21209537349
21,209,537,349 is an odd composite number composed of six prime numbers multiplied together.
21209537349 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21209537349:
32 × 72 × 11 × 132 × 41 × 631
(3 × 3 × 7 × 7 × 11 × 13 × 13 × 41 × 631)See below for interesting mathematical facts about the number 21209537349 from the Numbermatics database.
Names of 21209537349
- Cardinal: 21209537349 can be written as Twenty-one billion, two hundred nine million, five hundred thirty-seven thousand, three hundred forty-nine.
Scientific notation
- Scientific notation: 2.1209537349 × 1010
Factors of 21209537349
Divisors of 21209537349
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 9 11 13 21 33 39 41 49 63 77 91 99 117 123 143 147 169 231 273 287 369 429 441 451 507 533 539 631 637 693 819 861 1001 1183 1287 1353 1521 1599 1617 1859 1893 1911 2009 2583 3003 3157 3549 3731 4059 4417 4797 4851 5577 5679 5733 5863 6027 6929 6941 7007 8203 8281 9009 9471 10647 11193 13013 13251 16731 17589 18081 20787 20823 21021 22099 24609 24843 25871 26117 28413 30919 33579 39039 39753 41041 48503 48587 52767 57421 62361 62469 63063 66297 73827 74529 76219 77613 78351 90233 91091 92757 106639 117117 123123 145509 145761 172263 181097 198891 228657 232839 235053 270699 273273 278271 284581 287287 319917 336323 339521 340109 369369 401947 436527 437283 516789 533533 543291 631631 685971 746473 812097 819819 853743 861861 959751 1008969 1018563 1020327 1173029 1205841 1267679 1600599 1629873 1894893 1992067 2239419 2354261 2561229 2585583 3026907 3055689 3060981 3519087 3617523 3699553 3734731 3803037 4372199 4421417 4801797 5225311 5684679 5976201 6718257 7062783 8211203 10557261 11098659 11204193 11409111 13116597 13264251 13944469 15675933 16479827 17928603 21188349 24633609 25896871 30605393 33295977 33612579 39349791 39792753 41833407 47027799 48094189 49439481 57478421 73900827 77690613 91816179 125500221 144282567 148318443 172435263 181278097 214237751 233071839 275448537 336659323 432847701 517305789 543834291 642713253 1009977969 1631502873 1928139759 2356615261 3029933907 7069845783 21209537349
- Sum of all divisors σ(n): 43193352384
- Sum of proper divisors (its aliquot sum) s(n): 21983815035
- 21209537349 is an abundant number, because the sum of its proper divisors (21983815035) is greater than itself. Its abundance is 774277686
Bases of 21209537349
- Binary: 100111100000010111111011011010001012
- Hexadecimal: 0x4F02FDB45
- Base-36: 9QRLZR9
Squares and roots of 21209537349
- 21209537349 squared (212095373492) is 449844474558625947801
- 21209537349 cubed (212095373493) is 9540993184392457330005833919549
-
The
square root of 21209537349 is 145634.9454938615 -
The
cube root of 21209537349 is 2768.0699779555
Scales and comparisons
How big is 21209537349?- 21,209,537,349 seconds is equal to 674 years, 20 weeks, 4 days, 18 hours, 9 minutes, 9 seconds.
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To count from 1 to 21,209,537,349 would take you about one thousand, three hundred forty-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 21209537349 cubic inches would be around 230.7 feet tall.
Recreational maths with 21209537349
- 21209537349 backwards is 94373590212
- The number of decimal digits it has is: 11
- The sum of 21209537349's digits is 45
- More coming soon!
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