20493486

Names of 20493486

• Cardinal: 20493486 can be written as Twenty million, four hundred ninety-three thousand, four hundred eighty-six.

Scientific notation

• Scientific notation: 2.0493486 × 10⁷

Factors of 20493486

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 318

Divisors of 20493486

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 37 39 54 74 78 81 111 117 162 222 234 263 333 351 481 526 666 702 789 962 999 1053 1443 1578 1998 2106 2367 2886 2997 3419 4329 4734 5994 6838 7101 8658 9731 10257 12987 14202 19462 20514 21303 25974 29193 30771 38961 42606 58386 61542 77922 87579 92313 126503 175158 184626 253006 262737 276939 379509 525474 553878 759018 788211 1138527 1576422 2277054 3415581 6831162 10246743 20493486
• Sum of all divisors σ(n): 50982624
• Sum of proper divisors (its aliquot sum) s(n): 30489138
• 20493486 is an abundant number, because the sum of its proper divisors (30489138) is greater than itself. Its abundance is 9995652

Bases of 20493486

• Binary: 1001110001011010010101110₂
• Hexadecimal: 0x138B4AE
• Base-36: C78VI

Squares and roots of 20493486

• 20493486 squared (20493486²) is 419982968432196
• 20493486 cubed (20493486³) is 8606915083803650675256
• The square root of 20493486 is 4526.9731609543
• The cube root of 20493486 is 273.6561922903

Scales and comparisons

• 20,493,486 seconds is equal to 33 weeks, 6 days, 4 hours, 38 minutes, 6 seconds.
• To count from 1 to 20,493,486 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 20493486 cubic inches would be around 22.8 feet tall.

Recreational maths with 20493486

• 20493486 backwards is 68439402
• The number of decimal digits it has is: 8
• The sum of 20493486's digits is 36
• More coming soon!