21239438325
21,239,438,325 is an odd composite number composed of seven prime numbers multiplied together.
21239438325 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21239438325:
3 × 52 × 72 × 17 × 19 × 29 × 617
(3 × 5 × 5 × 7 × 7 × 17 × 19 × 29 × 617)See below for interesting mathematical facts about the number 21239438325 from the Numbermatics database.
Names of 21239438325
- Cardinal: 21239438325 can be written as Twenty-one billion, two hundred thirty-nine million, four hundred thirty-eight thousand, three hundred twenty-five.
Scientific notation
- Scientific notation: 2.1239438325 × 1010
Factors of 21239438325
Divisors of 21239438325
- Number of divisors d(n): 288
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Complete list of divisors:
1 3 5 7 15 17 19 21 25 29 35 49 51 57 75 85 87 95 105 119 133 145 147 175 203 245 255 285 323 357 399 425 435 475 493 525 551 595 609 617 665 725 735 833 931 969 1015 1225 1275 1421 1425 1479 1615 1653 1785 1851 1995 2175 2261 2465 2499 2755 2793 2975 3045 3085 3325 3451 3675 3857 4165 4263 4319 4655 4845 5075 6783 7105 7395 8075 8265 8925 9255 9367 9975 10353 10489 11305 11571 11723 12325 12495 12957 13775 13965 15225 15425 15827 17255 17893 19285 20825 21315 21595 23275 24157 24225 26999 28101 30233 31467 33915 35169 35525 36975 41325 46275 46835 47481 51765 52445 53679 56525 57855 58615 62475 64785 65569 69825 72471 73423 79135 80997 82061 86275 89465 90699 96425 106575 107975 120785 125251 134995 140505 151165 157335 169575 175845 196707 199291 220269 234175 237405 246183 258825 262225 268395 289275 293075 304181 323925 327845 339967 362355 367115 375753 395675 404985 410305 447325 453495 458983 513961 574427 597873 603925 626255 674975 702525 755825 786675 876757 879225 912543 983535 996455 1019901 1101345 1187025 1230915 1341975 1376949 1395037 1520905 1541883 1639225 1699835 1723281 1811775 1835575 1878765 2024925 2051525 2129267 2267475 2294915 2379769 2569805 2630271 2872135 2989365 3131275 4185111 4383785 4562715 4917675 4982275 5099505 5506725 5779439 6154575 6387801 6884745 6975185 7139307 7604525 7709415 8499175 8616405 9393825 9765259 10646335 11474575 11898845 12849025 13151355 14360675 14904869 14946825 16658383 17338317 20925555 21918925 22813575 25497525 28897195 29295777 31939005 34423725 34875925 35696535 38547075 40456073 43082025 44714607 48826295 49975149 53231675 59494225 65756775 74524345 83291915 86691585 104627775 121368219 144485975 146478885 159695025 178482675 202280365 223573035 244131475 249875745 283192511 372621725 416459575 433457925 606841095 732394425 849577533 1011401825 1117865175 1249378725 1415962555 3034205475 4247887665 7079812775 21239438325
- Sum of all divisors σ(n): 47174659200
- Sum of proper divisors (its aliquot sum) s(n): 25935220875
- 21239438325 is an abundant number, because the sum of its proper divisors (25935220875) is greater than itself. Its abundance is 4695782550
Bases of 21239438325
- Binary: 100111100011111100000011011111101012
- Hexadecimal: 0x4F1F81BF5
- Base-36: 9R9EVHX
Squares and roots of 21239438325
- 21239438325 squared (212394383252) is 451113740361478805625
- 21239438325 cubed (212394383253) is 9581402465967692297866850578125
-
The
square root of 21239438325 is 145737.5666223367 -
The
cube root of 21239438325 is 2769.3701655063
Scales and comparisons
How big is 21239438325?- 21,239,438,325 seconds is equal to 675 years, 18 weeks, 19 hours, 58 minutes, 45 seconds.
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To count from 1 to 21,239,438,325 would take you about one thousand, three hundred fifty 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 21239438325 cubic inches would be around 230.8 feet tall.
Recreational maths with 21239438325
- 21239438325 backwards is 52383493212
- The number of decimal digits it has is: 11
- The sum of 21239438325's digits is 42
- More coming soon!
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