389586940561

Names of 389586940561

• Cardinal: 389586940561 can be written as Three hundred eighty-nine billion, five hundred eighty-six million, nine hundred forty thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.89586940561 × 10¹¹

Factors of 389586940561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 39

Divisors of 389586940561

• Number of divisors d(n): 63
• Complete list of divisors:
  1 7 13 19 49 91 133 169 247 361 637 931 1183 1729 2527 3211 4693 6859 8281 12103 17689 22477 32851 48013 61009 89167 130321 157339 229957 336091 427063 624169 912247 1159171 1694173 2476099 2989441 4369183 6385729 8114197 11859211 17332693 22024249 32189287 47045881 56799379 83014477 121328851 154169743 225325009 329321167 418460731 611596453 1079188201 1577275063 2305248169 2929225117 4281175171 7950753889 20504575819 29968226197 55655277223 389586940561
• Sum of all divisors σ(n): 517998672171
• Sum of proper divisors (its aliquot sum) s(n): 128411731610
• 389586940561 is a deficient number, because the sum of its proper divisors (128411731610) is less than itself. Its deficiency is 261175208951

Bases of 389586940561

• Binary: 101101010110101001100001111001010010001₂
• Hexadecimal: 0x5AB530F291
• Base-36: 4YZ20781

Squares and roots of 389586940561

• 389586940561 squared (389586940561²) is 151777984255680146994721
• 389586940561 cubed (389586940561³) is 59130720530686055253860113007778481
• 389586940561 is a perfect square number. Its square root is 624169
• The cube root of 389586940561 is 7303.5632854905
• Being both a perfect square and a perfect cube, 389586940561 is also a perfect sixth number.

Scales and comparisons

• 389,586,940,561 seconds is equal to 12,387 years, 34 weeks, 2 days, 2 hours, 36 minutes, 1 second.
• To count from 1 to 389,586,940,561 would take you about twenty-four thousand, seven hundred seventy-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 389586940561 cubic inches would be around 608.6 feet tall.

Recreational maths with 389586940561

• 389586940561 backwards is 165049685983
• The number of decimal digits it has is: 12
• The sum of 389586940561's digits is 64
• More coming soon!