42121557387
42,121,557,387 is an odd composite number composed of five prime numbers multiplied together.
42121557387 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 42121557387:
34 × 7 × 13 × 19 × 673
(3 × 3 × 3 × 3 × 7 × 13 × 19 × 67 × 67 × 67)See below for interesting mathematical facts about the number 42121557387 from the Numbermatics database.
Names of 42121557387
- Cardinal: 42121557387 can be written as Forty-two billion, one hundred twenty-one million, five hundred fifty-seven thousand, three hundred eighty-seven.
Scientific notation
- Scientific notation: 4.2121557387 × 1010
Factors of 42121557387
Divisors of 42121557387
- Number of divisors d(n): 160
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Complete list of divisors:
1 3 7 9 13 19 21 27 39 57 63 67 81 91 117 133 171 189 201 247 273 351 399 469 513 567 603 741 819 871 1053 1197 1273 1407 1539 1729 1809 2223 2457 2613 3591 3819 4221 4489 5187 5427 6097 6669 7371 7839 8911 10773 11457 12663 13467 15561 16549 18291 20007 23517 26733 31423 34371 37989 40401 46683 49647 54873 58357 70551 80199 85291 94269 103113 115843 121203 140049 148941 164619 175071 240597 255873 282807 300763 347529 363609 408499 446823 493857 525213 597037 721791 767619 848421 902289 1042587 1108783 1225497 1340469 1575639 1791111 2105341 2302857 2545263 2706867 3127761 3326349 3676491 3909919 4726917 5373333 5714497 6316023 6908571 7761481 8120601 9383283 9979047 11029473 11729757 16119999 17143491 18948069 23284443 24361803 27369433 29937141 33088419 35189271 40001479 48359997 51430473 56844207 69853329 74288461 82108299 89811423 105567813 120004437 154291419 170532621 209559987 222865383 246324897 316703439 360013311 462874257 520019227 628679961 668596149 738974691 1080039933 1560057681 2005788447 2216924073 3240119799 4680173043 6017365341 14040519129 42121557387
- Sum of all divisors σ(n): 82753932800
- Sum of proper divisors (its aliquot sum) s(n): 40632375413
- 42121557387 is a deficient number, because the sum of its proper divisors (40632375413) is less than itself. Its deficiency is 1489181974
Bases of 42121557387
- Binary: 1001110011101010001111110101100010112
- Hexadecimal: 0x9CEA3F58B
- Base-36: JCM35OR
Squares and roots of 42121557387
- 42121557387 squared (421215573872) is 1774225596706334267769
- 42121557387 cubed (421215573873) is 74733145289150177046236557959603
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The
square root of 42121557387 is 205235.3707015435 -
The
cube root of 42121557387 is 3479.3768808525
Scales and comparisons
How big is 42121557387?- 42,121,557,387 seconds is equal to 1,339 years, 17 weeks, 3 days, 36 minutes, 27 seconds.
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To count from 1 to 42,121,557,387 would take you about two thousand, six 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 42121557387 cubic inches would be around 289.9 feet tall.
Recreational maths with 42121557387
- 42121557387 backwards is 78375512124
- The number of decimal digits it has is: 11
- The sum of 42121557387's digits is 45
- More coming soon!
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