21684387123
21,684,387,123 is an odd composite number composed of four prime numbers multiplied together.
21684387123 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21684387123:
313 × 7 × 29 × 67
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 29 × 67)See below for interesting mathematical facts about the number 21684387123 from the Numbermatics database.
Names of 21684387123
- Cardinal: 21684387123 can be written as Twenty-one billion, six hundred eighty-four million, three hundred eighty-seven thousand, one hundred twenty-three.
Scientific notation
- Scientific notation: 2.1684387123 × 1010
Factors of 21684387123
Divisors of 21684387123
- Number of divisors d(n): 112
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Complete list of divisors:
1 3 7 9 21 27 29 63 67 81 87 189 201 203 243 261 469 567 603 609 729 783 1407 1701 1809 1827 1943 2187 2349 4221 5103 5427 5481 5829 6561 7047 12663 13601 15309 16281 16443 17487 19683 21141 37989 40803 45927 48843 49329 52461 59049 63423 113967 122409 137781 146529 147987 157383 177147 190269 341901 367227 413343 439587 443961 472149 531441 570807 1025703 1101681 1240029 1318761 1331883 1416447 1594323 1712421 3077109 3305043 3720087 3956283 3995649 4249341 5137263 9231327 9915129 11160261 11868849 11986947 12748023 15411789 27693981 29745387 35606547 35960841 38244069 46235367 83081943 89236161 106819641 107882523 114732207 249245829 267708483 323647569 344196621 747737487 803125449 1032589863 2409376347 3097769589 7228129041 21684387123
- Sum of all divisors σ(n): 39029018880
- Sum of proper divisors (its aliquot sum) s(n): 17344631757
- 21684387123 is a deficient number, because the sum of its proper divisors (17344631757) is less than itself. Its deficiency is 4339755366
Bases of 21684387123
- Binary: 101000011000111110101111101001100112
- Hexadecimal: 0x50C7D7D33
- Base-36: 9YMBO6R
Squares and roots of 21684387123
- 21684387123 squared (216843871232) is 470212644900128217129
- 21684387123 cubed (216843871233) is 10196273022144111932561035629867
-
The
square root of 21684387123 is 147256.1955334987 -
The
cube root of 21684387123 is 2788.5753496615
Scales and comparisons
How big is 21684387123?- 21,684,387,123 seconds is equal to 689 years, 25 weeks, 5 days, 16 hours, 52 minutes, 3 seconds.
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To count from 1 to 21,684,387,123 would take you about one thousand, three hundred seventy-eight 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 21684387123 cubic inches would be around 232.4 feet tall.
Recreational maths with 21684387123
- 21684387123 backwards is 32178348612
- The number of decimal digits it has is: 11
- The sum of 21684387123's digits is 45
- More coming soon!
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The information we have on file for 21684387123 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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