21071709817613

Names of 21071709817613

• Cardinal: 21071709817613 can be written as Twenty-one trillion, seventy-one billion, seven hundred nine million, eight hundred seventeen thousand, six hundred thirteen.

Scientific notation

• Scientific notation: 2.1071709817613 × 10¹³

Factors of 21071709817613

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 114

Divisors of 21071709817613

• Number of divisors d(n): 126
• Complete list of divisors:
  1 7 13 41 49 53 91 169 287 371 533 637 689 1183 1681 2009 2173 2197 2597 3731 4823 6929 8281 8957 11767 15211 15379 21853 26117 28249 28561 33761 48503 62699 82369 89093 90077 106477 107653 116441 152971 197743 199927 284089 339521 367237 371293 438893 623651 630539 815087 1070797 1158209 1171001 1384201 1399489 1513733 1988623 2570659 2599051 3693157 4365557 4413773 4774081 4826809 5705609 8107463 8197007 10596131 13920361 15056717 15223013 17994613 18193357 19678529 25852099 33418567 33787663 48011041 56752241 57379049 62063053 74172917 105397019 106561091 137749703 180964693 195737321 197899169 233929969 236513641 255820877 336077287 434441371 624143533 737779133 745927637 806819689 964247921 1370161247 1385294183 1790746139 2352541009 2544585173 3041089597 4369004731 5647737823 8113865929 9591128729 9697059281 10488655957 12535222973 17812096211 30583033117 33079607249 39534164761 56797061503 73420591699 124684673477 231557250743 397579430521 430034894237 513944141893 1620900755201 3010244259659 21071709817613
• Sum of all divisors σ(n): 27731675271942
• Sum of proper divisors (its aliquot sum) s(n): 6659965454329
• 21071709817613 is a deficient number, because the sum of its proper divisors (6659965454329) is less than itself. Its deficiency is 14411744363284

Bases of 21071709817613

• Binary: 100110010101000100011110001110100101100001101₂
• Hexadecimal: 0x132A23C74B0D
• Base-36: 7GW7JYX3H

Squares and roots of 21071709817613

• 21071709817613 squared (21071709817613²) is 444016954637688089725017769
• 21071709817613 cubed (21071709817613³) is 9356196422225598191635536552538174165397
• The square root of 21071709817613 is 4590393.2094770487
• The cube root of 21071709817613 is 27620.6095704663

Scales and comparisons

• 21,071,709,817,613 seconds is equal to 670,015 years, 10 weeks, 7 hours, 6 minutes, 53 seconds.
• To count from 1 to 21,071,709,817,613 would take you about one million, six hundred seventy-five thousand and thirty-seven 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 21071709817613 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21071709817613

• 21071709817613 backwards is 31671890717012
• 21071709817613 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21071709817613's digits is 53
• More coming soon!