18968383040

Names of 18968383040

• Cardinal: 18968383040 can be written as Eighteen billion, nine hundred sixty-eight million, three hundred eighty-three thousand and forty.

Scientific notation

• Scientific notation: 1.896838304 × 10¹⁰

Factors of 18968383040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 59085

Divisors of 18968383040

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 1021 2042 4084 5105 8168 10210 16336 20420 32672 40840 58057 65344 81680 116114 163360 232228 290285 326720 464456 580570 928912 1161140 1857824 2322280 3715648 4644560 9289120 18578240 59276197 118552394 237104788 296380985 474209576 592761970 948419152 1185523940 1896838304 2371047880 3793676608 4742095760 9484191520 18968383040
• Sum of all divisors σ(n): 45213480312
• Sum of proper divisors (its aliquot sum) s(n): 26245097272
• 18968383040 is an abundant number, because the sum of its proper divisors (26245097272) is greater than itself. Its abundance is 7276714232

Bases of 18968383040

• Binary: 10001101010100110101000111001000000₂
• Hexadecimal: 0x46A9A8E40
• Base-36: 8PPAA0W

Squares and roots of 18968383040

• 18968383040 squared (18968383040²) is 359799555152159641600
• 18968383040 cubed (18968383040³) is 6824815779747769565097918464000
• The square root of 18968383040 is 137725.7530021163
• The cube root of 18968383040 is 2666.9207085755

Scales and comparisons

• 18,968,383,040 seconds is equal to 603 years, 7 weeks, 11 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,968,383,040 would take you about one thousand, two hundred 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 18968383040 cubic inches would be around 222.2 feet tall.

Recreational maths with 18968383040

• 18968383040 backwards is 04038386981
• The number of decimal digits it has is: 11
• The sum of 18968383040's digits is 50
• More coming soon!