18047547459940

Names of 18047547459940

• Cardinal: 18047547459940 can be written as Eighteen trillion, forty-seven billion, five hundred forty-seven million, four hundred fifty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.804754745994 × 10¹³

Factors of 18047547459940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 469743694

Divisors of 18047547459940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 113 170 226 340 452 565 1130 1921 2260 3842 7684 9605 19210 38420 469743557 939487114 1878974228 2348717785 4697435570 7985640469 9394871140 15971280938 31942561876 39928202345 53081021941 79856404690 106162043882 159712809380 212324087764 265405109705 530810219410 902377372997 1061620438820 1804754745994 3609509491988 4511886864985 9023773729970 18047547459940
• Sum of all divisors σ(n): 40484378802672
• Sum of proper divisors (its aliquot sum) s(n): 22436831342732
• 18047547459940 is an abundant number, because the sum of its proper divisors (22436831342732) is greater than itself. Its abundance is 4389283882792

Bases of 18047547459940

• Binary: 100000110101000000101101001111100100101100100₂
• Hexadecimal: 0x106A05A7C964
• Base-36: 6EAXFS7S4

Squares and roots of 18047547459940

• 18047547459940 squared (18047547459940²) is 325713969318786745904803600
• 18047547459940 cubed (18047547459940³) is 5878338319646244828176776408224567784000
• The square root of 18047547459940 is 4248240.5134290597
• The cube root of 18047547459940 is 26230.4695045659

Scales and comparisons

• 18,047,547,459,940 seconds is equal to 573,856 years, 9 weeks, 4 days, 3 hours, 45 minutes, 40 seconds.
• To count from 1 to 18,047,547,459,940 would take you about one million, four hundred thirty-four thousand, six hundred forty 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 18047547459940 cubic inches would be around 2185.9 feet tall.

Recreational maths with 18047547459940

• 18047547459940 backwards is 04995474574081
• The number of decimal digits it has is: 14
• The sum of 18047547459940's digits is 67
• More coming soon!