19318931919

Names of 19318931919

• Cardinal: 19318931919 can be written as Nineteen billion, three hundred eighteen million, nine hundred thirty-one thousand, nine hundred nineteen.

Scientific notation

• Scientific notation: 1.9318931919 × 10¹⁰

Factors of 19318931919

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4951

Divisors of 19318931919

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 73 189 219 307 511 657 921 1533 1971 2149 2763 4561 4599 6447 8289 13683 13797 19341 22411 31927 41049 58023 67233 95781 123147 156877 201699 287343 332953 470631 605097 862029 998859 1400227 1411893 2330671 2996577 4200681 4235679 6992013 8989731 9801589 12602043 20976039 29404767 37806129 62928117 88214301 102216571 264642903 306649713 715515997 919949139 2146547991 2759847417 6439643973 19318931919
• Sum of all divisors σ(n): 33272673280
• Sum of proper divisors (its aliquot sum) s(n): 13953741361
• 19318931919 is a deficient number, because the sum of its proper divisors (13953741361) is less than itself. Its deficiency is 5365190558

Bases of 19318931919

• Binary: 10001111111011111111000000111001111₂
• Hexadecimal: 0x47F7F81CF
• Base-36: 8VHZR9R

Squares and roots of 19318931919

• 19318931919 squared (19318931919²) is 373221130490957022561
• 19318931919 cubed (19318931919³) is 7210233610687013764010906024559
• The square root of 19318931919 is 138992.5606606339
• The cube root of 19318931919 is 2683.2493778635

Scales and comparisons

• 19,318,931,919 seconds is equal to 614 years, 14 weeks, 4 days, 17 hours, 58 minutes, 39 seconds.
• To count from 1 to 19,318,931,919 would take you about one thousand, two hundred twenty-eight 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 19318931919 cubic inches would be around 223.6 feet tall.

Recreational maths with 19318931919

• 19318931919 backwards is 91913981391
• The number of decimal digits it has is: 11
• The sum of 19318931919's digits is 54
• More coming soon!