218189118

Names of 218189118

• Cardinal: 218189118 can be written as Two hundred eighteen million, one hundred eighty-nine thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 2.18189118 × 10⁸

Factors of 218189118

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4657

Divisors of 218189118

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 17 21 34 42 51 67 102 119 134 201 238 357 402 469 714 938 1139 1407 2278 2814 3417 4561 6834 7973 9122 13683 15946 23919 27366 31927 47838 63854 77537 95781 155074 191562 232611 305587 465222 542759 611174 916761 1085518 1628277 1833522 2139109 3256554 4278218 5194979 6417327 10389958 12834654 15584937 31169874 36364853 72729706 109094559 218189118
• Sum of all divisors σ(n): 536053248
• Sum of proper divisors (its aliquot sum) s(n): 317864130
• 218189118 is an abundant number, because the sum of its proper divisors (317864130) is greater than itself. Its abundance is 99675012

Bases of 218189118

• Binary: 1101000000010100110100111110₂
• Hexadecimal: 0xD014D3E
• Base-36: 3LWJSU

Squares and roots of 218189118

• 218189118 squared (218189118²) is 47606491213617924
• 218189118 cubed (218189118³) is 10387218328974044426551032
• The square root of 218189118 is 14771.2260154667
• The cube root of 218189118 is 602.0201517887

Scales and comparisons

• 218,189,118 seconds is equal to 6 years, 48 weeks, 5 days, 8 hours, 5 minutes, 18 seconds.
• To count from 1 to 218,189,118 would take you about ten 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 218189118 cubic inches would be around 50.2 feet tall.

Recreational maths with 218189118

• 218189118 backwards is 811981812
• The number of decimal digits it has is: 9
• The sum of 218189118's digits is 39
• More coming soon!