18115068380868

Names of 18115068380868

• Cardinal: 18115068380868 can be written as Eighteen trillion, one hundred fifteen billion, sixty-eight million, three hundred eighty thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8115068380868 × 10¹³

Factors of 18115068380868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 653468

Divisors of 18115068380868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 233 466 699 932 1398 2097 2796 3323 4194 6646 8388 9969 13292 19938 29907 39876 59814 119628 649907 774259 1299814 1548518 1949721 2322777 2599628 3097036 3899442 4645554 5849163 6968331 7798884 9291108 11698326 13936662 23396652 27873324 151428331 302856662 454284993 605713324 908569986 1362854979 1817139972 2159640961 2725709958 4319281922 5451419916 6478922883 8638563844 12957845766 19436768649 25915691532 38873537298 77747074596 503196343913 1006392687826 1509589031739 2012785375652 3019178063478 4528767095217 6038356126956 9057534190434 18115068380868
• Sum of all divisors σ(n): 46001304524448
• Sum of proper divisors (its aliquot sum) s(n): 27886236143580
• 18115068380868 is an abundant number, because the sum of its proper divisors (27886236143580) is greater than itself. Its abundance is 9771167762712

Bases of 18115068380868

• Binary: 100000111100110111110001101110100011011000100₂
• Hexadecimal: 0x1079BE3746C4
• Base-36: 6F5Y3ZVT0

Squares and roots of 18115068380868

• 18115068380868 squared (18115068380868²) is 328155702443523583108433424
• 18115068380868 cubed (18115068380868³) is 5944562989336201945872862900575653332032
• The square root of 18115068380868 is 4256180.0221405109
• The cube root of 18115068380868 is 26263.1406344815

Scales and comparisons

• 18,115,068,380,868 seconds is equal to 576,003 years, 7 weeks, 2 days, 7 hours, 7 minutes, 48 seconds.
• To count from 1 to 18,115,068,380,868 would take you about one million, four hundred forty thousand and 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 18115068380868 cubic inches would be around 2188.6 feet tall.

Recreational maths with 18115068380868

• 18115068380868 backwards is 86808386051181
• The number of decimal digits it has is: 14
• The sum of 18115068380868's digits is 63
• More coming soon!