18388691999048

Names of 18388691999048

• Cardinal: 18388691999048 can be written as Eighteen trillion, three hundred eighty-eight billion, six hundred ninety-one million, nine hundred ninety-nine thousand and forty-eight.

Scientific notation

• Scientific notation: 1.8388691999048 × 10¹³

Factors of 18388691999048

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 30950

Divisors of 18388691999048

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 98 196 343 392 686 1372 2401 2744 4802 9604 19208 30941 61882 123764 216587 247528 433174 866348 1516109 1732696 3032218 6064436 10612763 12128872 21225526 42451052 74289341 84902104 148578682 297157364 594314728 957345481 1914690962 3829381924 6701418367 7658763848 13402836734 26805673468 46909928569 53611346936 93819857138 187639714276 328369499983 375279428552 656738999966 1313477999932 2298586499881 2626955999864 4597172999762 9194345999524 18388691999048
• Sum of all divisors σ(n): 40224170412345
• Sum of proper divisors (its aliquot sum) s(n): 21835478413297
• 18388691999048 is an abundant number, because the sum of its proper divisors (21835478413297) is greater than itself. Its abundance is 3446786414249

Bases of 18388691999048

• Binary: 100001011100101110011011101000101100101001000₂
• Hexadecimal: 0x10B973745948
• Base-36: 6INNCFMTK

Squares and roots of 18388691999048

• 18388691999048 squared (18388691999048²) is 338143993435851930432906304
• 18388691999048 cubed (18388691999048³) is 6218025746619989824585209651342241198592
• The square root of 18388691999048 is 4288203.8196718215
• The cube root of 18388691999048 is 26394.7131281927

Scales and comparisons

• 18,388,691,999,048 seconds is equal to 584,703 years, 27 weeks, 2 days, 7 hours, 44 minutes, 8 seconds.
• To count from 1 to 18,388,691,999,048 would take you about one million, four hundred sixty-one thousand, seven hundred fifty-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 18388691999048 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18388691999048

• 18388691999048 backwards is 84099919688381
• The number of decimal digits it has is: 14
• The sum of 18388691999048's digits is 83
• More coming soon!