21814128

Names of 21814128

• Cardinal: 21814128 can be written as Twenty-one million, eight hundred fourteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1814128 × 10⁷

Factors of 21814128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 115

Divisors of 21814128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 19 21 24 28 34 36 38 42 48 51 56 57 63 67 68 72 76 84 102 112 114 119 126 133 134 136 144 152 153 168 171 201 204 228 238 252 266 268 272 304 306 323 336 342 357 399 402 408 456 469 476 504 532 536 603 612 646 684 714 798 804 816 912 938 952 969 1008 1064 1071 1072 1139 1197 1206 1224 1273 1292 1368 1407 1428 1596 1608 1876 1904 1938 2128 2142 2261 2278 2394 2412 2448 2546 2584 2736 2814 2856 2907 3192 3216 3417 3752 3819 3876 4221 4284 4522 4556 4788 4824 5092 5168 5628 5712 5814 6384 6783 6834 7504 7638 7752 7973 8442 8568 8911 9044 9112 9576 9648 10184 10251 11256 11457 11628 13566 13668 15276 15504 15946 16884 17136 17822 18088 18224 19152 20349 20368 20502 21641 22512 22914 23256 23919 26733 27132 27336 30552 31892 33768 35644 36176 40698 41004 43282 45828 46512 47838 53466 54264 54672 61104 63784 64923 67536 71288 71757 80199 81396 82008 86564 91656 95676 106932 108528 127568 129846 142576 143514 151487 160398 162792 164016 173128 183312 191352 194769 213864 259692 287028 302974 320796 325584 346256 382704 389538 427728 454461 519384 574056 605948 641592 779076 908922 1038768 1148112 1211896 1283184 1363383 1558152 1817844 2423792 2726766 3116304 3635688 5453532 7271376 10907064 21814128
• Sum of all divisors σ(n): 78923520
• Sum of proper divisors (its aliquot sum) s(n): 57109392
• 21814128 is an abundant number, because the sum of its proper divisors (57109392) is greater than itself. Its abundance is 35295264

Bases of 21814128

• Binary: 1010011001101101101110000₂
• Hexadecimal: 0x14CDB70
• Base-36: CZJW0

Squares and roots of 21814128

• 21814128 squared (21814128²) is 475856180400384
• 21814128 cubed (21814128³) is 10380387628845067825152
• The square root of 21814128 is 4670.5597094995
• The cube root of 21814128 is 279.4125780121

Scales and comparisons

• 21,814,128 seconds is equal to 36 weeks, 11 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,814,128 would take you about two 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 21814128 cubic inches would be around 23.3 feet tall.

Recreational maths with 21814128

• 21814128 backwards is 82141812
• The number of decimal digits it has is: 8
• The sum of 21814128's digits is 27
• More coming soon!