218131968

Names of 218131968

• Cardinal: 218131968 can be written as Two hundred eighteen million, one hundred thirty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.18131968 × 10⁸

Factors of 218131968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 176

Divisors of 218131968

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 32 48 58 59 64 83 87 96 116 118 128 166 174 177 192 232 236 249 256 332 348 354 384 464 472 498 512 664 696 708 768 928 944 996 1328 1392 1416 1536 1711 1856 1888 1992 2407 2656 2784 2832 3422 3712 3776 3984 4814 4897 5133 5312 5568 5664 6844 7221 7424 7552 7968 9628 9794 10266 10624 11136 11328 13688 14442 14691 14848 15104 15936 19256 19588 20532 21248 22272 22656 27376 28884 29382 30208 31872 38512 39176 41064 42496 44544 45312 54752 57768 58764 63744 77024 78352 82128 90624 109504 115536 117528 127488 142013 154048 156704 164256 219008 231072 235056 284026 308096 313408 328512 426039 438016 462144 470112 568052 616192 626816 657024 852078 876032 924288 940224 1136104 1232384 1253632 1314048 1704156 1848576 1880448 2272208 2507264 2628096 3408312 3697152 3760896 4544416 6816624 7521792 9088832 13633248 18177664 27266496 36355328 54532992 72710656 109065984 218131968
• Sum of all divisors σ(n): 618710400
• Sum of proper divisors (its aliquot sum) s(n): 400578432
• 218131968 is an abundant number, because the sum of its proper divisors (400578432) is greater than itself. Its abundance is 182446464

Bases of 218131968

• Binary: 1101000000000110111000000000₂
• Hexadecimal: 0xD006E00
• Base-36: 3LVBPC

Squares and roots of 218131968

• 218131968 squared (218131968²) is 47581555463553024
• 218131968 cubed (218131968³) is 10379058333765973397471232
• The square root of 218131968 is 14769.2913844909
• The cube root of 218131968 is 601.9675850731

Scales and comparisons

• 218,131,968 seconds is equal to 6 years, 48 weeks, 4 days, 16 hours, 12 minutes, 48 seconds.
• To count from 1 to 218,131,968 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 218131968 cubic inches would be around 50.2 feet tall.

Recreational maths with 218131968

• 218131968 backwards is 869131812
• The number of decimal digits it has is: 9
• The sum of 218131968's digits is 39
• More coming soon!