19409388999

Names of 19409388999

• Cardinal: 19409388999 can be written as Nineteen billion, four hundred nine million, three hundred eighty-eight thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.9409388999 × 10¹⁰

Factors of 19409388999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10908

Divisors of 19409388999

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 11 13 21 33 39 77 91 143 231 273 429 631 1001 1893 3003 4417 6941 8203 10243 13251 20823 24609 30729 48587 57421 71701 90233 112673 133159 145761 172263 215103 270699 338019 399477 631631 788711 932113 1464749 1894893 2366133 2796339 4394247 6463333 10253243 19389999 30759729 45243331 71096663 84023329 135729993 213289989 252069987 497676641 588163303 924256619 1493029923 1764489909 2772769857 6469796333 19409388999
• Sum of all divisors σ(n): 34805342208
• Sum of proper divisors (its aliquot sum) s(n): 15395953209
• 19409388999 is a deficient number, because the sum of its proper divisors (15395953209) is less than itself. Its deficiency is 4013435790

Bases of 19409388999

• Binary: 10010000100111000111100010111000111₂
• Hexadecimal: 0x484E3C5C7
• Base-36: 8WZUKEF

Squares and roots of 19409388999

• 19409388999 squared (19409388999²) is 376724381314502222001
• 19409388999 cubed (19409388999³) is 7311990062340780586867265166999
• The square root of 19409388999 is 139317.5832370057
• The cube root of 19409388999 is 2687.4307867057

Scales and comparisons

• 19,409,388,999 seconds is equal to 617 years, 8 weeks, 1 day, 16 hours, 56 minutes, 39 seconds.
• To count from 1 to 19,409,388,999 would take you about one thousand, two hundred thirty-four 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 19409388999 cubic inches would be around 224 feet tall.

Recreational maths with 19409388999

• 19409388999 backwards is 99988390491
• The number of decimal digits it has is: 11
• The sum of 19409388999's digits is 69
• More coming soon!