18366513990837198616

Names of 18366513990837198616

• Cardinal: 18366513990837198616 can be written as Eighteen quintillion, three hundred sixty-six quadrillion, five hundred thirteen trillion, nine hundred ninety billion, eight hundred thirty-seven million, one hundred ninety-eight thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.8366513990837198616 × 10¹⁹

Factors of 18366513990837198616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 23382106647

Divisors of 18366513990837198616

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 19 38 76 152 5168869 10337738 20675476 41350952 98208511 196417022 392834044 785668088 23376937757 46753875514 93507751028 187015502056 444161817383 888323634766 1776647269532 3553294539064 120832328887086833 241664657774173666 483329315548347332 966658631096694664 2295814248854649827 4591628497709299654 9183256995418599308 18366513990837198616
• Sum of all divisors σ(n): 36249705680758038000
• Sum of proper divisors (its aliquot sum) s(n): 17883191689920839384
• 18366513990837198616 is a deficient number, because the sum of its proper divisors (17883191689920839384) is less than itself. Its deficiency is 483322300916359232

Bases of 18366513990837198616

• Binary: 1111111011100010111101110010101000101010000101111101111100011000₂
• Hexadecimal: 0xFEE2F72A2A17DF18
• Base-36: 3VJG1U6X1Y13S

Squares and roots of 18366513990837198616

• 18366513990837198616 squared (18366513990837198616²) is 337328836175618560287046177202632315456
• 18366513990837198616 cubed (18366513990837198616³) is 6195554789132327619198810620984393108930851755496638608896
• The square root of 18366513990837198616 is 4285617107.3530587417
• The cube root of 18366513990837198616 is 2638409.7588686681

Scales and comparisons

• 18,366,513,990,837,198,616 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,366,513,990,837,198,616 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18366513990837198616 cubic inches would be around 219867.5 feet tall.

Recreational maths with 18366513990837198616

• 18366513990837198616 backwards is 61689173809931566381
• The number of decimal digits it has is: 20
• The sum of 18366513990837198616's digits is 100
• More coming soon!