421542540
421,542,540 is an even composite number composed of six prime numbers multiplied together.
421542540 is an even 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 421542540:
22 × 32 × 5 × 17 × 347 × 397
(2 × 2 × 3 × 3 × 5 × 17 × 347 × 397)See below for interesting mathematical facts about the number 421542540 from the Numbermatics database.
Names of 421542540
- Cardinal: 421542540 can be written as Four hundred twenty-one million, five hundred forty-two thousand, five hundred forty.
Scientific notation
- Scientific notation: 4.2154254 × 108
Factors of 421542540
Divisors of 421542540
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 347 397 510 612 694 765 794 1020 1041 1191 1388 1530 1588 1735 1985 2082 2382 3060 3123 3470 3573 3970 4164 4764 5205 5899 5955 6246 6749 6940 7146 7940 10410 11798 11910 12492 13498 14292 15615 17697 17865 20247 20820 23596 23820 26996 29495 31230 33745 35394 35730 40494 53091 58990 60741 62460 67490 70788 71460 80988 88485 101235 106182 117980 121482 134980 137759 176970 202470 212364 242964 265455 275518 303705 353940 404940 413277 530910 551036 607410 688795 826554 1061820 1214820 1239831 1377590 1653108 2066385 2341903 2479662 2755180 4132770 4683806 4959324 6199155 7025709 8265540 9367612 11709515 12398310 14051418 21077127 23419030 24796620 28102836 35128545 42154254 46838060 70257090 84308508 105385635 140514180 210771270 421542540
- Sum of all divisors σ(n): 1361217312
- Sum of proper divisors (its aliquot sum) s(n): 939674772
- 421542540 is an abundant number, because the sum of its proper divisors (939674772) is greater than itself. Its abundance is 518132232
Bases of 421542540
- Binary: 110010010000000111010100011002
- Hexadecimal: 0x19203A8C
- Base-36: 6YZ4B0
Squares and roots of 421542540
- 421542540 squared (4215425402) is 177698113029651600
- 421542540 cubed (4215425403) is 74907313919726430779064000
-
The
square root of 421542540 is 20531.5011628473 -
The
cube root of 421542540 is 749.8029348917
Scales and comparisons
How big is 421542540?- 421,542,540 seconds is equal to 13 years, 20 weeks, 6 days, 23 hours, 9 minutes.
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To count from 1 to 421,542,540 would take you about twenty 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 421542540 cubic inches would be around 62.5 feet tall.
Recreational maths with 421542540
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