21146202

Names of 21146202

• Cardinal: 21146202 can be written as Twenty-one million, one hundred forty-six thousand, two hundred two.

Scientific notation

• Scientific notation: 2.1146202 × 10⁷

Factors of 21146202

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 115

Divisors of 21146202

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 33 38 42 57 63 66 73 77 99 114 121 126 133 146 154 171 198 209 219 231 242 266 342 363 399 418 438 462 511 627 657 693 726 798 803 847 1022 1089 1197 1254 1314 1386 1387 1463 1533 1606 1694 1881 2178 2299 2394 2409 2541 2774 2926 3066 3762 4161 4389 4598 4599 4818 5082 5621 6897 7227 7623 8322 8778 8833 9198 9709 11242 12483 13167 13794 14454 15246 15257 16093 16863 17666 19418 20691 24966 26334 26499 29127 30514 32186 33726 41382 45771 48279 50589 52998 58254 61831 79497 87381 91542 96558 101178 106799 123662 137313 144837 158994 167827 174762 185493 213598 274626 289674 320397 335654 370986 503481 556479 640794 961191 1006962 1112958 1174789 1510443 1922382 2349578 3020886 3524367 7048734 10573101 21146202
• Sum of all divisors σ(n): 61414080
• Sum of proper divisors (its aliquot sum) s(n): 40267878
• 21146202 is an abundant number, because the sum of its proper divisors (40267878) is greater than itself. Its abundance is 19121676

Bases of 21146202

• Binary: 1010000101010101001011010₂
• Hexadecimal: 0x142AA5A
• Base-36: CL8II

Squares and roots of 21146202

• 21146202 squared (21146202²) is 447161859024804
• 21146202 cubed (21146202³) is 9455774997634028394408
• The square root of 21146202 is 4598.4999728173
• The cube root of 21146202 is 276.5311918787

Scales and comparisons

• 21,146,202 seconds is equal to 34 weeks, 6 days, 17 hours, 56 minutes, 42 seconds.
• To count from 1 to 21,146,202 would take you about three 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 21146202 cubic inches would be around 23 feet tall.

Recreational maths with 21146202

• 21146202 backwards is 20264112
• 21146202 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21146202's digits is 18
• More coming soon!