21339247420971

Names of 21339247420971

• Cardinal: 21339247420971 can be written as Twenty-one trillion, three hundred thirty-nine billion, two hundred forty-seven million, four hundred twenty thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 2.1339247420971 × 10¹³

Factors of 21339247420971

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3932

Divisors of 21339247420971

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 27 37 109 111 181 327 331 333 543 981 993 999 1629 2943 2979 3271 4033 4887 6697 8937 9813 12099 12247 19729 20091 29439 36079 36297 36741 59187 59911 60273 88317 108237 108891 110223 121027 177561 179733 180819 324711 330669 356539 363081 532683 539199 592051 729973 974133 1069617 1082701 1089243 1334923 1617597 1776153 2189919 2216707 3208851 3248103 3267729 4004769 5328459 6530299 6569757 6650121 9626553 9744309 12014307 13191943 15985377 19590897 19709271 19950363 21905887 29232927 36042921 39575829 40059937 58772691 59851089 64533559 65717661 118014409 118727487 120179811 176318073 193600677 195968881 197152983 241621063 354043227 356182461 360539433 580802031 587906643 591458949 724863189 1062129681 1081618299 1742406093 1763719929 2174589567 2387741683 3186389043 4366533133 5291159787 6523768701 7163225049 7250848597 13099599399 21360608029 21489675147 21752545791 39298798197 64081824087 64469025441 65257637373 117896394591 192245472261 195772912119 576736416783 790342497073 2371027491219 7113082473657 21339247420971
• Sum of all divisors σ(n): 33056665241600
• Sum of proper divisors (its aliquot sum) s(n): 11717417820629
• 21339247420971 is a deficient number, because the sum of its proper divisors (11717417820629) is less than itself. Its deficiency is 9621829600342

Bases of 21339247420971

• Binary: 100110110100001101110010000110010011000101011₂
• Hexadecimal: 0x13686E43262B
• Base-36: 7KB44Y90R

Squares and roots of 21339247420971

• 21339247420971 squared (21339247420971²) is 455363480493417474890582841
• 21339247420971 cubed (21339247420971³) is 9717113976723537117600893040224276158611
• The square root of 21339247420971 is 4619442.3279191397
• The cube root of 21339247420971 is 27737.0136118209

Scales and comparisons

• 21,339,247,420,971 seconds is equal to 678,522 years, 3 weeks, 1 day, 8 hours, 2 minutes, 51 seconds.
• To count from 1 to 21,339,247,420,971 would take you about one million, six hundred ninety-six thousand, three hundred 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 21339247420971 cubic inches would be around 2311.4 feet tall.

Recreational maths with 21339247420971

• 21339247420971 backwards is 17902474293312
• The number of decimal digits it has is: 14
• The sum of 21339247420971's digits is 54
• More coming soon!