20497950

Names of 20497950

• Cardinal: 20497950 can be written as Twenty million, four hundred ninety-seven thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 2.049795 × 10⁷

Factors of 20497950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 163

Divisors of 20497950

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 30 33 41 45 50 55 66 75 82 90 99 101 110 123 150 165 198 202 205 225 246 275 303 330 369 410 450 451 495 505 550 606 615 738 825 902 909 990 1010 1025 1111 1230 1353 1515 1650 1818 1845 2050 2222 2255 2475 2525 2706 3030 3075 3333 3690 4059 4141 4510 4545 4950 5050 5555 6150 6666 6765 7575 8118 8282 9090 9225 9999 11110 11275 12423 13530 15150 16665 18450 19998 20295 20705 22550 22725 24846 27775 33330 33825 37269 40590 41410 45450 45551 49995 55550 62115 67650 74538 83325 91102 99990 101475 103525 124230 136653 166650 186345 202950 207050 227755 249975 273306 310575 372690 409959 455510 499950 621150 683265 819918 931725 1138775 1366530 1863450 2049795 2277550 3416325 4099590 6832650 10248975 20497950
• Sum of all divisors σ(n): 62152272
• Sum of proper divisors (its aliquot sum) s(n): 41654322
• 20497950 is an abundant number, because the sum of its proper divisors (41654322) is greater than itself. Its abundance is 21156372

Bases of 20497950

• Binary: 1001110001100011000011110₂
• Hexadecimal: 0x138C61E
• Base-36: C7CBI

Squares and roots of 20497950

• 20497950 squared (20497950²) is 420165954202500
• 20497950 cubed (20497950³) is 8612540720945134875000
• The square root of 20497950 is 4527.4661787803
• The cube root of 20497950 is 273.6760605963

Scales and comparisons

• 20,497,950 seconds is equal to 33 weeks, 6 days, 5 hours, 52 minutes, 30 seconds.
• To count from 1 to 20,497,950 would take you about fifty 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 20497950 cubic inches would be around 22.8 feet tall.

Recreational maths with 20497950

• 20497950 backwards is 05979402
• The number of decimal digits it has is: 8
• The sum of 20497950's digits is 36
• More coming soon!