21021354147794

Names of 21021354147794

• Cardinal: 21021354147794 can be written as Twenty-one trillion, twenty-one billion, three hundred fifty-four million, one hundred forty-seven thousand, seven hundred ninety-four.

Scientific notation

• Scientific notation: 2.1021354147794 × 10¹³

Factors of 21021354147794

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 449961

Divisors of 21021354147794

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 13 14 22 26 49 77 91 98 143 154 182 286 539 637 1001 1078 1274 2002 3359 6718 7007 14014 23513 36949 43667 47026 73898 87334 164591 258643 305669 329182 446569 480337 517286 611338 893138 960674 1810501 2139683 3125983 3362359 3621002 4279366 4912259 5805397 6251966 6724718 9824518 11610794 21881881 23536513 34385813 40637779 43763762 47073026 63859367 68771626 81275558 127718734 240700691 284464453 447015569 481401382 568928906 894031138 1500025271 3000050542 3129108983 6258217966 10500176897 16500277981 19500328523 21000353794 33000555962 39000657046 73501238279 115501945867 136502299661 147002476558 214503613753 231003891734 273004599322 429007227506 808513621069 955516097627 1501525296271 1617027242138 1911032195254 3003050592542 10510677073897 21021354147794
• Sum of all divisors σ(n): 43105651545600
• Sum of proper divisors (its aliquot sum) s(n): 22084297397806
• 21021354147794 is an abundant number, because the sum of its proper divisors (22084297397806) is greater than itself. Its abundance is 1062943250012

Bases of 21021354147794

• Binary: 100110001111001101010010110001011111111010010₂
• Hexadecimal: 0x131E6A58BFD2
• Base-36: 7G92RI5LE

Squares and roots of 21021354147794

• 21021354147794 squared (21021354147794²) is 441897330206976007995066436
• 21021354147794 cubed (21021354147794³) is 9289280275245509954180933930297192842184
• The square root of 21021354147794 is 4584905.0314912739
• The cube root of 21021354147794 is 27598.5900997713

Scales and comparisons

• 21,021,354,147,794 seconds is equal to 668,414 years, 2 weeks, 1 hour, 3 minutes, 14 seconds.
• To count from 1 to 21,021,354,147,794 would take you about one million, six hundred seventy-one thousand and thirty-five 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 21021354147794 cubic inches would be around 2299.9 feet tall.

Recreational maths with 21021354147794

• 21021354147794 backwards is 49774145312012
• The number of decimal digits it has is: 14
• The sum of 21021354147794's digits is 50
• More coming soon!