13047930

Names of 13047930

• Cardinal: 13047930 can be written as Thirteen million, forty-seven thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.304793 × 10⁷

Factors of 13047930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 305

Divisors of 13047930

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 139 149 210 278 298 315 417 447 630 695 745 834 894 973 1043 1251 1341 1390 1490 1946 2085 2086 2235 2502 2682 2919 3129 4170 4470 4865 5215 5838 6255 6258 6705 8757 9387 9730 10430 12510 13410 14595 15645 17514 18774 20711 29190 31290 41422 43785 46935 62133 87570 93870 103555 124266 144977 186399 207110 289954 310665 372798 434931 621330 724885 869862 931995 1304793 1449770 1863990 2174655 2609586 4349310 6523965 13047930
• Sum of all divisors σ(n): 39312000
• Sum of proper divisors (its aliquot sum) s(n): 26264070
• 13047930 is an abundant number, because the sum of its proper divisors (26264070) is greater than itself. Its abundance is 13216140

Bases of 13047930

• Binary: 110001110001100001111010₂
• Hexadecimal: 0xC7187A
• Base-36: 7RNUI

Squares and roots of 13047930

• 13047930 squared (13047930²) is 170248477284900
• 13047930 cubed (13047930³) is 2221390214219965257000
• The square root of 13047930 is 3612.1918553699
• The cube root of 13047930 is 235.4220873613

Scales and comparisons

• 13,047,930 seconds is equal to 21 weeks, 4 days, 25 minutes, 30 seconds.
• To count from 1 to 13,047,930 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 13047930 cubic inches would be around 19.6 feet tall.

Recreational maths with 13047930

• 13047930 backwards is 03974031
• The number of decimal digits it has is: 8
• The sum of 13047930's digits is 27
• More coming soon!