20632640

Names of 20632640

• Cardinal: 20632640 can be written as Twenty million, six hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.063264 × 10⁷

Factors of 20632640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 226

Divisors of 20632640

• 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 61 64 70 80 112 122 140 151 160 224 244 280 302 305 320 427 448 488 560 604 610 755 854 976 1057 1120 1208 1220 1510 1708 1952 2114 2135 2240 2416 2440 3020 3416 3904 4228 4270 4832 4880 5285 6040 6832 8456 8540 9211 9664 9760 10570 12080 13664 16912 17080 18422 19520 21140 24160 27328 33824 34160 36844 42280 46055 48320 64477 67648 68320 73688 84560 92110 128954 136640 147376 169120 184220 257908 294752 322385 338240 368440 515816 589504 644770 736880 1031632 1289540 1473760 2063264 2579080 2947520 4126528 5158160 10316320 20632640
• Sum of all divisors σ(n): 57448704
• Sum of proper divisors (its aliquot sum) s(n): 36816064
• 20632640 is an abundant number, because the sum of its proper divisors (36816064) is greater than itself. Its abundance is 16183424

Bases of 20632640

• Binary: 1001110101101010001000000₂
• Hexadecimal: 0x13AD440
• Base-36: CA88W

Squares and roots of 20632640

• 20632640 squared (20632640²) is 425705833369600
• 20632640 cubed (20632640³) is 8783435205814943744000
• The square root of 20632640 is 4542.3165895829
• The cube root of 20632640 is 274.2741851967

Scales and comparisons

• 20,632,640 seconds is equal to 34 weeks, 19 hours, 17 minutes, 20 seconds.
• To count from 1 to 20,632,640 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 20632640 cubic inches would be around 22.9 feet tall.

Recreational maths with 20632640

• 20632640 backwards is 04623602
• The number of decimal digits it has is: 8
• The sum of 20632640's digits is 23
• More coming soon!