428291720
428,291,720 is an even composite number composed of five prime numbers multiplied together.
428291720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 428291720:
23 × 5 × 29 × 421 × 877
(2 × 2 × 2 × 5 × 29 × 421 × 877)See below for interesting mathematical facts about the number 428291720 from the Numbermatics database.
Names of 428291720
- Cardinal: 428291720 can be written as Four hundred twenty-eight million, two hundred ninety-one thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 4.2829172 × 108
Factors of 428291720
Divisors of 428291720
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 8 10 20 29 40 58 116 145 232 290 421 580 842 877 1160 1684 1754 2105 3368 3508 4210 4385 7016 8420 8770 12209 16840 17540 24418 25433 35080 48836 50866 61045 97672 101732 122090 127165 203464 244180 254330 369217 488360 508660 738434 1017320 1476868 1846085 2953736 3692170 7384340 10707293 14768680 21414586 42829172 53536465 85658344 107072930 214145860 428291720
- Sum of all divisors σ(n): 1000393200
- Sum of proper divisors (its aliquot sum) s(n): 572101480
- 428291720 is an abundant number, because the sum of its proper divisors (572101480) is greater than itself. Its abundance is 143809760
Bases of 428291720
- Binary: 110011000011100110110100010002
- Hexadecimal: 0x19873688
- Base-36: 72ZS08
Squares and roots of 428291720
- 428291720 squared (4282917202) is 183433797420558400
- 428291720 cubed (4282917203) is 78563176603382520496448000
-
The
square root of 428291720 is 20695.2100738311 -
The
cube root of 428291720 is 753.7833833295
Scales and comparisons
How big is 428291720?- 428,291,720 seconds is equal to 13 years, 32 weeks, 1 day, 1 hour, 55 minutes, 20 seconds.
-
To count from 1 to 428,291,720 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 428291720 cubic inches would be around 62.8 feet tall.
Recreational maths with 428291720
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The information we have on file for 428291720 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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