18036018

Names of 18036018

• Cardinal: 18036018 can be written as Eighteen million, thirty-six thousand and eighteen.

Scientific notation

• Scientific notation: 1.8036018 × 10⁷

Factors of 18036018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 36

Divisors of 18036018

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 49 63 66 77 78 91 98 99 117 121 126 143 147 154 169 182 198 231 234 242 273 286 294 338 363 429 441 462 507 539 546 637 693 726 819 847 858 882 1001 1014 1078 1089 1183 1274 1287 1386 1521 1573 1617 1638 1694 1859 1911 2002 2178 2366 2541 2574 3003 3042 3146 3234 3549 3718 3822 4719 4851 5082 5577 5733 5929 6006 7007 7098 7623 8281 9009 9438 9702 10647 11011 11154 11466 11858 13013 14014 14157 15246 16562 16731 17787 18018 20449 21021 21294 22022 24843 26026 28314 33033 33462 35574 39039 40898 42042 49686 53361 61347 63063 66066 74529 77077 78078 91091 99099 106722 117117 122694 126126 143143 149058 154154 182182 184041 198198 231231 234234 273273 286286 368082 429429 462462 546546 693693 819819 858858 1002001 1288287 1387386 1639638 2004002 2576574 3006003 6012006 9018009 18036018
• Sum of all divisors σ(n): 54105597
• Sum of proper divisors (its aliquot sum) s(n): 36069579
• 18036018 is an abundant number, because the sum of its proper divisors (36069579) is greater than itself. Its abundance is 18033561

Bases of 18036018

• Binary: 1000100110011010100110010₂
• Hexadecimal: 0x1133532
• Base-36: AQKOI

Squares and roots of 18036018

• 18036018 squared (18036018²) is 325297945296324
• 18036018 cubed (18036018³) is 5867079596727514997832
• The square root of 18036018 is 4246.8833278063
• The cube root of 18036018 is 262.2488264075

Scales and comparisons

• 18,036,018 seconds is equal to 29 weeks, 5 days, 18 hours, 18 seconds.
• To count from 1 to 18,036,018 would take you about forty-four weeks!

  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 18036018 cubic inches would be around 21.9 feet tall.

Recreational maths with 18036018

• 18036018 backwards is 81063081
• The number of decimal digits it has is: 8
• The sum of 18036018's digits is 27
• More coming soon!