18002638966

Names of 18002638966

• Cardinal: 18002638966 can be written as Eighteen billion, two million, six hundred thirty-eight thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 1.8002638966 × 10¹⁰

Factors of 18002638966

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 122

Divisors of 18002638966

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 13 19 26 29 38 58 59 118 247 361 377 494 551 722 754 767 1102 1121 1534 1711 2242 3422 3481 4693 6859 6962 7163 9386 10469 13718 14326 14573 20938 21299 22243 29146 32509 42598 44486 45253 65018 66139 89167 90506 100949 132278 136097 178334 198911 201898 272194 276887 397822 404681 422617 553774 617671 809362 845234 859807 1235342 1256641 1312337 1719614 1918031 2513282 2585843 2624674 3836062 5171686 5260853 8029723 10521706 11735749 16059446 16336333 23471498 23876179 24934403 32672666 36442589 47752358 49868806 72885178 152564737 305129474 310390327 473753657 620780654 692409191 947507314 1384818382 9001319483 18002638966
• Sum of all divisors σ(n): 32302418400
• Sum of proper divisors (its aliquot sum) s(n): 14299779434
• 18002638966 is a deficient number, because the sum of its proper divisors (14299779434) is less than itself. Its deficiency is 3702859532

Bases of 18002638966

• Binary: 10000110001000010100111100001110110₂
• Hexadecimal: 0x4310A7876
• Base-36: 89QB14M

Squares and roots of 18002638966

• 18002638966 squared (18002638966²) is 324095009740141549156
• 18002638966 cubed (18002638966³) is 5834565451034021787191410012696
• The square root of 18002638966 is 134173.9131351545
• The cube root of 18002638966 is 2620.8694629029

Scales and comparisons

• 18,002,638,966 seconds is equal to 572 years, 22 weeks, 1 day, 21 hours, 2 minutes, 46 seconds.
• To count from 1 to 18,002,638,966 would take you about one thousand, one hundred forty-four 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 18002638966 cubic inches would be around 218.4 feet tall.

Recreational maths with 18002638966

• 18002638966 backwards is 66983620081
• The number of decimal digits it has is: 11
• The sum of 18002638966's digits is 49
• More coming soon!