328726728
328,726,728 is an even composite number composed of five prime numbers multiplied together.
328726728 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 328726728:
23 × 33 × 11 × 31 × 4463
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 31 × 4463)See below for interesting mathematical facts about the number 328726728 from the Numbermatics database.
Names of 328726728
- Cardinal: 328726728 can be written as Three hundred twenty-eight million, seven hundred twenty-six thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 3.28726728 × 108
Factors of 328726728
Divisors of 328726728
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 31 33 36 44 54 62 66 72 88 93 99 108 124 132 186 198 216 248 264 279 297 341 372 396 558 594 682 744 792 837 1023 1116 1188 1364 1674 2046 2232 2376 2728 3069 3348 4092 4463 6138 6696 8184 8926 9207 12276 13389 17852 18414 24552 26778 35704 36828 40167 49093 53556 73656 80334 98186 107112 120501 138353 147279 160668 196372 241002 276706 294558 321336 392744 415059 441837 482004 553412 589116 830118 883674 964008 1106824 1178232 1245177 1325511 1521883 1660236 1767348 2490354 2651022 3043766 3320472 3534696 3735531 4565649 4980708 5302044 6087532 7471062 9131298 9961416 10604088 12175064 13696947 14942124 18262596 27393894 29884248 36525192 41090841 54787788 82181682 109575576 164363364 328726728
- Sum of all divisors σ(n): 1028505600
- Sum of proper divisors (its aliquot sum) s(n): 699778872
- 328726728 is an abundant number, because the sum of its proper divisors (699778872) is greater than itself. Its abundance is 371052144
Bases of 328726728
- Binary: 100111001011111111000110010002
- Hexadecimal: 0x1397F8C8
- Base-36: 5FPR60
Squares and roots of 328726728
- 328726728 squared (3287267282) is 108061261701585984
- 328726728 cubed (3287267283) is 35522624982714072930980352
-
The
square root of 328726728 is 18130.8225957897 -
The
cube root of 328726728 is 690.1524048981
Scales and comparisons
How big is 328726728?- 328,726,728 seconds is equal to 10 years, 23 weeks, 3 days, 16 hours, 58 minutes, 48 seconds.
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To count from 1 to 328,726,728 would take you about fifteen 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 328726728 cubic inches would be around 57.5 feet tall.
Recreational maths with 328726728
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