18086321320

Names of 18086321320

• Cardinal: 18086321320 can be written as Eighteen billion, eighty-six million, three hundred twenty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.808632132 × 10¹⁰

Factors of 18086321320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 205542

Divisors of 18086321320

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 62 71 124 142 155 248 284 310 355 568 620 710 1240 1420 2201 2840 4402 8804 11005 17608 22010 44020 88040 205433 410866 821732 1027165 1643464 2054330 4108660 6368423 8217320 12736846 14585743 25473692 29171486 31842115 50947384 58342972 63684230 72928715 116685944 127368460 145857430 254736920 291714860 452158033 583429720 904316066 1808632132 2260790165 3617264264 4521580330 9043160660 18086321320
• Sum of all divisors σ(n): 42598794240
• Sum of proper divisors (its aliquot sum) s(n): 24512472920
• 18086321320 is an abundant number, because the sum of its proper divisors (24512472920) is greater than itself. Its abundance is 6426151600

Bases of 18086321320

• Binary: 10000110110000001110101110010101000₂
• Hexadecimal: 0x436075CA8
• Base-36: 8B44MUG

Squares and roots of 18086321320

• 18086321320 squared (18086321320²) is 327115018890286542400
• 18086321320 cubed (18086321320³) is 5916307340247592232718203968000
• The square root of 18086321320 is 134485.3944486167
• The cube root of 18086321320 is 2624.9240828231

Scales and comparisons

• 18,086,321,320 seconds is equal to 575 years, 4 weeks, 4 days, 10 hours, 8 minutes, 40 seconds.
• To count from 1 to 18,086,321,320 would take you about one thousand, one hundred fifty 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 18086321320 cubic inches would be around 218.7 feet tall.

Recreational maths with 18086321320

• 18086321320 backwards is 02312368081
• The number of decimal digits it has is: 11
• The sum of 18086321320's digits is 34
• More coming soon!