21355579556736

Names of 21355579556736

• Cardinal: 21355579556736 can be written as Twenty-one trillion, three hundred fifty-five billion, five hundred seventy-nine million, five hundred fifty-six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1355579556736 × 10¹³

Factors of 21355579556736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 123124

Divisors of 21355579556736

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 353 384 706 1059 1297 1412 2118 2594 2824 3891 4236 5188 5648 7782 8472 10376 11296 15564 16944 20752 22592 31128 33888 41504 45184 62256 67776 83008 121469 124512 135552 166016 242938 249024 364407 457841 485876 498048 728814 915682 971752 1373523 1457628 1831364 1943504 2747046 2915256 3662728 3887008 5494092 5830512 7325456 7774016 10988184 11661024 14650912 15548032 21976368 23322048 29301824 42878557 43952736 46644096 58603648 85757114 87905472 128635671 157545293 171514228 175810944 257271342 315090586 343028456 472635879 514542684 630181172 686056912 945271758 1029085368 1260362344 1372113824 1890543516 2058170736 2520724688 2744227648 3781087032 4116341472 5041449376 5488455296 7562174064 8232682944 10082898752 15124348128 16465365888 20165797504 30248696256 55613488429 60497392512 111226976858 166840465287 222453953716 333680930574 444907907432 667361861148 889815814864 1334723722296 1779631629728 2669447444592 3559263259456 5338894889184 7118526518912 10677789778368 21355579556736
• Sum of all divisors σ(n): 56930783104800
• Sum of proper divisors (its aliquot sum) s(n): 35575203548064
• 21355579556736 is an abundant number, because the sum of its proper divisors (35575203548064) is greater than itself. Its abundance is 14219623991328

Bases of 21355579556736

• Binary: 100110110110000111011101110111100001110000000₂
• Hexadecimal: 0x136C3BBBC380
• Base-36: 7KIM8OLMO

Squares and roots of 21355579556736

• 21355579556736 squared (21355579556736²) is 456060778204080570242973696
• 21355579556736 cubed (21355579556736³) is 9739442231644174154415874314642187616256
• The square root of 21355579556736 is 4621209.7503506589
• The cube root of 21355579556736 is 27744.0880436125

Scales and comparisons

• 21,355,579,556,736 seconds is equal to 679,041 years, 19 weeks, 2 days, 16 hours, 25 minutes, 36 seconds.
• To count from 1 to 21,355,579,556,736 would take you about one million, six hundred ninety-seven thousand, six hundred 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 21355579556736 cubic inches would be around 2312 feet tall.

Recreational maths with 21355579556736

• 21355579556736 backwards is 63765597555312
• The number of decimal digits it has is: 14
• The sum of 21355579556736's digits is 69
• More coming soon!