18078319152

Names of 18078319152

• Cardinal: 18078319152 can be written as Eighteen billion, seventy-eight million, three hundred nineteen thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.8078319152 × 10¹⁰

Factors of 18078319152

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6474

Divisors of 18078319152

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 6469 12938 19407 25876 38814 51752 58221 77628 103504 116442 155256 174663 232884 310512 349326 465768 698652 931536 1397304 2794608 41847961 83695922 125543883 167391844 251087766 334783688 376631649 502175532 669567376 753263298 1004351064 1129894947 1506526596 2008702128 2259789894 3013053192 4519579788 6026106384 9039159576 18078319152
• Sum of all divisors σ(n): 51899494440
• Sum of proper divisors (its aliquot sum) s(n): 33821175288
• 18078319152 is an abundant number, because the sum of its proper divisors (33821175288) is greater than itself. Its abundance is 15742856136

Bases of 18078319152

• Binary: 10000110101100011010100001000110000₂
• Hexadecimal: 0x4358D4230
• Base-36: 8AZD4C0

Squares and roots of 18078319152

• 18078319152 squared (18078319152²) is 326825623361569999104
• 18078319152 cubed (18078319152³) is 5908457926181809535590466039808
• The square root of 18078319152 is 134455.6400899569
• The cube root of 18078319152 is 2624.5368992029

Scales and comparisons

• 18,078,319,152 seconds is equal to 574 years, 43 weeks, 2 days, 19 hours, 19 minutes, 12 seconds.
• To count from 1 to 18,078,319,152 would take you about one thousand, one hundred forty-nine 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 18078319152 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078319152

• 18078319152 backwards is 25191387081
• The number of decimal digits it has is: 11
• The sum of 18078319152's digits is 45
• More coming soon!