13881660

Names of 13881660

• Cardinal: 13881660 can be written as Thirteen million, eight hundred eighty-one thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.388166 × 10⁷

Factors of 13881660

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 60

Divisors of 13881660

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 37 39 52 60 65 74 78 111 130 148 156 169 185 195 222 260 338 370 390 444 481 507 555 676 740 780 845 962 1014 1110 1369 1443 1690 1924 2028 2220 2405 2535 2738 2886 3380 4107 4810 5070 5476 5772 6253 6845 7215 8214 9620 10140 12506 13690 14430 16428 17797 18759 20535 25012 27380 28860 31265 35594 37518 41070 53391 62530 71188 75036 82140 88985 93795 106782 125060 177970 187590 213564 231361 266955 355940 375180 462722 533910 694083 925444 1067820 1156805 1388166 2313610 2776332 3470415 4627220 6940830 13881660
• Sum of all divisors σ(n): 43256808
• Sum of proper divisors (its aliquot sum) s(n): 29375148
• 13881660 is an abundant number, because the sum of its proper divisors (29375148) is greater than itself. Its abundance is 15493488

Bases of 13881660

• Binary: 110100111101000100111100₂
• Hexadecimal: 0xD3D13C
• Base-36: 89J5O

Squares and roots of 13881660

• 13881660 squared (13881660²) is 192700484355600
• 13881660 cubed (13881660³) is 2675002605659758296000
• The square root of 13881660 is 3725.8099790517
• The cube root of 13881660 is 240.3332176997

Scales and comparisons

• 13,881,660 seconds is equal to 22 weeks, 6 days, 16 hours, 1 minute.
• To count from 1 to 13,881,660 would take you about thirty-four 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 13881660 cubic inches would be around 20 feet tall.

Recreational maths with 13881660

• 13881660 backwards is 06618831
• The number of decimal digits it has is: 8
• The sum of 13881660's digits is 33
• More coming soon!