18166948540

Names of 18166948540

• Cardinal: 18166948540 can be written as Eighteen billion, one hundred sixty-six million, nine hundred forty-eight thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.816694854 × 10¹⁰

Factors of 18166948540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 740

Divisors of 18166948540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 26 47 52 65 94 130 188 235 260 470 611 673 940 1222 1346 2209 2444 2692 3055 3365 4418 6110 6730 8749 8836 11045 12220 13460 17498 22090 28717 31631 34996 43745 44180 57434 63262 87490 103823 114868 126524 143585 158155 174980 207646 287170 316310 411203 415292 519115 574340 632620 822406 1038230 1349699 1486657 1644812 2056015 2076460 2699398 2973314 4112030 5398796 5946628 6748495 7433285 8224060 13496990 14866570 19326541 26993980 29733140 38653082 69872879 77306164 96632705 139745758 193265410 279491516 349364395 386530820 698728790 908347427 1397457580 1816694854 3633389708 4541737135 9083474270 18166948540
• Sum of all divisors σ(n): 42040776960
• Sum of proper divisors (its aliquot sum) s(n): 23873828420
• 18166948540 is an abundant number, because the sum of its proper divisors (23873828420) is greater than itself. Its abundance is 5706879880

Bases of 18166948540

• Binary: 10000111010110101011010001010111100₂
• Hexadecimal: 0x43AD5A2BC
• Base-36: 8CG4R7G

Squares and roots of 18166948540

• 18166948540 squared (18166948540²) is 330038019255008131600
• 18166948540 cubed (18166948540³) is 5995783712049261864058747864000
• The square root of 18166948540 is 134784.8231070547
• The cube root of 18166948540 is 2628.8188607801

Scales and comparisons

• 18,166,948,540 seconds is equal to 577 years, 33 weeks, 6 days, 14 hours, 35 minutes, 40 seconds.
• To count from 1 to 18,166,948,540 would take you about one thousand, one hundred fifty-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 18166948540 cubic inches would be around 219.1 feet tall.

Recreational maths with 18166948540

• 18166948540 backwards is 04584966181
• 18166948540 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18166948540's digits is 52
• More coming soon!