990393208
990,393,208 is an even composite number composed of six prime numbers multiplied together.
990393208 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 990393208:
23 × 7 × 17 × 31 × 37 × 907
(2 × 2 × 2 × 7 × 17 × 31 × 37 × 907)See below for interesting mathematical facts about the number 990393208 from the Numbermatics database.
Names of 990393208
- Cardinal: 990393208 can be written as Nine hundred ninety million, three hundred ninety-three thousand, two hundred eight.
Scientific notation
- Scientific notation: 9.90393208 × 108
Factors of 990393208
Divisors of 990393208
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 14 17 28 31 34 37 56 62 68 74 119 124 136 148 217 238 248 259 296 434 476 518 527 629 868 907 952 1036 1054 1147 1258 1736 1814 2072 2108 2294 2516 3628 3689 4216 4403 4588 5032 6349 7256 7378 8029 8806 9176 12698 14756 15419 16058 17612 19499 25396 28117 29512 30838 32116 33559 35224 38998 50792 56234 61676 64232 67118 77996 107933 112468 123352 134236 136493 155992 196819 215866 224936 234913 268472 272986 393638 431732 469826 477989 545972 570503 787276 863464 939652 955978 1040329 1091944 1141006 1574552 1879304 1911956 2080658 2282012 3345923 3823912 3993521 4161316 4564024 6691846 7282303 7987042 8322632 13383692 14564606 15974084 17685593 26767384 29129212 31948168 35371186 58258424 70742372 123799151 141484744 247598302 495196604 990393208
- Sum of all divisors σ(n): 2384916480
- Sum of proper divisors (its aliquot sum) s(n): 1394523272
- 990393208 is an abundant number, because the sum of its proper divisors (1394523272) is greater than itself. Its abundance is 404130064
Bases of 990393208
- Binary: 1110110000100000110011011110002
- Hexadecimal: 0x3B083378
- Base-36: GDNKAG
Squares and roots of 990393208
- 990393208 squared (9903932082) is 980878706452531264
- 990393208 cubed (9903932083) is 971455608742412738273254912
-
The
square root of 990393208 is 31470.5133100813 -
The
cube root of 990393208 is 996.7874264229
Scales and comparisons
How big is 990393208?- 990,393,208 seconds is equal to 31 years, 25 weeks, 3 days, 21 hours, 13 minutes, 28 seconds.
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To count from 1 to 990,393,208 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 990393208 cubic inches would be around 83.1 feet tall.
Recreational maths with 990393208
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