18027896920

Names of 18027896920

• Cardinal: 18027896920 can be written as Eighteen billion, twenty-seven million, eight hundred ninety-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.802789692 × 10¹⁰

Factors of 18027896920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2156484

Divisors of 18027896920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 8360 2156447 4312894 8625788 10782235 17251576 21564470 23720917 40972493 43128940 47441834 81944986 86257880 94883668 118604585 163889972 189767336 204862465 237209170 327779944 409724930 450697423 474418340 819449860 901394846 948836680 1638899720 1802789692 2253487115 3605579384 4506974230 9013948460 18027896920
• Sum of all divisors σ(n): 46579276800
• Sum of proper divisors (its aliquot sum) s(n): 28551379880
• 18027896920 is an abundant number, because the sum of its proper divisors (28551379880) is greater than itself. Its abundance is 10523482960

Bases of 18027896920

• Binary: 10000110010100010111110000001011000₂
• Hexadecimal: 0x4328BE058
• Base-36: 8A5CEAG

Squares and roots of 18027896920

• 18027896920 squared (18027896920²) is 325005067358145486400
• 18027896920 cubed (18027896920³) is 5859157852810303551182461888000
• The square root of 18027896920 is 134268.0040813893
• The cube root of 18027896920 is 2622.0945956137

Scales and comparisons

• 18,027,896,920 seconds is equal to 573 years, 12 weeks, 5 hours, 8 minutes, 40 seconds.
• To count from 1 to 18,027,896,920 would take you about one thousand, one hundred forty-six 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 18027896920 cubic inches would be around 218.5 feet tall.

Recreational maths with 18027896920

• 18027896920 backwards is 02969872081
• The number of decimal digits it has is: 11
• The sum of 18027896920's digits is 52
• More coming soon!