21090535389804

Names of 21090535389804

• Cardinal: 21090535389804 can be written as Twenty-one trillion, ninety billion, five hundred thirty-five million, three hundred eighty-nine thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1090535389804 × 10¹³

Factors of 21090535389804

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3334999324

Divisors of 21090535389804

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 372 527 1054 1581 2108 3162 6324 3334999271 6669998542 10004997813 13339997084 20009995626 40019991252 56694987607 103384977401 113389975214 170084962821 206769954802 226779950428 310154932203 340169925642 413539909604 620309864406 680339851284 1240619728812 1757544615817 3515089231634 5272633847451 7030178463268 10545267694902 21090535389804
• Sum of all divisors σ(n): 53786868258816
• Sum of proper divisors (its aliquot sum) s(n): 32696332869012
• 21090535389804 is an abundant number, because the sum of its proper divisors (32696332869012) is greater than itself. Its abundance is 11605797479208

Bases of 21090535389804

• Binary: 100110010111010000101110111101011101001101100₂
• Hexadecimal: 0x132E85DEBA6C
• Base-36: 7H4UW89KC

Squares and roots of 21090535389804

• 21090535389804 squared (21090535389804²) is 444810683028574962227158416
• 21090535389804 cubed (21090535389804³) is 9381295452177049728246197099187819190464
• The square root of 21090535389804 is 4592443.2919529883
• The cube root of 21090535389804 is 27628.8325862485

Scales and comparisons

• 21,090,535,389,804 seconds is equal to 670,613 years, 40 weeks, 6 days, 20 hours, 43 minutes, 24 seconds.
• To count from 1 to 21,090,535,389,804 would take you about one million, six hundred seventy-six thousand, five hundred thirty-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 21090535389804 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090535389804

• 21090535389804 backwards is 40898353509012
• The number of decimal digits it has is: 14
• The sum of 21090535389804's digits is 57
• More coming soon!