2118172368

Names of 2118172368

• Cardinal: 2118172368 can be written as Two billion, one hundred eighteen million, one hundred seventy-two thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.118172368 × 10⁹

Factors of 2118172368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17446

Divisors of 2118172368

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 197 208 312 394 591 624 788 1182 1576 2364 2561 3152 4728 5122 7683 9456 10244 15366 17231 20488 30732 34462 40976 51693 61464 68924 103386 122928 137848 206772 224003 275696 413544 448006 672009 827088 896012 1344018 1792024 2688036 3394507 3584048 5376072 6789014 10183521 10752144 13578028 20367042 27156056 40734084 44128591 54312112 81468168 88257182 132385773 162936336 176514364 264771546 353028728 529543092 706057456 1059086184 2118172368
• Sum of all divisors σ(n): 5923120896
• Sum of proper divisors (its aliquot sum) s(n): 3804948528
• 2118172368 is an abundant number, because the sum of its proper divisors (3804948528) is greater than itself. Its abundance is 1686776160

Bases of 2118172368

• Binary: 1111110010000001011111011010000₂
• Hexadecimal: 0x7E40BED0
• Base-36: Z13S9C

Squares and roots of 2118172368

• 2118172368 squared (2118172368²) is 4486654180558727424
• 2118172368 cubed (2118172368³) is 9503506910031179230760620032
• The square root of 2118172368 is 46023.6066383329
• The cube root of 2118172368 is 1284.2623953019

Scales and comparisons

• 2,118,172,368 seconds is equal to 67 years, 18 weeks, 1 day, 21 hours, 12 minutes, 48 seconds.
• To count from 1 to 2,118,172,368 would take you about one hundred thirty-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 2118172368 cubic inches would be around 107 feet tall.

Recreational maths with 2118172368

• 2118172368 backwards is 8632718112
• 2118172368 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2118172368's digits is 39
• More coming soon!