18240663364

Names of 18240663364

• Cardinal: 18240663364 can be written as Eighteen billion, two hundred forty million, six hundred sixty-three thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 1.8240663364 × 10¹⁰

Factors of 18240663364

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 897

Divisors of 18240663364

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 121 154 196 242 308 484 539 847 877 1078 1694 1754 2156 3388 3508 5929 6139 9647 11858 12278 19294 23716 24556 38588 42973 67529 85946 106117 135058 171892 212234 270116 424468 472703 742819 769129 945406 1485638 1538258 1890812 2971276 3076516 5199733 5383903 8460419 10399466 10767806 16920838 20798932 21535612 33841676 37687321 59222933 75374642 93064609 118445866 150749284 186129218 236891732 372258436 414560531 651452263 829121062 1302904526 1658242124 2605809052 4560165841 9120331682 18240663364
• Sum of all divisors σ(n): 40861961469
• Sum of proper divisors (its aliquot sum) s(n): 22621298105
• 18240663364 is an abundant number, because the sum of its proper divisors (22621298105) is greater than itself. Its abundance is 4380634741

Bases of 18240663364

• Binary: 10000111111001110100110111101000100₂
• Hexadecimal: 0x43F3A6F44
• Base-36: 8DO0PXG

Squares and roots of 18240663364

• 18240663364 squared (18240663364²) is 332721799958771796496
• 18240663364 cubed (18240663364³) is 6069066346912105418781050772544
• 18240663364 is a perfect square number. Its square root is 135058
• The cube root of 18240663364 is 2632.3696572247

Scales and comparisons

• 18,240,663,364 seconds is equal to 579 years, 51 weeks, 5 days, 18 hours, 56 minutes, 4 seconds.
• To count from 1 to 18,240,663,364 would take you about one thousand, one hundred fifty-nine 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 18240663364 cubic inches would be around 219.4 feet tall.

Recreational maths with 18240663364

• 18240663364 backwards is 46336604281
• The number of decimal digits it has is: 11
• The sum of 18240663364's digits is 43
• More coming soon!