18386700018739

Names of 18386700018739

• Cardinal: 18386700018739 can be written as Eighteen trillion, three hundred eighty-six billion, seven hundred million, eighteen thousand, seven hundred thirty-nine.

Scientific notation

• Scientific notation: 1.8386700018739 × 10¹³

Factors of 18386700018739

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 530

Divisors of 18386700018739

• Number of divisors d(n): 54
• Complete list of divisors:
  1 13 101 139 169 277 1313 1807 3601 10201 14039 17069 23491 27977 38503 46813 76729 132613 182507 363701 500539 997477 1417939 1723969 2372591 2825677 3888803 4728113 6507007 7749629 10665331 12967201 18433207 36733801 50554439 100745177 138649303 239631691 392769103 477539413 657207707 782712529 1077198431 1309687301 1802440939 5105998339 10175262877 14003579603 66377978407 108797041531 132278417401 182046534839 1414361539903 18386700018739
• Sum of all divisors σ(n): 20326987960020
• Sum of proper divisors (its aliquot sum) s(n): 1940287941281
• 18386700018739 is a deficient number, because the sum of its proper divisors (1940287941281) is less than itself. Its deficiency is 16446412077458

Bases of 18386700018739

• Binary: 100001011100011111100101110010010010000110011₂
• Hexadecimal: 0x10B8FCB92433
• Base-36: 6IMQEGKZ7

Squares and roots of 18386700018739

• 18386700018739 squared (18386700018739²) is 338070737579096742951150121
• 18386700018739 cubed (18386700018739³) is 6216005236980685635114605795952302117419
• The square root of 18386700018739 is 4287971.5505981381
• The cube root of 18386700018739 is 26393.7600125959

Scales and comparisons

• 18,386,700,018,739 seconds is equal to 584,640 years, 9 weeks, 4 days, 23 hours, 52 minutes, 19 seconds.
• To count from 1 to 18,386,700,018,739 would take you about one million, four hundred sixty-one thousand, six hundred 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 18386700018739 cubic inches would be around 2199.5 feet tall.

Recreational maths with 18386700018739

• 18386700018739 backwards is 93781000768381
• The number of decimal digits it has is: 14
• The sum of 18386700018739's digits is 61
• More coming soon!