21379305215412

Names of 21379305215412

• Cardinal: 21379305215412 can be written as Twenty-one trillion, three hundred seventy-nine billion, three hundred five million, two hundred fifteen thousand, four hundred twelve.

Scientific notation

• Scientific notation: 2.1379305215412 × 10¹³

Factors of 21379305215412

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 799

Divisors of 21379305215412

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 757 1332 1369 1514 2271 2738 3028 4107 4542 5476 6813 8214 9084 12321 13626 16428 24642 27252 28009 49284 56018 84027 112036 168054 252081 336108 504162 573049 1008324 1036333 1146098 1719147 2072666 2292196 3108999 3438294 4145332 5157441 6217998 6876588 9326997 10314882 12435996 18653994 20629764 21202813 37307988 42405626 63608439 84811252 127216878 190825317 254433756 381650634 433798093 763301268 784504081 867596186 1301394279 1569008162 1735192372 2353512243 2602788558 3138016324 3904182837 4707024486 5205577116 7060536729 7808365674 9414048972 14121073458 15616731348 16050529441 28242146916 32101058882 48151588323 64202117764 96303176646 144454764969 192606353292 288909529938 577819059876 593869589317 1187739178634 1781608767951 2375478357268 3563217535902 5344826303853 7126435071804 10689652607706 21379305215412
• Sum of all divisors σ(n): 55615674960300
• Sum of proper divisors (its aliquot sum) s(n): 34236369744888
• 21379305215412 is an abundant number, because the sum of its proper divisors (34236369744888) is greater than itself. Its abundance is 12857064529476

Bases of 21379305215412

• Binary: 100110111000111000001111001001001010110110100₂
• Hexadecimal: 0x1371C1E495B4
• Base-36: 7KTIMBT10

Squares and roots of 21379305215412

• 21379305215412 squared (21379305215412²) is 457074691493742743722329744
• 21379305215412 cubed (21379305215412³) is 9771939335685005153626634818262414814528
• The square root of 21379305215412 is 4623776.0775595525
• The cube root of 21379305215412 is 27754.3586326963

Scales and comparisons

• 21,379,305,215,412 seconds is equal to 679,795 years, 40 weeks, 2 days, 5 hours, 10 minutes, 12 seconds.
• To count from 1 to 21,379,305,215,412 would take you about one million, six hundred ninety-nine thousand, four hundred eighty-nine 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 21379305215412 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21379305215412

• 21379305215412 backwards is 21451250397312
• The number of decimal digits it has is: 14
• The sum of 21379305215412's digits is 45
• More coming soon!