13019930

Names of 13019930

• Cardinal: 13019930 can be written as Thirteen million, nineteen thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.301993 × 10⁷

Factors of 13019930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 519

Divisors of 13019930

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 37 55 70 74 77 110 154 185 259 370 385 407 457 518 770 814 914 1295 2035 2285 2590 2849 3199 4070 4570 5027 5698 6398 10054 14245 15995 16909 25135 28490 31990 33818 35189 50270 70378 84545 118363 169090 175945 185999 236726 351890 371998 591815 929995 1183630 1301993 1859990 2603986 6509965 13019930
• Sum of all divisors σ(n): 30074112
• Sum of proper divisors (its aliquot sum) s(n): 17054182
• 13019930 is an abundant number, because the sum of its proper divisors (17054182) is greater than itself. Its abundance is 4034252

Bases of 13019930

• Binary: 110001101010101100011010₂
• Hexadecimal: 0xC6AB1A
• Base-36: 7R28Q

Squares and roots of 13019930

• 13019930 squared (13019930²) is 169518577204900
• 13019930 cubed (13019930³) is 2207120008907393657000
• The square root of 13019930 is 3608.3140107257
• The cube root of 13019930 is 235.2535666515

Scales and comparisons

• 13,019,930 seconds is equal to 21 weeks, 3 days, 16 hours, 38 minutes, 50 seconds.
• To count from 1 to 13,019,930 would take you about thirty-two 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 13019930 cubic inches would be around 19.6 feet tall.

Recreational maths with 13019930

• 13019930 backwards is 03991031
• The number of decimal digits it has is: 8
• The sum of 13019930's digits is 26
• More coming soon!