21378631401
21,378,631,401 is an odd composite number composed of four prime numbers multiplied together.
21378631401 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21378631401:
311 × 17 × 31 × 229
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 17 × 31 × 229)See below for interesting mathematical facts about the number 21378631401 from the Numbermatics database.
Names of 21378631401
- Cardinal: 21378631401 can be written as Twenty-one billion, three hundred seventy-eight million, six hundred thirty-one thousand, four hundred one.
Scientific notation
- Scientific notation: 2.1378631401 × 1010
Factors of 21378631401
Divisors of 21378631401
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 9 17 27 31 51 81 93 153 229 243 279 459 527 687 729 837 1377 1581 2061 2187 2511 3893 4131 4743 6183 6561 7099 7533 11679 12393 14229 18549 19683 21297 22599 35037 37179 42687 55647 59049 63891 67797 105111 111537 120683 128061 166941 177147 191673 203391 315333 334611 362049 384183 500823 575019 610173 945999 1003833 1086147 1152549 1502469 1725057 1830519 2837997 3011499 3258441 3457647 4507407 5175171 5491557 8513991 9775323 10372941 13522221 15525513 25541973 29325969 31118823 40566663 46576539 76625919 87977907 93356469 139729617 229877757 263933721 419188851 689633271 791801163 1257566553 2375403489 7126210467 21378631401
- Sum of all divisors σ(n): 35202585600
- Sum of proper divisors (its aliquot sum) s(n): 13823954199
- 21378631401 is a deficient number, because the sum of its proper divisors (13823954199) is less than itself. Its deficiency is 7554677202
Bases of 21378631401
- Binary: 100111110100100010000000110111010012
- Hexadecimal: 0x4FA4406E9
- Base-36: 9TKA9K9
Squares and roots of 21378631401
- 21378631401 squared (213786314012) is 457045880579823222801
- 21378631401 cubed (213786314013) is 9771015414261504838002477774201
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The
square root of 21378631401 is 146214.3337740865 -
The
cube root of 21378631401 is 2775.4067050359
Scales and comparisons
How big is 21378631401?- 21,378,631,401 seconds is equal to 679 years, 40 weeks, 1 day, 20 hours, 43 minutes, 21 seconds.
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To count from 1 to 21,378,631,401 would take you about one thousand, three hundred fifty-nine 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 21378631401 cubic inches would be around 231.3 feet tall.
Recreational maths with 21378631401
- 21378631401 backwards is 10413687312
- The number of decimal digits it has is: 11
- The sum of 21378631401's digits is 36
- More coming soon!
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Keywords: Divisors of 21378631401, math, Factors of 21378631401, curriculum, school, college, exams, university, Prime factorization of 21378631401, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred seventy-eight million, six hundred thirty-one thousand, four hundred one.