19019940

Names of 19019940

• Cardinal: 19019940 can be written as Nineteen million, nineteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.901994 × 10⁷

Factors of 19019940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 699

Divisors of 19019940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 29 30 34 51 58 60 68 85 87 102 116 145 170 174 204 255 290 340 348 435 493 510 580 643 870 986 1020 1286 1479 1740 1929 1972 2465 2572 2958 3215 3858 4930 5916 6430 7395 7716 9645 9860 10931 12860 14790 18647 19290 21862 29580 32793 37294 38580 43724 54655 55941 65586 74588 93235 109310 111882 131172 163965 186470 218620 223764 279705 316999 327930 372940 559410 633998 655860 950997 1118820 1267996 1584995 1901994 3169990 3803988 4754985 6339980 9509970 19019940
• Sum of all divisors σ(n): 58423680
• Sum of proper divisors (its aliquot sum) s(n): 39403740
• 19019940 is an abundant number, because the sum of its proper divisors (39403740) is greater than itself. Its abundance is 20383800

Bases of 19019940

• Binary: 1001000100011100010100100₂
• Hexadecimal: 0x12238A4
• Base-36: BBNVO

Squares and roots of 19019940

• 19019940 squared (19019940²) is 361758117603600
• 19019940 cubed (19019940³) is 6880617691333415784000
• The square root of 19019940 is 4361.1856186133
• The cube root of 19019940 is 266.9334794797

Scales and comparisons

• 19,019,940 seconds is equal to 31 weeks, 3 days, 3 hours, 19 minutes.
• To count from 1 to 19,019,940 would take you about forty-seven weeks!

  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 19019940 cubic inches would be around 22.2 feet tall.

Recreational maths with 19019940

• 19019940 backwards is 04991091
• The number of decimal digits it has is: 8
• The sum of 19019940's digits is 33
• More coming soon!