20388368

Names of 20388368

• Cardinal: 20388368 can be written as Twenty million, three hundred eighty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0388368 × 10⁷

Factors of 20388368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 119

Divisors of 20388368

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 19 22 26 28 38 44 52 56 67 76 77 88 91 104 112 133 134 143 152 154 176 182 208 209 247 266 268 286 304 308 364 418 469 494 532 536 572 616 728 737 836 871 938 988 1001 1064 1072 1144 1232 1273 1456 1463 1474 1672 1729 1742 1876 1976 2002 2128 2288 2546 2717 2926 2948 3344 3458 3484 3752 3952 4004 5092 5159 5434 5852 5896 6097 6916 6968 7504 8008 8911 9581 10184 10318 10868 11704 11792 12194 13832 13936 14003 16016 16549 17822 19019 19162 20368 20636 21736 23408 24388 27664 28006 33098 35644 38038 38324 41272 43472 48776 56012 66196 67067 71288 76076 76648 82544 97552 98021 112024 115843 132392 134134 142576 152152 153296 182039 196042 224048 231686 264784 268268 304304 364078 392084 463372 536536 728156 784168 926744 1073072 1274273 1456312 1568336 1853488 2548546 2912624 5097092 10194184 20388368
• Sum of all divisors σ(n): 56663040
• Sum of proper divisors (its aliquot sum) s(n): 36274672
• 20388368 is an abundant number, because the sum of its proper divisors (36274672) is greater than itself. Its abundance is 15886304

Bases of 20388368

• Binary: 1001101110001101000010000₂
• Hexadecimal: 0x1371A10
• Base-36: C4ZRK

Squares and roots of 20388368

• 20388368 squared (20388368²) is 415685549703424
• 20388368 cubed (20388368³) is 8475149959635699372032
• The square root of 20388368 is 4515.3480486005
• The cube root of 20388368 is 273.1874983829

Scales and comparisons

• 20,388,368 seconds is equal to 33 weeks, 4 days, 23 hours, 26 minutes, 8 seconds.
• To count from 1 to 20,388,368 would take you about fifty 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 20388368 cubic inches would be around 22.8 feet tall.

Recreational maths with 20388368

• 20388368 backwards is 86388302
• 20388368 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20388368's digits is 38
• More coming soon!