20682540

Names of 20682540

• Cardinal: 20682540 can be written as Twenty million, six hundred eighty-two thousand, five hundred forty.

Scientific notation

• Scientific notation: 2.068254 × 10⁷

Factors of 20682540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 778

Divisors of 20682540

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 204 255 270 306 324 340 405 459 510 540 612 751 765 810 918 1020 1377 1502 1530 1620 1836 2253 2295 2754 3004 3060 3755 4506 4590 5508 6759 6885 7510 9012 9180 11265 12767 13518 13770 15020 20277 22530 25534 27036 27540 33795 38301 40554 45060 51068 60831 63835 67590 76602 81108 101385 114903 121662 127670 135180 153204 191505 202770 229806 243324 255340 304155 344709 383010 405540 459612 574515 608310 689418 766020 1034127 1149030 1216620 1378836 1723545 2068254 2298060 3447090 4136508 5170635 6894180 10341270 20682540
• Sum of all divisors σ(n): 68789952
• Sum of proper divisors (its aliquot sum) s(n): 48107412
• 20682540 is an abundant number, because the sum of its proper divisors (48107412) is greater than itself. Its abundance is 27424872

Bases of 20682540

• Binary: 1001110111001011100101100₂
• Hexadecimal: 0x13B972C
• Base-36: CBAR0

Squares and roots of 20682540

• 20682540 squared (20682540²) is 427767460851600
• 20682540 cubed (20682540³) is 8847317619761651064000
• The square root of 20682540 is 4547.8060644667
• The cube root of 20682540 is 274.4951177131

Scales and comparisons

• 20,682,540 seconds is equal to 34 weeks, 1 day, 9 hours, 9 minutes.
• To count from 1 to 20,682,540 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 20682540 cubic inches would be around 22.9 feet tall.

Recreational maths with 20682540

• 20682540 backwards is 04528602
• 20682540 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20682540's digits is 27
• More coming soon!