42728730
42,728,730 is an even composite number composed of six prime numbers multiplied together.
What does the number 42728730 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 96 divisors.
42728730 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 42728730:
2 × 3 × 5 × 112 × 79 × 149
(2 × 3 × 5 × 11 × 11 × 79 × 149)See below for interesting mathematical facts about the number 42728730 from the Numbermatics database.
Names of 42728730
- Cardinal: 42728730 can be written as Forty-two million, seven hundred twenty-eight thousand, seven hundred thirty.
Scientific notation
- Scientific notation: 4.272873 × 107
Factors of 42728730
Divisors of 42728730
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 33 55 66 79 110 121 149 158 165 237 242 298 330 363 395 447 474 605 726 745 790 869 894 1185 1210 1490 1639 1738 1815 2235 2370 2607 3278 3630 4345 4470 4917 5214 8195 8690 9559 9834 11771 13035 16390 18029 19118 23542 24585 26070 28677 35313 36058 47795 49170 54087 57354 58855 70626 90145 95590 108174 117710 129481 143385 176565 180290 258962 270435 286770 353130 388443 540870 647405 776886 1294810 1424291 1942215 2848582 3884430 4272873 7121455 8545746 14242910 21364365 42728730
- Sum of all divisors σ(n): 114912000
- Sum of proper divisors (its aliquot sum) s(n): 72183270
- 42728730 is an abundant number, because the sum of its proper divisors (72183270) is greater than itself. Its abundance is 29454540
Bases of 42728730
- Binary: 101000101111111101000110102
- Hexadecimal: 0x28BFD1A
- Base-36: PFTP6
Squares and roots of 42728730
- 42728730 squared (427287302) is 1825744367412900
- 42728730 cubed (427287303) is 78011738124206602617000
-
The
square root of 42728730 is 6536.7216553865 -
The
cube root of 42728730 is 349.6015329209
Scales and comparisons
How big is 42728730?- 42,728,730 seconds is equal to 1 year, 18 weeks, 4 days, 13 hours, 5 minutes, 30 seconds.
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To count from 1 to 42,728,730 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 42728730 cubic inches would be around 29.1 feet tall.
Recreational maths with 42728730
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The information we have on file for 42728730 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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