13818444818661

Names of 13818444818661

• Cardinal: 13818444818661 can be written as Thirteen trillion, eight hundred eighteen billion, four hundred forty-four million, eight hundred eighteen thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 1.3818444818661 × 10¹³

Factors of 13818444818661

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 265023

Divisors of 13818444818661

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 53 63 81 159 189 371 477 567 1113 1431 1747 3339 4293 5241 10017 12229 15723 30051 36687 47169 92591 110061 141507 263213 277773 330183 648137 789639 833319 990549 1842491 1944411 2368917 2499957 5527473 5833233 7106751 7499871 13950289 16582419 17499699 21320253 41850867 49747257 52499097 97652023 125552601 149241771 292956069 376657803 459833111 878868207 1129973409 1379499333 2636604621 3218831777 4138497999 7909813863 9656495331 12415493997 24371154883 28969485993 37246481991 73113464649 86908457979 170598084181 219340393947 260725373937 511794252543 658021181841 1535382757629 1974063545523 4606148272887 13818444818661
• Sum of all divisors σ(n): 24050246419584
• Sum of proper divisors (its aliquot sum) s(n): 10231801600923
• 13818444818661 is a deficient number, because the sum of its proper divisors (10231801600923) is less than itself. Its deficiency is 3586643217738

Bases of 13818444818661

• Binary: 11001001000101011011011111101010100011100101₂
• Hexadecimal: 0xC915B7EA8E5
• Base-36: 4WC3T9HB9

Squares and roots of 13818444818661

• 13818444818661 squared (13818444818661²) is 190949417206379037173832921
• 13818444818661 cubed (13818444818661³) is 2638623984821826007551997435962156938781
• The square root of 13818444818661 is 3717316.8843483065
• The cube root of 13818444818661 is 23996.7847652647

Scales and comparisons

• 13,818,444,818,661 seconds is equal to 439,383 years, 41 weeks, 4 days, 22 hours, 4 minutes, 21 seconds.
• To count from 1 to 13,818,444,818,661 would take you about one million, ninety-eight thousand, four hundred fifty-nine 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 13818444818661 cubic inches would be around 1999.7 feet tall.

Recreational maths with 13818444818661

• 13818444818661 backwards is 16681844481831
• 13818444818661 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13818444818661's digits is 63
• More coming soon!