2118372984

Names of 2118372984

• Cardinal: 2118372984 can be written as Two billion, one hundred eighteen million, three hundred seventy-two thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.118372984 × 10⁹

Factors of 2118372984

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 244

Divisors of 2118372984

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 43 52 56 63 72 73 78 84 86 91 103 104 117 126 129 146 156 168 172 182 206 219 234 252 258 273 292 301 309 312 344 364 387 412 438 468 504 511 516 546 559 584 602 618 657 721 728 774 819 824 876 903 927 936 949 1022 1032 1092 1118 1204 1236 1314 1339 1442 1533 1548 1638 1677 1752 1806 1854 1898 2044 2163 2184 2236 2408 2472 2628 2678 2709 2847 2884 3066 3096 3139 3276 3354 3612 3708 3796 3913 4017 4088 4326 4429 4472 4599 5031 5256 5356 5418 5694 5768 6132 6278 6489 6552 6643 6708 7224 7416 7519 7592 7826 8034 8541 8652 8858 9198 9373 9417 10062 10712 10836 11388 11739 12051 12264 12556 12978 13286 13287 13416 15038 15652 16068 17082 17304 17716 18396 18746 18834 19929 20124 21672 21973 22557 22776 23478 24102 25112 25956 26572 26574 28119 28251 30076 31003 31304 32136 34164 35217 35432 36792 37492 37668 39858 39861 40248 40807 43946 45114 46956 48204 51912 52633 53144 53148 56238 56502 57577 59787 60152 62006 65919 67671 68328 70434 74984 75336 79716 79722 81614 84357 87892 90228 93009 93912 96408 97747 105266 106296 112476 113004 115154 119574 122421 124012 131838 135342 140868 157899 159432 159444 163228 168714 172731 175784 180456 186018 195494 197757 210532 224952 226008 230308 239148 244842 248024 263676 270684 279027 281736 285649 293241 315798 318888 323317 326456 337428 345462 367263 372036 390988 395514 403039 421064 460616 473697 478296 489684 518193 527352 541368 558054 571298 586482 631596 646634 674856 684229 690924 734526 744072 781976 791028 806078 856947 879723 947394 969951 979368 1036386 1116108 1142596 1172964 1209117 1263192 1293268 1368458 1381848 1469052 1582056 1612156 1713894 1759446 1894788 1939902 2052687 2072772 2232216 2263219 2285192 2345928 2418234 2570841 2586536 2736916 2909853 2938104 3224312 3427788 3518892 3627351 3789576 3879804 4105374 4145544 4203121 4526438 4836468 5141682 5473832 5819706 6158061 6789657 6855576 7037784 7254702 7759608 8210748 8406242 9052876 9672936 10283364 11639412 12316122 12609363 13579314 14509404 16421496 16812484 18105752 20368971 20566728 23278824 24632244 25218726 27158628 29018808 29421847 33624968 37828089 40737942 49264488 50437452 54317256 58843694 75656178 81475884 88265541 100874904 117687388 151312356 162951768 176531082 235374776 264796623 302624712 353062164 529593246 706124328 1059186492 2118372984
• Sum of all divisors σ(n): 7395548160
• Sum of proper divisors (its aliquot sum) s(n): 5277175176
• 2118372984 is an abundant number, because the sum of its proper divisors (5277175176) is greater than itself. Its abundance is 3158802192

Bases of 2118372984

• Binary: 1111110010000111100111001111000₂
• Hexadecimal: 0x7E43CE78
• Base-36: Z18320

Squares and roots of 2118372984

• 2118372984 squared (2118372984²) is 4487504099341064256
• 2118372984 cubed (2118372984³) is 9506207449633362721718459904
• The square root of 2118372984 is 46025.7860769373
• The cube root of 2118372984 is 1284.3029389729

Scales and comparisons

• 2,118,372,984 seconds is equal to 67 years, 18 weeks, 4 days, 4 hours, 56 minutes, 24 seconds.
• To count from 1 to 2,118,372,984 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 2118372984 cubic inches would be around 107 feet tall.

Recreational maths with 2118372984

• 2118372984 backwards is 4892738112
• The number of decimal digits it has is: 10
• The sum of 2118372984's digits is 45
• More coming soon!