398428992
398,428,992 is an even composite number composed of four prime numbers multiplied together.
398428992 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-six divisors.
Prime factorization of 398428992:
26 × 32 × 132 × 4093
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 4093)See below for interesting mathematical facts about the number 398428992 from the Numbermatics database.
Names of 398428992
- Cardinal: 398428992 can be written as Three hundred ninety-eight million, four hundred twenty-eight thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 3.98428992 × 108
Factors of 398428992
Divisors of 398428992
- Number of divisors d(n): 126
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 144 156 169 192 208 234 288 312 338 416 468 507 576 624 676 832 936 1014 1248 1352 1521 1872 2028 2496 2704 3042 3744 4056 4093 5408 6084 7488 8112 8186 10816 12168 12279 16224 16372 24336 24558 32448 32744 36837 48672 49116 53209 65488 73674 97344 98232 106418 130976 147348 159627 196464 212836 261952 294696 319254 392928 425672 478881 589392 638508 691717 785856 851344 957762 1178784 1277016 1383434 1702688 1915524 2075151 2357568 2554032 2766868 3405376 3831048 4150302 5108064 5533736 6225453 7662096 8300604 10216128 11067472 12450906 15324192 16601208 22134944 24901812 30648384 33202416 44269888 49803624 66404832 99607248 132809664 199214496 398428992
- Sum of all divisors σ(n): 1236932502
- Sum of proper divisors (its aliquot sum) s(n): 838503510
- 398428992 is an abundant number, because the sum of its proper divisors (838503510) is greater than itself. Its abundance is 440074518
Bases of 398428992
- Binary: 101111011111110001011010000002
- Hexadecimal: 0x17BF8B40
- Base-36: 6L7PS0
Squares and roots of 398428992
- 398428992 squared (3984289922) is 158745661666136064
- 398428992 cubed (3984289923) is 63248873962011632514367488
-
The
square root of 398428992 is 19960.6861605507 -
The
cube root of 398428992 is 735.8404269679
Scales and comparisons
How big is 398428992?- 398,428,992 seconds is equal to 12 years, 34 weeks, 5 days, 10 hours, 43 minutes, 12 seconds.
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To count from 1 to 398,428,992 would take you about nineteen 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 398428992 cubic inches would be around 61.3 feet tall.
Recreational maths with 398428992
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