18155022816

Names of 18155022816

• Cardinal: 18155022816 can be written as Eighteen billion, one hundred fifty-five million, twenty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8155022816 × 10¹⁰

Factors of 18155022816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172248

Divisors of 18155022816

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 157 168 224 314 336 471 628 672 942 1099 1256 1884 2198 2512 3297 3768 4396 5024 6594 7536 8792 13188 15072 17584 26376 35168 52752 105504 172079 344158 516237 688316 1032474 1204553 1376632 2064948 2409106 2753264 3613659 4129896 4818212 5506528 7227318 8259792 9636424 14454636 16519584 19272848 27016403 28909272 38545696 54032806 57818544 81049209 108065612 115637088 162098418 189114821 216131224 324196836 378229642 432262448 567344463 648393672 756459284 864524896 1134688926 1296787344 1512918568 2269377852 2593574688 3025837136 4538755704 6051674272 9077511408 18155022816
• Sum of all divisors σ(n): 54812298240
• Sum of proper divisors (its aliquot sum) s(n): 36657275424
• 18155022816 is an abundant number, because the sum of its proper divisors (36657275424) is greater than itself. Its abundance is 18502252608

Bases of 18155022816

• Binary: 10000111010000111111010100111100000₂
• Hexadecimal: 0x43A1FA9E0
• Base-36: 8C9159C

Squares and roots of 18155022816

• 18155022816 squared (18155022816²) is 329604853449480569856
• 18155022816 cubed (18155022816³) is 5983983634639656049084361834496
• The square root of 18155022816 is 134740.5759821443
• The cube root of 18155022816 is 2628.2435040059

Scales and comparisons

• 18,155,022,816 seconds is equal to 577 years, 14 weeks, 1 day, 13 hours, 53 minutes, 36 seconds.
• To count from 1 to 18,155,022,816 would take you about one thousand, one hundred fifty-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 18155022816 cubic inches would be around 219 feet tall.

Recreational maths with 18155022816

• 18155022816 backwards is 61822055181
• The number of decimal digits it has is: 11
• The sum of 18155022816's digits is 39
• More coming soon!