18418854568618242

Names of 18418854568618242

• Cardinal: 18418854568618242 can be written as Eighteen quadrillion, four hundred eighteen trillion, eight hundred fifty-four billion, five hundred sixty-eight million, six hundred eighteen thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.8418854568618242 × 10¹⁶

Factors of 18418854568618242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 611

Divisors of 18418854568618242

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 6 9 18 163 326 443 489 886 978 1329 1467 2658 2934 3987 7974 26569 53138 72209 79707 144418 159414 196249 216627 239121 392498 433254 478242 588747 649881 1177494 1299762 1766241 3532482 11770067 23540134 31988587 35310201 63977174 70620402 86938307 95965761 105930603 173876614 191931522 211861206 260814921 287897283 521629842 575794566 782444763 1564889526 5214139681 10428279362 14170944041 15642419043 28341888082 31284838086 38513670001 42512832123 46927257129 77027340002 85025664246 93854514258 115541010003 127538496369 231082020006 255076992738 346623030009 693246060018 2309863878683 4619727757366 6277728210163 6929591636049 12555456420326 13859183272098 18833184630489 20788774908147 37666369260978 41577549816294 56499553891467 112999107782934 1023269698256569 2046539396513138 3069809094769707 6139618189539414 9209427284309121 18418854568618242
• Sum of all divisors σ(n): 40244697483577587
• Sum of proper divisors (its aliquot sum) s(n): 21825842914959345
• 18418854568618242 is an abundant number, because the sum of its proper divisors (21825842914959345) is greater than itself. Its abundance is 3406988346341103

Bases of 18418854568618242

• Binary: 1000001011011111101100111000011101110110110100100000010₂
• Hexadecimal: 0x416FD9C3BB6902
• Base-36: 51CXSZ5F8CI

Squares and roots of 18418854568618242

• 18418854568618242 squared (18418854568618242²) is 339254203619909085596041135170564
• 18418854568618242 cubed (18418854568618242³) is 6248673838267505794329725098149315854026471828488
• The square root of 18418854568618242 is 135716080.7296550323
• The cube root of 18418854568618242 is 264091.3680180049

Scales and comparisons

• 18,418,854,568,618,242 seconds is equal to 585,662,602 years, 1 week, 1 day, 18 hours, 50 minutes, 42 seconds.
• To count from 1 to 18,418,854,568,618,242 would take you about one billion, seven hundred fifty-six million, nine hundred eighty-seven thousand, eight hundred six 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 18418854568618242 cubic inches would be around 22007.6 feet tall.

Recreational maths with 18418854568618242

• 18418854568618242 backwards is 24281686545881481
• The number of decimal digits it has is: 17
• The sum of 18418854568618242's digits is 81
• More coming soon!