16128340641

Names of 16128340641

• Cardinal: 16128340641 can be written as Sixteen billion, one hundred twenty-eight million, three hundred forty thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 1.6128340641 × 10¹⁰

Factors of 16128340641

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3941

Divisors of 16128340641

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 49 63 97 101 147 291 303 441 679 707 873 909 2037 2121 3733 4753 4949 6111 6363 9797 11199 14259 14847 26131 29391 33597 42777 44541 68579 78393 88173 182917 205737 235179 362101 377033 480053 548751 617211 1086303 1131099 1440159 1646253 2534707 2639231 3258909 3393297 4320477 7604121 7917693 17742949 18474617 22812363 23753079 36572201 53228847 55423851 109716603 159686541 166271553 256005407 329149809 768016221 1792037849 2304048663 5376113547 16128340641
• Sum of all divisors σ(n): 27657872424
• Sum of proper divisors (its aliquot sum) s(n): 11529531783
• 16128340641 is a deficient number, because the sum of its proper divisors (11529531783) is less than itself. Its deficiency is 4598808858

Bases of 16128340641

• Binary: 1111000001010100101111001010100001₂
• Hexadecimal: 0x3C152F2A1
• Base-36: 7EQEBA9

Squares and roots of 16128340641

• 16128340641 squared (16128340641²) is 260123371832132290881
• 16128340641 cubed (16128340641³) is 4195358349594133856704465994721
• The square root of 16128340641 is 126997.4040718943
• The cube root of 16128340641 is 2526.5616267271

Scales and comparisons

• 16,128,340,641 seconds is equal to 512 years, 43 weeks, 1 day, 14 hours, 37 minutes, 21 seconds.
• To count from 1 to 16,128,340,641 would take you about one thousand and twenty-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 16128340641 cubic inches would be around 210.5 feet tall.

Recreational maths with 16128340641

• 16128340641 backwards is 14604382161
• The number of decimal digits it has is: 11
• The sum of 16128340641's digits is 36
• More coming soon!