18021514231149

Names of 18021514231149

• Cardinal: 18021514231149 can be written as Eighteen trillion, twenty-one billion, five hundred fourteen million, two hundred thirty-one thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 1.8021514231149 × 10¹³

Factors of 18021514231149

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5067

Divisors of 18021514231149

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 13 33 39 41 123 143 429 451 533 1353 1599 1681 4999 5043 5863 14997 17589 18491 21853 54989 55473 64987 65559 164967 194961 204959 240383 614877 714857 721149 2144571 2254549 2664467 6763647 7993401 8403319 24990001 25209957 29309137 74970003 87927411 92436509 109243147 274890011 277309527 324870013 327729441 824670033 974610039 1024590041 1201674617 3073770123 3573570143 3605023851 10720710429 11270490451 13319670533 33811471353 39959011599 42008191681 126024575043 146516375863 439549127589 462090108491 546106491853 1386270325473 1638319475559 6007171410383 18021514231149
• Sum of all divisors σ(n): 28940611877856
• Sum of proper divisors (its aliquot sum) s(n): 10919097646707
• 18021514231149 is a deficient number, because the sum of its proper divisors (10919097646707) is less than itself. Its deficiency is 7102416584442

Bases of 18021514231149

• Binary: 100000110001111110101111101000011110101101101₂
• Hexadecimal: 0x1063F5F43D6D
• Base-36: 6DYYW9RVX

Squares and roots of 18021514231149

• 18021514231149 squared (18021514231149²) is 324774975183505932601860201
• 18021514231149 cubed (18021514231149³) is 5852936837190615472159692853351697600949
• The square root of 18021514231149 is 4245175.4064053701
• The cube root of 18021514231149 is 26217.8511249225

Scales and comparisons

• 18,021,514,231,149 seconds is equal to 573,028 years, 21 weeks, 1 day, 15 hours, 19 minutes, 9 seconds.
• To count from 1 to 18,021,514,231,149 would take you about one million, four hundred thirty-two thousand, five hundred seventy-one 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 18021514231149 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18021514231149

• 18021514231149 backwards is 94113241512081
• The number of decimal digits it has is: 14
• The sum of 18021514231149's digits is 42
• More coming soon!