18315769990

Names of 18315769990

• Cardinal: 18315769990 can be written as Eighteen billion, three hundred fifteen million, seven hundred sixty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.831576999 × 10¹⁰

Factors of 18315769990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 56093

Divisors of 18315769990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 31 35 62 70 151 155 217 302 310 434 755 1057 1085 1510 2114 2170 4681 5285 9362 10570 23405 32767 46810 55897 65534 111794 163835 279485 327670 391279 558970 782558 1732807 1956395 3465614 3912790 8440447 8664035 12129649 16880894 17328070 24259298 42202235 59083129 60648245 84404470 118166258 121296490 261653857 295415645 523307714 590831290 1308269285 1831576999 2616538570 3663153998 9157884995 18315769990
• Sum of all divisors σ(n): 39151853568
• Sum of proper divisors (its aliquot sum) s(n): 20836083578
• 18315769990 is an abundant number, because the sum of its proper divisors (20836083578) is greater than itself. Its abundance is 2520313588

Bases of 18315769990

• Binary: 10001000011101101000111100010000110₂
• Hexadecimal: 0x443B47886
• Base-36: 8EWQIKM

Squares and roots of 18315769990

• 18315769990 squared (18315769990²) is 335467430326584600100
• 18315769990 cubed (18315769990³) is 6144344292998074117707730999000
• The square root of 18315769990 is 135335.7675930499
• The cube root of 18315769990 is 2635.9776704703

Scales and comparisons

• 18,315,769,990 seconds is equal to 582 years, 20 weeks, 1 hour, 53 minutes, 10 seconds.
• To count from 1 to 18,315,769,990 would take you about one thousand, one hundred sixty-four 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 18315769990 cubic inches would be around 219.7 feet tall.

Recreational maths with 18315769990

• 18315769990 backwards is 09996751381
• The number of decimal digits it has is: 11
• The sum of 18315769990's digits is 58
• More coming soon!