42709128
42,709,128 is an even composite number composed of five prime numbers multiplied together.
42709128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 42709128:
23 × 3 × 7 × 113 × 191
(2 × 2 × 2 × 3 × 7 × 11 × 11 × 11 × 191)See below for interesting mathematical facts about the number 42709128 from the Numbermatics database.
Names of 42709128
- Cardinal: 42709128 can be written as Forty-two million, seven hundred nine thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 4.2709128 × 107
Factors of 42709128
Divisors of 42709128
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 121 132 154 168 191 231 242 264 308 363 382 462 484 573 616 726 764 847 924 968 1146 1331 1337 1452 1528 1694 1848 2101 2292 2541 2662 2674 2904 3388 3993 4011 4202 4584 5082 5324 5348 6303 6776 7986 8022 8404 9317 10164 10648 10696 12606 14707 15972 16044 16808 18634 20328 23111 25212 27951 29414 31944 32088 37268 44121 46222 50424 55902 58828 69333 74536 88242 92444 111804 117656 138666 161777 176484 184888 223608 254221 277332 323554 352968 485331 508442 554664 647108 762663 970662 1016884 1294216 1525326 1779547 1941324 2033768 3050652 3559094 3882648 5338641 6101304 7118188 10677282 14236376 21354564 42709128
- Sum of all divisors σ(n): 134922240
- Sum of proper divisors (its aliquot sum) s(n): 92213112
- 42709128 is an abundant number, because the sum of its proper divisors (92213112) is greater than itself. Its abundance is 49503984
Bases of 42709128
- Binary: 101000101110110000100010002
- Hexadecimal: 0x28BB088
- Base-36: PFEKO
Squares and roots of 42709128
- 42709128 squared (427091282) is 1824069614520384
- 42709128 cubed (427091283) is 77904422647461738865152
-
The
square root of 42709128 is 6535.2221079317 -
The
cube root of 42709128 is 349.5480643105
Scales and comparisons
How big is 42709128?- 42,709,128 seconds is equal to 1 year, 18 weeks, 4 days, 7 hours, 38 minutes, 48 seconds.
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To count from 1 to 42,709,128 would take you about two 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 42709128 cubic inches would be around 29.1 feet tall.
Recreational maths with 42709128
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