13720000

Names of 13720000

• Cardinal: 13720000 can be written as Thirteen million, seven hundred twenty thousand.

Scientific notation

• Scientific notation: 1.372 × 10⁷

Factors of 13720000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14

Divisors of 13720000

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 125 140 160 175 196 200 224 245 250 280 320 343 350 392 400 448 490 500 560 625 686 700 784 800 875 980 1000 1120 1225 1250 1372 1400 1568 1600 1715 1750 1960 2000 2240 2450 2500 2744 2800 3136 3430 3500 3920 4000 4375 4900 5000 5488 5600 6125 6860 7000 7840 8000 8575 8750 9800 10000 10976 11200 12250 13720 14000 15680 17150 17500 19600 20000 21952 24500 27440 28000 30625 34300 35000 39200 40000 42875 49000 54880 56000 61250 68600 70000 78400 85750 98000 109760 122500 137200 140000 171500 196000 214375 245000 274400 280000 343000 392000 428750 490000 548800 686000 857500 980000 1372000 1715000 1960000 2744000 3430000 6860000 13720000
• Sum of all divisors σ(n): 39674800
• Sum of proper divisors (its aliquot sum) s(n): 25954800
• 13720000 is an abundant number, because the sum of its proper divisors (25954800) is greater than itself. Its abundance is 12234800

Bases of 13720000

• Binary: 110100010101100111000000₂
• Hexadecimal: 0xD159C0
• Base-36: 862F4

Squares and roots of 13720000

• 13720000 squared (13720000²) is 188238400000000
• 13720000 cubed (13720000³) is 2582630848000000000000
• The square root of 13720000 is 3704.0518354903
• The cube root of 13720000 is 239.3966325347

Scales and comparisons

• 13,720,000 seconds is equal to 22 weeks, 4 days, 19 hours, 6 minutes, 40 seconds.
• To count from 1 to 13,720,000 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 13720000 cubic inches would be around 19.9 feet tall.

Recreational maths with 13720000

• 13720000 backwards is 00002731
• The number of decimal digits it has is: 8
• The sum of 13720000's digits is 13
• More coming soon!