18198912312

Names of 18198912312

• Cardinal: 18198912312 can be written as Eighteen billion, one hundred ninety-eight million, nine hundred twelve thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8198912312 × 10¹⁰

Factors of 18198912312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5175

Divisors of 18198912312

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 53 56 63 72 84 106 126 137 159 168 212 252 274 318 371 411 424 477 504 548 636 742 822 954 959 1096 1113 1233 1272 1484 1644 1908 1918 2226 2466 2877 2968 3288 3339 3816 3836 4452 4932 4973 5754 6678 7261 7672 8631 8904 9864 9946 11508 13356 14522 14919 17262 19892 21783 23016 26712 29044 29838 34524 34811 39784 43566 44757 50827 58088 59676 65349 69048 69622 87132 89514 101654 104433 119352 130698 139244 152481 174264 179028 203308 208866 261396 263569 278488 304962 313299 358056 406616 417732 457443 522792 527138 609924 626598 681301 790707 835464 914886 1054276 1219848 1253196 1362602 1581414 1829772 1844983 2043903 2108552 2372121 2506392 2725204 3162828 3659544 3689966 4087806 4744242 4769107 5450408 5534949 6131709 6325656 7379932 8175612 9488484 9538214 11069898 12263418 14307321 14759864 16351224 16604847 18976968 19076428 22139796 24526836 28614642 33209694 36108953 38152856 42921963 44279592 49053672 57229284 66419388 72217906 85843926 108326859 114458568 132838776 144435812 171687852 216653718 252762671 288871624 324980577 343375704 433307436 505525342 649961154 758288013 866614872 1011050684 1299922308 1516576026 2022101368 2274864039 2599844616 3033152052 4549728078 6066304104 9099456156 18198912312
• Sum of all divisors σ(n): 57823346880
• Sum of proper divisors (its aliquot sum) s(n): 39624434568
• 18198912312 is an abundant number, because the sum of its proper divisors (39624434568) is greater than itself. Its abundance is 21425522256

Bases of 18198912312

• Binary: 10000111100101111010101110100111000₂
• Hexadecimal: 0x43CBD5D38
• Base-36: 8CZ5UM0

Squares and roots of 18198912312

• 18198912312 squared (18198912312²) is 331200409339865185344
• 18198912312 cubed (18198912312³) is 6027487207274712313977083555328
• The square root of 18198912312 is 134903.3443321551
• The cube root of 18198912312 is 2630.3597127345

Scales and comparisons

• 18,198,912,312 seconds is equal to 578 years, 34 weeks, 5 days, 13 hours, 25 minutes, 12 seconds.
• To count from 1 to 18,198,912,312 would take you about one thousand, one hundred fifty-seven 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 18198912312 cubic inches would be around 219.2 feet tall.

Recreational maths with 18198912312

• 18198912312 backwards is 21321989181
• The number of decimal digits it has is: 11
• The sum of 18198912312's digits is 45
• More coming soon!