18490331220615

Names of 18490331220615

• Cardinal: 18490331220615 can be written as Eighteen trillion, four hundred ninety billion, three hundred thirty-one million, two hundred twenty thousand, six hundred fifteen.

Scientific notation

• Scientific notation: 1.8490331220615 × 10¹³

Factors of 18490331220615

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1105721

Divisors of 18490331220615

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 27 43 45 67 129 135 201 215 335 387 603 645 1005 1161 1809 1849 1935 2881 3015 5547 5805 8643 9045 9245 14405 16641 25929 27735 43215 49923 77787 83205 123883 129645 249615 371649 388935 619415 1105603 1114947 1858245 3316809 3344841 5528015 5574735 9950427 16584045 16724205 29851281 47540929 49752135 74075401 142622787 149256405 222226203 237704645 370377005 427868361 666678609 713113935 1111131015 1283605083 2000035827 2044259947 2139341805 3185242243 3333393045 6132779841 6418025415 9555726729 10000179135 10221299735 15926211215 18398339523 28667180187 30663899205 47778633645 55195018569 86001540561 91991697615 136965416449 143335900935 275975092845 410896249347 430007702805 684827082245 1232688748041 2054481246735 3698066244123 6163443740205 18490331220615
• Sum of all divisors σ(n): 34156264631040
• Sum of proper divisors (its aliquot sum) s(n): 15665933410425
• 18490331220615 is a deficient number, because the sum of its proper divisors (15665933410425) is less than itself. Its deficiency is 2824397810190

Bases of 18490331220615

• Binary: 100001101000100011101100111111100101010000111₂
• Hexadecimal: 0x10D11D9FCA87
• Base-36: 6JYC9SW3R

Squares and roots of 18490331220615

• 18490331220615 squared (18490331220615²) is 341892348648049795800978225
• 18490331220615 cubed (18490331220615³) is 6321702768296423725832003204675286108375
• The square root of 18490331220615 is 4300038.5138525213
• The cube root of 18490331220615 is 26443.2540191713

Scales and comparisons

• 18,490,331,220,615 seconds is equal to 587,935 years, 17 weeks, 4 days, 4 hours, 50 minutes, 15 seconds.
• To count from 1 to 18,490,331,220,615 would take you about one million, four hundred sixty-nine thousand, eight hundred thirty-eight 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 18490331220615 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18490331220615

• 18490331220615 backwards is 51602213309481
• 18490331220615 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18490331220615's digits is 45
• More coming soon!