21429168597225

Names of 21429168597225

• Cardinal: 21429168597225 can be written as Twenty-one trillion, four hundred twenty-nine billion, one hundred sixty-eight million, five hundred ninety-seven thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 2.1429168597225 × 10¹³

Factors of 21429168597225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7228

Divisors of 21429168597225

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 5 9 15 25 43 45 75 129 215 225 387 645 1075 1849 1935 3225 5547 7177 9245 9675 16641 21531 27735 35885 46225 64593 83205 107655 138675 179425 308611 322965 416025 538275 925833 1543055 1614825 2777499 4629165 7715275 13270273 13887495 23145825 39810819 51509329 66351365 69437475 119432457 154527987 199054095 257546645 331756825 463583961 597162285 772639935 995270475 1287733225 2214901147 2317919805 2985811425 3863199675 6644703441 11074505735 11589599025 19934110323 33223517205 55372528675 95240749321 99670551615 166117586025 285722247963 476203746605 498352758075 857166743889 1428611239815 2381018733025 4285833719445 7143056199075 21429168597225
• Sum of all divisors σ(n): 39300861343653
• Sum of proper divisors (its aliquot sum) s(n): 17871692746428
• 21429168597225 is a deficient number, because the sum of its proper divisors (17871692746428) is less than itself. Its deficiency is 3557475850797

Bases of 21429168597225

• Binary: 100110111110101011101111110110110100011101001₂
• Hexadecimal: 0x137D5DFB68E9
• Base-36: 7LGF9P4O9

Squares and roots of 21429168597225

• 21429168597225 squared (21429168597225²) is 459209266768294074277700625
• 21429168597225 cubed (21429168597225³) is 9840472798985845136795753857329755765625
• 21429168597225 is a perfect square number. Its square root is 4629165
• The cube root of 21429168597225 is 27775.9192281711

Scales and comparisons

• 21,429,168,597,225 seconds is equal to 681,381 years, 14 weeks, 2 days, 16 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,429,168,597,225 would take you about one million, seven hundred three thousand, four hundred fifty-three 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 21429168597225 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21429168597225

• 21429168597225 backwards is 52279586192412
• The number of decimal digits it has is: 14
• The sum of 21429168597225's digits is 63
• More coming soon!