18420425660

Names of 18420425660

• Cardinal: 18420425660 can be written as Eighteen billion, four hundred twenty million, four hundred twenty-five thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.842042566 × 10¹⁰

Factors of 18420425660

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 449

Divisors of 18420425660

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 193 229 260 364 386 455 458 772 910 916 965 1145 1351 1603 1820 1930 2290 2509 2702 2977 3206 3860 4580 5018 5404 5954 6412 6755 8015 10036 11908 12545 13510 14885 16030 17563 20839 25090 27020 29770 32060 35126 41678 44197 50180 52441 59540 70252 83356 87815 88394 104195 104882 175630 176788 208390 209764 220985 262205 309379 351260 367087 416780 441970 524410 574561 618758 681733 734174 883940 1048820 1149122 1237516 1363466 1468348 1546895 1835435 2298244 2726932 2872805 3093790 3408665 3670870 4021927 4772131 5745610 6187580 6817330 7341740 8043854 9544262 10121113 11491220 13634660 16087708 19088524 20109635 20242226 23860655 40219270 40484452 47721310 50605565 70847791 80438540 95442620 101211130 131574469 141695582 202422260 263148938 283391164 354238955 526297876 657872345 708477910 921021283 1315744690 1416955820 1842042566 2631489380 3684085132 4605106415 9210212830 18420425660
• Sum of all divisors σ(n): 48066290496
• Sum of proper divisors (its aliquot sum) s(n): 29645864836
• 18420425660 is an abundant number, because the sum of its proper divisors (29645864836) is greater than itself. Its abundance is 11225439176

Bases of 18420425660

• Binary: 10001001001111100010110001110111100₂
• Hexadecimal: 0x449F163BC
• Base-36: 8GN1NEK

Squares and roots of 18420425660

• 18420425660 squared (18420425660²) is 339312081495586435600
• 18420425660 cubed (18420425660³) is 6250272972729311555074177496000
• The square root of 18420425660 is 135721.8687610807
• The cube root of 18420425660 is 2640.9887662599

Scales and comparisons

• 18,420,425,660 seconds is equal to 585 years, 37 weeks, 8 hours, 54 minutes, 20 seconds.
• To count from 1 to 18,420,425,660 would take you about one thousand, one hundred seventy-one 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 18420425660 cubic inches would be around 220.1 feet tall.

Recreational maths with 18420425660

• 18420425660 backwards is 06652402481
• The number of decimal digits it has is: 11
• The sum of 18420425660's digits is 38
• More coming soon!