18004273389487

Names of 18004273389487

• Cardinal: 18004273389487 can be written as Eighteen trillion, four billion, two hundred seventy-three million, three hundred eighty-nine thousand, four hundred eighty-seven.

Scientific notation

• Scientific notation: 1.8004273389487 × 10¹³

Factors of 18004273389487

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 174

Divisors of 18004273389487

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 59 77 97 121 413 649 679 847 1067 1331 3481 4543 5723 7139 7469 9317 9409 11737 24367 38291 40061 49973 62953 65863 78529 82159 103499 129107 205379 268037 337657 421201 440671 549703 555131 692483 724493 903749 1138489 1437653 2259169 2363599 2948407 3714227 3885917 4633211 4847381 6106441 7617313 7969423 12523379 15814183 19921763 24850859 25999589 32432477 32752729 40856497 42745087 53321191 67170851 87663653 139452341 173956013 219139393 229269103 273359449 285995479 360280019 449421467 470195957 738879361 1533975751 1913516143 1932411011 2410533323 2521960133 3145950269 3963080209 5172155527 13526877077 16873733261 21256521121 26515866553 27741561463 43593882299 148795647847 185611065871 233821732331 305157176093 1636752126317 2572039055641 18004273389487
• Sum of all divisors σ(n): 23262402977280
• Sum of proper divisors (its aliquot sum) s(n): 5258129587793
• 18004273389487 is a deficient number, because the sum of its proper divisors (5258129587793) is less than itself. Its deficiency is 12746143801694

Bases of 18004273389487

• Binary: 100000101111111110010010100011101111110101111₂
• Hexadecimal: 0x105FF251DFAF
• Base-36: 6DR1RIPBJ

Squares and roots of 18004273389487

• 18004273389487 squared (18004273389487²) is 324153860283389707602123169
• 18004273389487 cubed (18004273389487³) is 5836154720799720241255407959129283724303
• The square root of 18004273389487 is 4243144.2810122543
• The cube root of 18004273389487 is 26209.4877499687

Scales and comparisons

• 18,004,273,389,487 seconds is equal to 572,480 years, 10 weeks, 3 days, 20 hours, 38 minutes, 7 seconds.
• To count from 1 to 18,004,273,389,487 would take you about one million, four hundred thirty-one thousand, two hundred 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 18004273389487 cubic inches would be around 2184.1 feet tall.

Recreational maths with 18004273389487

• 18004273389487 backwards is 78498337240081
• The number of decimal digits it has is: 14
• The sum of 18004273389487's digits is 64
• More coming soon!