20861120

Names of 20861120

• Cardinal: 20861120 can be written as Twenty million, eight hundred sixty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.086112 × 10⁷

Factors of 20861120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 220

Divisors of 20861120

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 67 70 80 112 134 139 140 160 224 268 278 280 320 335 448 469 536 556 560 670 695 938 973 1072 1112 1120 1340 1390 1876 1946 2144 2224 2240 2345 2680 2780 3752 3892 4288 4448 4690 4865 5360 5560 7504 7784 8896 9313 9380 9730 10720 11120 15008 15568 18626 18760 19460 21440 22240 30016 31136 37252 37520 38920 44480 46565 62272 65191 74504 75040 77840 93130 130382 149008 150080 155680 186260 260764 298016 311360 325955 372520 521528 596032 651910 745040 1043056 1303820 1490080 2086112 2607640 2980160 4172224 5215280 10430560 20861120
• Sum of all divisors σ(n): 58033920
• Sum of proper divisors (its aliquot sum) s(n): 37172800
• 20861120 is an abundant number, because the sum of its proper divisors (37172800) is greater than itself. Its abundance is 16311680

Bases of 20861120

• Binary: 1001111100101000011000000₂
• Hexadecimal: 0x13E50C0
• Base-36: CF4JK

Squares and roots of 20861120

• 20861120 squared (20861120²) is 435186327654400
• 20861120 cubed (20861120³) is 9078474203557756928000
• The square root of 20861120 is 4567.3975084287
• The cube root of 20861120 is 275.2828824631

Scales and comparisons

• 20,861,120 seconds is equal to 34 weeks, 3 days, 10 hours, 45 minutes, 20 seconds.
• To count from 1 to 20,861,120 would take you about fifty-one 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 20861120 cubic inches would be around 22.9 feet tall.

Recreational maths with 20861120

• 20861120 backwards is 02116802
• 20861120 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20861120's digits is 20
• More coming soon!