328398945
328,398,945 is an odd composite number composed of seven prime numbers multiplied together.
328398945 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 328398945:
3 × 5 × 7 × 17 × 19 × 23 × 421
See below for interesting mathematical facts about the number 328398945 from the Numbermatics database.
Names of 328398945
- Cardinal: 328398945 can be written as Three hundred twenty-eight million, three hundred ninety-eight thousand, nine hundred forty-five.
Scientific notation
- Scientific notation: 3.28398945 × 108
Factors of 328398945
Divisors of 328398945
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 5 7 15 17 19 21 23 35 51 57 69 85 95 105 115 119 133 161 255 285 323 345 357 391 399 421 437 483 595 665 805 969 1173 1263 1311 1615 1785 1955 1995 2105 2185 2261 2415 2737 2947 3059 4845 5865 6315 6555 6783 7157 7429 7999 8211 8841 9177 9683 11305 13685 14735 15295 21471 22287 23997 29049 33915 35785 37145 39995 41055 44205 45885 48415 50099 52003 55993 67781 107355 111435 119985 135983 145245 150297 156009 164611 167979 183977 203343 250495 260015 279965 338905 407949 493833 551931 679915 751485 780045 823055 839895 919885 951881 1016715 1152277 1287839 2039745 2469165 2759655 2855643 3127609 3456831 3863517 4759405 5761385 6439195 9382827 14278215 15638045 17284155 19317585 21893263 46914135 65679789 109466315 328398945
- Sum of all divisors σ(n): 700047360
- Sum of proper divisors (its aliquot sum) s(n): 371648415
- 328398945 is an abundant number, because the sum of its proper divisors (371648415) is greater than itself. Its abundance is 43249470
Bases of 328398945
- Binary: 100111001001011111000011000012
- Hexadecimal: 0x1392F861
- Base-36: 5FIQ8X
Squares and roots of 328398945
- 328398945 squared (3283989452) is 107845867077113025
- 328398945 cubed (3283989453) is 35416468970734151055758625
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The
square root of 328398945 is 18121.7809555243 -
The
cube root of 328398945 is 689.9229382537
Scales and comparisons
How big is 328398945?- 328,398,945 seconds is equal to 10 years, 22 weeks, 6 days, 21 hours, 55 minutes, 45 seconds.
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To count from 1 to 328,398,945 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 328398945 cubic inches would be around 57.5 feet tall.
Recreational maths with 328398945
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