18359994015

Names of 18359994015

• Cardinal: 18359994015 can be written as Eighteen billion, three hundred fifty-nine million, nine hundred ninety-four thousand and fifteen.

Scientific notation

• Scientific notation: 1.8359994015 × 10¹⁰

Factors of 18359994015

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12282

Divisors of 18359994015

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 11 15 33 43 45 55 71 99 129 165 213 215 355 387 473 495 639 645 781 1065 1419 1935 2343 2365 3053 3195 3905 4257 7029 7095 9159 11715 12149 15265 21285 27477 33583 35145 36447 45795 60745 100749 109341 133639 137385 167915 182235 302247 400917 503745 522407 546705 668195 862579 1202751 1511235 1567221 2004585 2587737 2612035 4312895 4701663 5746477 6013755 7763211 7836105 9488369 12938685 17239431 23508315 28465107 28732385 37090897 38816055 47441845 51718293 85395321 86197155 111272691 142325535 185454485 258591465 333818073 407999867 426976605 556363455 1223999601 1669090365 2039999335 3671998803 6119998005 18359994015
• Sum of all divisors σ(n): 36027763200
• Sum of proper divisors (its aliquot sum) s(n): 17667769185
• 18359994015 is a deficient number, because the sum of its proper divisors (17667769185) is less than itself. Its deficiency is 692224830

Bases of 18359994015

• Binary: 10001000110010101110100011010011111₂
• Hexadecimal: 0x44657469F
• Base-36: 8FN2E1R

Squares and roots of 18359994015

• 18359994015 squared (18359994015²) is 337089380230835820225
• 18359994015 cubed (18359994015³) is 6188959003558204977778615953375
• The square root of 18359994015 is 135499.0554026115
• The cube root of 18359994015 is 2638.0975166387

Scales and comparisons

• 18,359,994,015 seconds is equal to 583 years, 41 weeks, 22 hours, 20 minutes, 15 seconds.
• To count from 1 to 18,359,994,015 would take you about one thousand, one hundred sixty-seven 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 18359994015 cubic inches would be around 219.8 feet tall.

Recreational maths with 18359994015

• 18359994015 backwards is 51049995381
• The number of decimal digits it has is: 11
• The sum of 18359994015's digits is 54
• More coming soon!