19818414018

Names of 19818414018

• Cardinal: 19818414018 can be written as Nineteen billion, eight hundred eighteen million, four hundred fourteen thousand and eighteen.

Scientific notation

• Scientific notation: 1.9818414018 × 10¹⁰

Factors of 19818414018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1297

Divisors of 19818414018

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 27 31 38 39 54 57 62 78 81 93 114 117 162 169 171 186 234 247 279 338 342 351 403 494 507 513 558 589 702 741 806 837 1014 1026 1053 1178 1209 1229 1482 1521 1539 1674 1767 2106 2223 2418 2458 2511 3042 3078 3211 3534 3627 3687 4446 4563 5022 5239 5301 6422 6669 7254 7374 7657 9126 9633 10478 10602 10881 11061 13338 13689 15314 15717 15903 15977 19266 20007 21762 22122 22971 23351 27378 28899 31434 31806 31954 32643 33183 38099 40014 45942 46702 47151 47709 47931 57798 65286 66366 68913 70053 76198 86697 94302 95418 95862 99541 99549 114297 137826 140106 141453 143793 173394 199082 199098 206739 207701 210159 228594 260091 282906 287586 298623 303563 342891 413478 415402 420318 424359 431379 495287 520182 597246 607126 620217 623103 630477 685782 723881 848718 862758 895869 910689 990574 1028673 1240434 1246206 1260954 1294137 1447762 1485861 1791738 1821378 1869309 1891431 2057346 2171643 2588274 2687607 2732067 2971722 3086019 3738618 3782862 3946319 4343286 4457583 5375214 5464134 5607927 6172038 6438731 6514929 7892638 8062821 8196201 8915166 9410453 11215854 11838957 12877462 13029858 13372749 16125642 16392402 16823781 18820906 19316193 19544787 23677914 24588603 26745498 28231359 33647562 35516871 38632386 39089574 40118247 49177206 56462718 57948579 58634361 71033742 80236494 84694077 106550613 115897158 117268722 122335889 169388154 173845737 213101226 244671778 254082231 319651839 347691474 367007667 508164462 521537211 639303678 734015334 762246693 1043074422 1101023001 1524493386 2202046002 3303069003 6606138006 9909207009 19818414018
• Sum of all divisors σ(n): 52292908800
• Sum of proper divisors (its aliquot sum) s(n): 32474494782
• 19818414018 is an abundant number, because the sum of its proper divisors (32474494782) is greater than itself. Its abundance is 12656080764

Bases of 19818414018

• Binary: 10010011101010001001111111111000010₂
• Hexadecimal: 0x49D44FFC2
• Base-36: 93RDE4I

Squares and roots of 19818414018

• 19818414018 squared (19818414018²) is 392769534188858904324
• 19818414018 cubed (19818414018³) is 7784069242211811568878882413832
• The square root of 19818414018 is 140777.8889527755
• The cube root of 19818414018 is 2706.1776251267

Scales and comparisons

• 19,818,414,018 seconds is equal to 630 years, 8 weeks, 3 days, 19 hours, 18 seconds.
• To count from 1 to 19,818,414,018 would take you about one thousand, two hundred sixty 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 19818414018 cubic inches would be around 225.5 feet tall.

Recreational maths with 19818414018

• 19818414018 backwards is 81041481891
• The number of decimal digits it has is: 11
• The sum of 19818414018's digits is 45
• More coming soon!