13145681270646

Names of 13145681270646

• Cardinal: 13145681270646 can be written as Thirteen trillion, one hundred forty-five billion, six hundred eighty-one million, two hundred seventy thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 1.3145681270646 × 10¹³

Factors of 13145681270646

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 43489

Divisors of 13145681270646

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 6 9 18 27 43 54 81 86 129 162 258 387 774 1161 2322 3483 6966 43441 86882 130323 260646 390969 781938 1172907 1867963 2345814 3518721 3735926 5603889 7037442 11207778 16811667 33623334 50435001 100870002 151305003 302610006 1887120481 3774240962 5661361443 11322722886 16984084329 33968168658 50952252987 81146180683 101904505974 152856758961 162292361366 243438542049 305713517922 486877084098 730315626147 1460631252294 2190946878441 4381893756882 6572840635323 13145681270646
• Sum of all divisors σ(n): 30141782178156
• Sum of proper divisors (its aliquot sum) s(n): 16996100907510
• 13145681270646 is an abundant number, because the sum of its proper divisors (16996100907510) is greater than itself. Its abundance is 3850419636864

Bases of 13145681270646

• Binary: 10111111010010110111101010011001011101110110₂
• Hexadecimal: 0xBF4B7A99776
• Base-36: 4NR1J7TDI

Squares and roots of 13145681270646

• 13145681270646 squared (13145681270646²) is 172808936069413033101257316
• 13145681270646 cubed (13145681270646³) is 2271691194287944901833929131775083546136
• The square root of 13145681270646 is 3625697.3495654599
• The cube root of 13145681270646 is 23600.8529751589

Scales and comparisons

• 13,145,681,270,646 seconds is equal to 417,992 years, 18 hours, 44 minutes, 6 seconds.
• To count from 1 to 13,145,681,270,646 would take you about one million, forty-four thousand, nine hundred eighty 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 13145681270646 cubic inches would be around 1966.7 feet tall.

Recreational maths with 13145681270646

• 13145681270646 backwards is 64607218654131
• 13145681270646 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13145681270646's digits is 54
• More coming soon!