13947780

Names of 13947780

• Cardinal: 13947780 can be written as Thirteen million, nine hundred forty-seven thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.394778 × 10⁷

Factors of 13947780

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3047

Divisors of 13947780

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 3019 4620 6038 9057 12076 15095 18114 21133 30190 33209 36228 42266 45285 60380 63399 66418 84532 90570 99627 105665 126798 132836 166045 181140 199254 211330 232463 253596 316995 332090 398508 422660 464926 498135 633990 664180 697389 929852 996270 1162315 1267980 1394778 1992540 2324630 2789556 3486945 4649260 6973890 13947780
• Sum of all divisors σ(n): 48706560
• Sum of proper divisors (its aliquot sum) s(n): 34758780
• 13947780 is an abundant number, because the sum of its proper divisors (34758780) is greater than itself. Its abundance is 20811000

Bases of 13947780

• Binary: 110101001101001110000100₂
• Hexadecimal: 0xD4D384
• Base-36: 8AY6C

Squares and roots of 13947780

• 13947780 squared (13947780²) is 194540566928400
• 13947780 cubed (13947780³) is 2713409028592598952000
• The square root of 13947780 is 3734.6726764203
• The cube root of 13947780 is 240.7141920435

Scales and comparisons

• 13,947,780 seconds is equal to 23 weeks, 10 hours, 23 minutes.
• To count from 1 to 13,947,780 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 13947780 cubic inches would be around 20.1 feet tall.

Recreational maths with 13947780

• 13947780 backwards is 08774931
• The number of decimal digits it has is: 8
• The sum of 13947780's digits is 39
• More coming soon!