18518368111836

Names of 18518368111836

• Cardinal: 18518368111836 can be written as Eighteen trillion, five hundred eighteen billion, three hundred sixty-eight million, one hundred eleven thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.8518368111836 × 10¹³

Factors of 18518368111836

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1590

Divisors of 18518368111836

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 12 67 134 197 201 268 394 402 591 788 804 1182 1321 2364 2642 3963 4489 5284 7926 8978 13199 13467 15852 17956 26398 26934 39597 52796 53868 79194 88507 158388 177014 260237 265521 354028 520474 531042 780711 884333 1040948 1062084 1561422 1745041 1768666 2652999 3122844 3490082 3537332 5235123 5305998 5929969 6980164 10470246 10611996 11859938 17435879 17789907 20940492 23719876 34871758 35579814 52307637 69743516 71159628 104615274 116917747 209230548 233835494 343773077 350753241 467670988 687546154 701506482 1031319231 1168203893 1375092308 1403012964 2062638462 2336407786 3504611679 4125276924 4672815572 7009223358 7833489049 14018446716 15666978098 23032796159 23500467147 31333956196 46065592318 47000934294 69098388477 92131184636 94001868588 138196776954 276393553908 1543197342653 3086394685306 4629592027959 6172789370612 9259184055918 18518368111836
• Sum of all divisors σ(n): 44120128802904
• Sum of proper divisors (its aliquot sum) s(n): 25601760691068
• 18518368111836 is an abundant number, because the sum of its proper divisors (25601760691068) is greater than itself. Its abundance is 7083392579232

Bases of 18518368111836

• Binary: 100001101011110100100110000001100110011011100₂
• Hexadecimal: 0x10D7A4C0CCDC
• Base-36: 6KB7Y8RTO

Squares and roots of 18518368111836

• 18518368111836 squared (18518368111836²) is 342929957525464419803290896
• 18518368111836 cubed (18518368111836³) is 6350503190032834226641667276298568645056
• The square root of 18518368111836 is 4303297.3534065711
• The cube root of 18518368111836 is 26456.6125725581

Scales and comparisons

• 18,518,368,111,836 seconds is equal to 588,826 years, 42 weeks, 6 days, 6 hours, 10 minutes, 36 seconds.
• To count from 1 to 18,518,368,111,836 would take you about one million, four hundred seventy-two thousand and sixty-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 18518368111836 cubic inches would be around 2204.7 feet tall.

Recreational maths with 18518368111836

• 18518368111836 backwards is 63811186381581
• The number of decimal digits it has is: 14
• The sum of 18518368111836's digits is 60
• More coming soon!