21290423895472

Names of 21290423895472

• Cardinal: 21290423895472 can be written as Twenty-one trillion, two hundred ninety billion, four hundred twenty-three million, eight hundred ninety-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1290423895472 × 10¹³

Factors of 21290423895472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4136

Divisors of 21290423895472

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 43 86 172 344 688 1849 3698 4091 7396 8182 14792 16364 29584 32728 65456 79507 159014 175913 318028 351826 636056 703652 1272112 1407304 2814608 7564259 15128518 16736281 30257036 33472562 60514072 66945124 121028144 133890248 267780496 325263137 650526274 719660083 1301052548 1439320166 2602105096 2878640332 5204210192 5757280664 11514561328 30945383569 61890767138 123781534276 247563068552 495126137104 1330651493467 2661302986934 5322605973868 10645211947736 21290423895472
• Sum of all divisors σ(n): 42242657228200
• Sum of proper divisors (its aliquot sum) s(n): 20952233332728
• 21290423895472 is a deficient number, because the sum of its proper divisors (20952233332728) is less than itself. Its deficiency is 338190562744

Bases of 21290423895472

• Binary: 100110101110100010000001001110100010110110000₂
• Hexadecimal: 0x135D102745B0
• Base-36: 7JOOOONN4

Squares and roots of 21290423895472

• 21290423895472 squared (21290423895472²) is 453282149648885131182102784
• 21290423895472 cubed (21290423895472³) is 9650569110275539031663924490737576194048
• The square root of 21290423895472 is 4614154.7325021513
• The cube root of 21290423895472 is 27715.8436539071

Scales and comparisons

• 21,290,423,895,472 seconds is equal to 676,969 years, 32 weeks, 3 days, 5 hours, 37 minutes, 52 seconds.
• To count from 1 to 21,290,423,895,472 would take you about one million, six hundred ninety-two thousand, four hundred twenty-four 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 21290423895472 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21290423895472

• 21290423895472 backwards is 27459832409212
• The number of decimal digits it has is: 14
• The sum of 21290423895472's digits is 58
• More coming soon!