990147928
990,147,928 is an even composite number composed of six prime numbers multiplied together.
990147928 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 990147928:
23 × 7 × 11 × 29 × 43 × 1289
(2 × 2 × 2 × 7 × 11 × 29 × 43 × 1289)See below for interesting mathematical facts about the number 990147928 from the Numbermatics database.
Names of 990147928
- Cardinal: 990147928 can be written as Nine hundred ninety million, one hundred forty-seven thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 9.90147928 × 108
Factors of 990147928
Divisors of 990147928
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 11 14 22 28 29 43 44 56 58 77 86 88 116 154 172 203 232 301 308 319 344 406 473 602 616 638 812 946 1204 1247 1276 1289 1624 1892 2233 2408 2494 2552 2578 3311 3784 4466 4988 5156 6622 8729 8932 9023 9976 10312 13244 13717 14179 17458 17864 18046 26488 27434 28358 34916 36092 37381 54868 55427 56716 69832 72184 74762 96019 99253 109736 110854 113432 149524 192038 198506 221708 261667 299048 384076 387989 397012 411191 443416 523334 609697 768152 775978 794024 822382 1046668 1219394 1551956 1607383 1644764 2093336 2438788 2878337 3103912 3214766 3289528 4267879 4877576 5756674 6429532 8535758 11251681 11513348 12859064 17071516 17681213 22503362 23026696 34143032 35362426 45006724 70724852 90013448 123768491 141449704 247536982 495073964 990147928
- Sum of all divisors σ(n): 2452032000
- Sum of proper divisors (its aliquot sum) s(n): 1461884072
- 990147928 is an abundant number, because the sum of its proper divisors (1461884072) is greater than itself. Its abundance is 471736144
Bases of 990147928
- Binary: 1110110000010001110101010110002
- Hexadecimal: 0x3B047558
- Base-36: GDIB14
Squares and roots of 990147928
- 990147928 squared (9901479282) is 980392919322693184
- 990147928 cubed (9901479283) is 970734017693235819517322752
-
The
square root of 990147928 is 31466.6160875299 -
The
cube root of 990147928 is 996.7051317665
Scales and comparisons
How big is 990147928?- 990,147,928 seconds is equal to 31 years, 25 weeks, 1 day, 1 hour, 5 minutes, 28 seconds.
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To count from 1 to 990,147,928 would take you about forty-seven 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 990147928 cubic inches would be around 83.1 feet tall.
Recreational maths with 990147928
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