19709138736

Names of 19709138736

• Cardinal: 19709138736 can be written as Nineteen billion, seven hundred nine million, one hundred thirty-eight thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.9709138736 × 10¹⁰

Factors of 19709138736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19552729

Divisors of 19709138736

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 19552717 39105434 58658151 78210868 117316302 136869019 156421736 175974453 234632604 273738038 312843472 351948906 410607057 469265208 547476076 703897812 821214114 938530416 1094952152 1231821171 1407795624 1642428228 2189904304 2463642342 2815591248 3284856456 4927284684 6569712912 9854569368 19709138736
• Sum of all divisors σ(n): 63037962832
• Sum of proper divisors (its aliquot sum) s(n): 43328824096
• 19709138736 is an abundant number, because the sum of its proper divisors (43328824096) is greater than itself. Its abundance is 23619685360

Bases of 19709138736

• Binary: 10010010110110000011001011100110000₂
• Hexadecimal: 0x496C19730
• Base-36: 91YB8S0

Squares and roots of 19709138736

• 19709138736 squared (19709138736²) is 388450149714895677696
• 19709138736 cubed (19709138736³) is 7656017892750849757477204832256
• The square root of 19709138736 is 140389.2401005149
• The cube root of 19709138736 is 2701.1946581577

Scales and comparisons

• 19,709,138,736 seconds is equal to 626 years, 35 weeks, 6 days, 45 minutes, 36 seconds.
• To count from 1 to 19,709,138,736 would take you about one thousand, two hundred fifty-three 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 19709138736 cubic inches would be around 225.1 feet tall.

Recreational maths with 19709138736

• 19709138736 backwards is 63783190791
• The number of decimal digits it has is: 11
• The sum of 19709138736's digits is 54
• More coming soon!