20993742

Names of 20993742

• Cardinal: 20993742 can be written as Twenty million, nine hundred ninety-three thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.0993742 × 10⁷

Factors of 20993742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 40

Divisors of 20993742

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 27 33 34 42 51 54 63 66 77 81 99 102 119 121 126 153 154 162 187 189 198 231 238 242 243 297 306 357 363 374 378 459 462 486 561 567 594 693 714 726 729 847 891 918 1071 1089 1122 1134 1309 1377 1386 1458 1683 1694 1701 1782 2057 2079 2142 2178 2541 2618 2673 2754 3213 3267 3366 3402 3927 4114 4131 4158 5049 5082 5103 5346 6171 6237 6426 6534 7623 7854 8019 8262 9639 9801 10098 10206 11781 12342 12393 12474 14399 15147 15246 16038 18513 18711 19278 19602 22869 23562 24786 28798 28917 29403 30294 35343 37026 37422 43197 45441 45738 55539 56133 57834 58806 68607 70686 86394 86751 88209 90882 106029 111078 112266 129591 136323 137214 166617 173502 176418 205821 212058 259182 272646 318087 333234 388773 411642 499851 617463 636174 777546 954261 999702 1166319 1234926 1499553 1908522 2332638 2999106 3498957 6997914 10496871 20993742
• Sum of all divisors σ(n): 62799408
• Sum of proper divisors (its aliquot sum) s(n): 41805666
• 20993742 is an abundant number, because the sum of its proper divisors (41805666) is greater than itself. Its abundance is 20811924

Bases of 20993742

• Binary: 1010000000101011011001110₂
• Hexadecimal: 0x14056CE
• Base-36: CHYVI

Squares and roots of 20993742

• 20993742 squared (20993742²) is 440737203162564
• 20993742 cubed (20993742³) is 9252723132996452674488
• The square root of 20993742 is 4581.8928403009
• The cube root of 20993742 is 275.8650096019

Scales and comparisons

• 20,993,742 seconds is equal to 34 weeks, 4 days, 23 hours, 35 minutes, 42 seconds.
• To count from 1 to 20,993,742 would take you about eleven hours!

  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 20993742 cubic inches would be around 23 feet tall.

Recreational maths with 20993742

• 20993742 backwards is 24739902
• The number of decimal digits it has is: 8
• The sum of 20993742's digits is 36
• More coming soon!