21335731389
21,335,731,389 is an odd composite number composed of six prime numbers multiplied together.
21335731389 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21335731389:
32 × 7 × 192 × 71 × 73 × 181
(3 × 3 × 7 × 19 × 19 × 71 × 73 × 181)See below for interesting mathematical facts about the number 21335731389 from the Numbermatics database.
Names of 21335731389
- Cardinal: 21335731389 can be written as Twenty-one billion, three hundred thirty-five million, seven hundred thirty-one thousand, three hundred eighty-nine.
Scientific notation
- Scientific notation: 2.1335731389 × 1010
Factors of 21335731389
Divisors of 21335731389
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 7 9 19 21 57 63 71 73 133 171 181 213 219 361 399 497 511 543 639 657 1083 1197 1267 1349 1387 1491 1533 1629 2527 3249 3439 3801 4047 4161 4473 4599 5183 7581 9443 9709 10317 11403 12141 12483 12851 13213 15549 22743 24073 25631 26353 28329 29127 30951 36281 38553 39639 46647 65341 72219 76893 79059 84987 87381 89957 92491 98477 108843 115659 118917 179417 184471 196023 216657 230679 237177 244169 251047 269871 277473 295431 326529 457387 538251 553413 588069 689339 732507 753141 809613 832419 886293 938123 1372161 1614753 1660239 1709183 1757329 1871063 2068017 2197521 2259423 2814369 4116483 4639211 4769893 5127549 5271987 5613189 6204051 6566861 8443107 13097441 13917633 14309679 15382647 15815961 16839567 17824337 19700583 32474477 33389251 39292323 41752899 42929037 53473011 59101749 97423431 100167753 117876969 124770359 160419033 292270293 300503259 338662403 374311077 1015987209 1122933231 2370636821 3047961627 7111910463 21335731389
- Sum of all divisors σ(n): 38423234304
- Sum of proper divisors (its aliquot sum) s(n): 17087502915
- 21335731389 is a deficient number, because the sum of its proper divisors (17087502915) is less than itself. Its deficiency is 4248228474
Bases of 21335731389
- Binary: 100111101111011010101101100101111012
- Hexadecimal: 0x4F7B56CBD
- Base-36: 9SUQRP9
Squares and roots of 21335731389
- 21335731389 squared (213357313892) is 455213433903559869321
- 21335731389 cubed (213357313893) is 9712311550430659102712797816869
-
The
square root of 21335731389 is 146067.5576197535 -
The
cube root of 21335731389 is 2773.5490134423
Scales and comparisons
How big is 21335731389?- 21,335,731,389 seconds is equal to 678 years, 21 weeks, 2 days, 8 hours, 3 minutes, 9 seconds.
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To count from 1 to 21,335,731,389 would take you about one thousand, three hundred fifty-six 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 21335731389 cubic inches would be around 231.1 feet tall.
Recreational maths with 21335731389
- 21335731389 backwards is 98313753312
- The number of decimal digits it has is: 11
- The sum of 21335731389's digits is 45
- More coming soon!
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The information we have on file for 21335731389 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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