20690208

Names of 20690208

• Cardinal: 20690208 can be written as Twenty million, six hundred ninety thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.0690208 × 10⁷

Factors of 20690208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 334

Divisors of 20690208

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 84 88 96 99 108 112 126 132 144 154 168 176 189 198 216 224 231 252 264 288 297 308 311 336 352 378 396 432 462 504 528 594 616 622 672 693 756 792 864 924 933 1008 1056 1188 1232 1244 1386 1512 1584 1848 1866 2016 2079 2177 2376 2464 2488 2772 2799 3024 3168 3421 3696 3732 4158 4354 4752 4976 5544 5598 6048 6531 6842 7392 7464 8316 8397 8708 9504 9952 10263 11088 11196 13062 13684 14928 16632 16794 17416 19593 20526 22176 22392 23947 26124 27368 29856 30789 33264 33588 34832 39186 41052 44784 47894 52248 54736 58779 61578 66528 67176 69664 71841 78372 82104 89568 92367 95788 104496 109472 117558 123156 134352 143682 156744 164208 184734 191576 208992 215523 235116 246312 268704 287364 313488 328416 369468 383152 431046 470232 492624 574728 626976 646569 738936 766304 862092 940464 985248 1149456 1293138 1477872 1724184 1880928 2298912 2586276 2955744 3448368 5172552 6896736 10345104 20690208
• Sum of all divisors σ(n): 75479040
• Sum of proper divisors (its aliquot sum) s(n): 54788832
• 20690208 is an abundant number, because the sum of its proper divisors (54788832) is greater than itself. Its abundance is 34098624

Bases of 20690208

• Binary: 1001110111011010100100000₂
• Hexadecimal: 0x13BB520
• Base-36: CBGO0

Squares and roots of 20690208

• 20690208 squared (20690208²) is 428084707083264
• 20690208 cubed (20690208³) is 8857161631171805478912
• The square root of 20690208 is 4548.6490302067
• The cube root of 20690208 is 274.5290363145

Scales and comparisons

• 20,690,208 seconds is equal to 34 weeks, 1 day, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,690,208 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 20690208 cubic inches would be around 22.9 feet tall.

Recreational maths with 20690208

• 20690208 backwards is 80209602
• 20690208 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20690208's digits is 27
• More coming soon!