20939292

Names of 20939292

• Cardinal: 20939292 can be written as Twenty million, nine hundred thirty-nine thousand, two hundred ninety-two.

Scientific notation

• Scientific notation: 2.0939292 × 10⁷

Factors of 20939292

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 58

Divisors of 20939292

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 19 22 23 33 36 38 44 46 57 66 69 76 92 99 114 121 132 138 171 198 207 209 228 242 253 276 342 363 396 414 418 437 484 506 627 684 726 759 828 836 874 1012 1089 1254 1311 1331 1452 1518 1748 1881 2178 2277 2299 2508 2622 2662 2783 3036 3762 3933 3993 4356 4554 4598 4807 5244 5324 5566 6897 7524 7866 7986 8349 9108 9196 9614 11132 11979 13794 14421 15732 15972 16698 19228 20691 23958 25047 25289 27588 28842 30613 33396 41382 43263 47916 50094 50578 52877 57684 61226 75867 82764 86526 91839 100188 101156 105754 122452 151734 158631 173052 183678 211508 227601 275517 303468 317262 367356 455202 475893 551034 581647 634524 910404 951786 1102068 1163294 1744941 1903572 2326588 3489882 5234823 6979764 10469646 20939292
• Sum of all divisors σ(n): 63947520
• Sum of proper divisors (its aliquot sum) s(n): 43008228
• 20939292 is an abundant number, because the sum of its proper divisors (43008228) is greater than itself. Its abundance is 22068936

Bases of 20939292

• Binary: 1001111111000001000011100₂
• Hexadecimal: 0x13F821C
• Base-36: CGSV0

Squares and roots of 20939292

• 20939292 squared (20939292²) is 438453949461264
• 20939292 cubed (20939292³) is 9180915276322649585088
• The square root of 20939292 is 4575.9471150791
• The cube root of 20939292 is 275.6263058541

Scales and comparisons

• 20,939,292 seconds is equal to 34 weeks, 4 days, 8 hours, 28 minutes, 12 seconds.
• To count from 1 to 20,939,292 would take you about fifty-one 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 20939292 cubic inches would be around 23 feet tall.

Recreational maths with 20939292

• 20939292 backwards is 29293902
• 20939292 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20939292's digits is 36
• More coming soon!