18017662768

Names of 18017662768

• Cardinal: 18017662768 can be written as Eighteen billion, seventeen million, six hundred sixty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8017662768 × 10¹⁰

Factors of 18017662768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12300

Divisors of 18017662768

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 439 496 868 878 1736 1756 3073 3472 3512 6146 7024 11821 12292 13609 23642 24584 27218 47284 49168 54436 82747 94568 95263 108872 165494 189136 190526 217744 330988 366451 381052 661976 732902 762104 1323952 1465804 1524208 2565157 2931608 5130314 5189419 5863216 10260628 10378838 20521256 20757676 36325933 41042512 41515352 72651866 83030704 145303732 160871989 290607464 321743978 581214928 643487956 1126103923 1286975912 2252207846 2573951824 4504415692 9008831384 18017662768
• Sum of all divisors σ(n): 41280532480
• Sum of proper divisors (its aliquot sum) s(n): 23262869712
• 18017662768 is an abundant number, because the sum of its proper divisors (23262869712) is greater than itself. Its abundance is 5245206944

Bases of 18017662768

• Binary: 10000110001111011111011011100110000₂
• Hexadecimal: 0x431EFB730
• Base-36: 89Z91KG

Squares and roots of 18017662768

• 18017662768 squared (18017662768²) is 324636171621373421824
• 18017662768 cubed (18017662768³) is 5849185062568478095423043448832
• The square root of 18017662768 is 134229.8877597683
• The cube root of 18017662768 is 2621.5983278147

Scales and comparisons

• 18,017,662,768 seconds is equal to 572 years, 47 weeks, 18 hours, 19 minutes, 28 seconds.
• To count from 1 to 18,017,662,768 would take you about one thousand, one hundred forty-five 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 18017662768 cubic inches would be around 218.5 feet tall.

Recreational maths with 18017662768

• 18017662768 backwards is 86726671081
• The number of decimal digits it has is: 11
• The sum of 18017662768's digits is 52
• More coming soon!