1766861 1778097 2256223 2435403 3231887 5300583 6768669 7034107 9695661 10075883 21102321 21929863 30036637 30227649 65789589 90109911 119579819 171290011 358739457 372807671 513870033 1118423013 6337730407 19013191221
• Sum of all divisors σ(n): 28322994784
• Sum of proper divisors (its aliquot sum) s(n): 9309803563
• 19013191221 is a deficient number, because the sum of its proper divisors (9309803563) is less than itself. Its deficiency is 9703387658

Bases of 19013191221

• Binary: 10001101101010001100100011000110101₂
• Hexadecimal: 0x46D464635
• Base-36: 8QFYO8L

Squares and roots of 19013191221

• 19013191221 squared (19013191221²) is 361501440406311470841
• 19013191221 cubed (19013191221³) is 6873296013112135930385698686861
• The square root of 19013191221 is 137888.3288063207
• The cube root of 19013191221 is 2669.0190405285

Scales and comparisons

• 19,013,191,221 seconds is equal to 604 years, 29 weeks, 1 day, 2 hours, 21 seconds.
• To count from 1 to 19,013,191,221 would take you about one thousand, two hundred nine 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 19013191221 cubic inches would be around 222.4 feet tall.

Recreational maths with 19013191221

• 19013191221 backwards is 12219131091
• The number of decimal digits it has is: 11
• The sum of 19013191221's digits is 30
• More coming soon!