21308196

Names of 21308196

• Cardinal: 21308196 can be written as Twenty-one million, three hundred eight thousand, one hundred ninety-six.

Scientific notation

• Scientific notation: 2.1308196 × 10⁷

Factors of 21308196

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 123

Divisors of 21308196

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 79 84 91 114 133 156 158 169 182 228 237 247 266 273 316 338 364 399 474 494 507 532 546 553 676 741 798 948 988 1014 1027 1092 1106 1183 1482 1501 1596 1659 1729 2028 2054 2212 2366 2964 3002 3081 3211 3318 3458 3549 4108 4503 4732 5187 6004 6162 6422 6636 6916 7098 7189 9006 9633 10374 10507 12324 12844 13351 14196 14378 18012 19266 19513 20748 21014 21567 22477 26702 28756 31521 38532 39026 40053 42028 43134 44954 53404 58539 63042 67431 78052 80106 86268 89908 93457 117078 126084 134862 136591 160212 186914 234156 253669 269724 273182 280371 373828 409773 507338 546364 560742 761007 819546 1014676 1121484 1522014 1639092 1775683 3044028 3551366 5327049 7102732 10654098 21308196
• Sum of all divisors σ(n): 65587200
• Sum of proper divisors (its aliquot sum) s(n): 44279004
• 21308196 is an abundant number, because the sum of its proper divisors (44279004) is greater than itself. Its abundance is 22970808

Bases of 21308196

• Binary: 1010001010010001100100100₂
• Hexadecimal: 0x1452324
• Base-36: COPIC

Squares and roots of 21308196

• 21308196 squared (21308196²) is 454039216774416
• 21308196 cubed (21308196³) is 9674756622715743913536
• The square root of 21308196 is 4616.0801552831
• The cube root of 21308196 is 277.2355340923

Scales and comparisons

• 21,308,196 seconds is equal to 35 weeks, 1 day, 14 hours, 56 minutes, 36 seconds.
• To count from 1 to 21,308,196 would take you about five 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 21308196 cubic inches would be around 23.1 feet tall.

Recreational maths with 21308196

• 21308196 backwards is 69180312
• The number of decimal digits it has is: 8
• The sum of 21308196's digits is 30
• More coming soon!