20423644992

Names of 20423644992

• Cardinal: 20423644992 can be written as Twenty billion, four hundred twenty-three million, six hundred forty-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.0423644992 × 10¹⁰

Factors of 20423644992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10525

Divisors of 20423644992

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1279 1728 2558 3837 5116 7674 9241 10232 11511 15348 18482 20464 23022 27723 30696 34533 36964 40928 46044 55446 61392 69066 73928 81856 83169 92088 110892 122784 138132 147856 166338 184176 221784 245568 249507 276264 295712 332676 368352 443568 499014 552528 591424 665352 736704 887136 998028 1105056 1330704 1774272 1996056 2210112 2661408 3992112 5322816 7984224 11819239 15968448 23638478 35457717 47276956 70915434 94553912 106373151 141830868 189107824 212746302 283661736 319119453 378215648 425492604 567323472 638238906 756431296 850985208 1134646944 1276477812 1701970416 2269293888 2552955624 3403940832 5105911248 6807881664 10211822496 20423644992
• Sum of all divisors σ(n): 60095180800
• Sum of proper divisors (its aliquot sum) s(n): 39671535808
• 20423644992 is an abundant number, because the sum of its proper divisors (39671535808) is greater than itself. Its abundance is 19247890816

Bases of 20423644992

• Binary: 10011000001010110000001011101000000₂
• Hexadecimal: 0x4C1581740
• Base-36: 9DRPLC0

Squares and roots of 20423644992

• 20423644992 squared (20423644992²) is 417125274759246680064
• 20423644992 cubed (20423644992³) is 8519218528873312462981739839488
• The square root of 20423644992 is 142911.3186280219
• The cube root of 20423644992 is 2733.4496856809

Scales and comparisons

• 20,423,644,992 seconds is equal to 649 years, 21 weeks, 1 day, 18 hours, 43 minutes, 12 seconds.
• To count from 1 to 20,423,644,992 would take you about one thousand, two hundred ninety-eight years!

  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 20423644992 cubic inches would be around 227.8 feet tall.

Recreational maths with 20423644992

• 20423644992 backwards is 29944632402
• The number of decimal digits it has is: 11
• The sum of 20423644992's digits is 45
• More coming soon!