18318696912

Names of 18318696912

• Cardinal: 18318696912 can be written as Eighteen billion, three hundred eighteen million, six hundred ninety-six thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8318696912 × 10¹⁰

Factors of 18318696912

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 523516

Divisors of 18318696912

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2187 2916 3888 4374 5832 8748 11664 17496 34992 523511 1047022 1570533 2094044 3141066 4188088 4711599 6282132 8376176 9423198 12564264 14134797 18846396 25128528 28269594 37692792 42404391 56539188 75385584 84808782 113078376 127213173 169617564 226156752 254426346 339235128 381639519 508852692 678470256 763279038 1017705384 1144918557 1526558076 2035410768 2289837114 3053116152 4579674228 6106232304 9159348456 18318696912
• Sum of all divisors σ(n): 53230700160
• Sum of proper divisors (its aliquot sum) s(n): 34912003248
• 18318696912 is an abundant number, because the sum of its proper divisors (34912003248) is greater than itself. Its abundance is 16593306336

Bases of 18318696912

• Binary: 10001000011111000010010000111010000₂
• Hexadecimal: 0x443E121D0
• Base-36: 8EYH900

Squares and roots of 18318696912

• 18318696912 squared (18318696912²) is 335574656553718335744
• 18318696912 cubed (18318696912³) is 6147290424756060639111392022528
• The square root of 18318696912 is 135346.5807178001
• The cube root of 18318696912 is 2636.1180757077

Scales and comparisons

• 18,318,696,912 seconds is equal to 582 years, 24 weeks, 5 days, 22 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,318,696,912 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 18318696912 cubic inches would be around 219.7 feet tall.

Recreational maths with 18318696912

• 18318696912 backwards is 21969681381
• 18318696912 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18318696912's digits is 54
• More coming soon!