18942118356

Names of 18942118356

• Cardinal: 18942118356 can be written as Eighteen billion, nine hundred forty-two million, one hundred eighteen thousand, three hundred fifty-six.

Scientific notation

• Scientific notation: 1.8942118356 × 10¹⁰

Factors of 18942118356

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2421

Divisors of 18942118356

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 42 49 62 84 93 98 124 147 186 196 217 294 372 434 577 588 651 868 1154 1302 1519 1731 1801 2308 2604 3038 3462 3602 4039 4557 5403 6076 6924 7204 8078 9114 10806 12117 12607 16156 17887 18228 21612 24234 25214 28273 35774 37821 48468 50428 53661 55831 56546 71548 75642 84819 88249 107322 111662 113092 125209 151284 167493 169638 176498 214644 223324 250418 264747 334986 339276 352996 375627 390817 500836 529494 669972 751254 781634 876463 1039177 1058988 1172451 1502508 1563268 1752926 2078354 2344902 2629389 2735719 3117531 3505852 4156708 4689804 5258778 5471438 6235062 7274239 8207157 10517556 10942876 12470124 14548478 16414314 21822717 29096956 32214487 32828628 43645434 50919673 64428974 87290868 96643461 101839346 128857948 152759019 193286922 203678692 225501409 305518038 386573844 451002818 611036076 676504227 902005636 1353008454 1578509863 2706016908 3157019726 4735529589 6314039452 9471059178 18942118356
• Sum of all divisors σ(n): 53194348032
• Sum of proper divisors (its aliquot sum) s(n): 34252229676
• 18942118356 is an abundant number, because the sum of its proper divisors (34252229676) is greater than itself. Its abundance is 15310111320

Bases of 18942118356

• Binary: 10001101001000010011100100111010100₂
• Hexadecimal: 0x46909C9D4
• Base-36: 8P9NC2C

Squares and roots of 18942118356

• 18942118356 squared (18942118356²) is 358803847812712142736
• 18942118356 cubed (18942118356³) is 6796504951856605129063677662016
• The square root of 18942118356 is 137630.3685819377
• The cube root of 18942118356 is 2665.6892174815

Scales and comparisons

• 18,942,118,356 seconds is equal to 602 years, 15 weeks, 4 days, 11 hours, 32 minutes, 36 seconds.
• To count from 1 to 18,942,118,356 would take you about one thousand, two hundred 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 18942118356 cubic inches would be around 222.1 feet tall.

Recreational maths with 18942118356

• 18942118356 backwards is 65381124981
• The number of decimal digits it has is: 11
• The sum of 18942118356's digits is 48
• More coming soon!