21620196

Names of 21620196

• Cardinal: 21620196 can be written as Twenty-one million, six hundred twenty thousand, one hundred ninety-six.

Scientific notation

• Scientific notation: 2.1620196 × 10⁷

Factors of 21620196

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 106

Divisors of 21620196

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 29 36 39 52 54 58 59 78 81 87 108 116 117 118 156 162 174 177 234 236 243 261 324 348 351 354 377 468 486 522 531 702 708 754 767 783 972 1044 1053 1062 1131 1404 1508 1534 1566 1593 1711 2106 2124 2262 2301 2349 3068 3132 3159 3186 3393 3422 4212 4524 4602 4698 4779 5133 6318 6372 6786 6844 6903 7047 9204 9396 9558 10179 10266 12636 13572 13806 14094 14337 15399 19116 20358 20532 20709 22243 27612 28188 28674 30537 30798 40716 41418 44486 46197 57348 61074 61596 62127 66729 82836 88972 91611 92394 122148 124254 133458 138591 183222 184788 186381 200187 248508 266916 277182 366444 372762 400374 415773 554364 600561 745524 800748 831546 1201122 1663092 1801683 2402244 3603366 5405049 7206732 10810098 21620196
• Sum of all divisors σ(n): 64209600
• Sum of proper divisors (its aliquot sum) s(n): 42589404
• 21620196 is an abundant number, because the sum of its proper divisors (42589404) is greater than itself. Its abundance is 20969208

Bases of 21620196

• Binary: 1010010011110010111100100₂
• Hexadecimal: 0x149E5E4
• Base-36: CVE90

Squares and roots of 21620196

• 21620196 squared (21620196²) is 467432875078416
• 21620196 cubed (21620196³) is 10105990376038869289536
• The square root of 21620196 is 4649.7522514645
• The cube root of 21620196 is 278.5821006901

Scales and comparisons

• 21,620,196 seconds is equal to 35 weeks, 5 days, 5 hours, 36 minutes, 36 seconds.
• To count from 1 to 21,620,196 would take you about four days!

  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 21620196 cubic inches would be around 23.2 feet tall.

Recreational maths with 21620196

• 21620196 backwards is 69102612
• 21620196 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21620196's digits is 27
• More coming soon!