85990400
85,990,400 is an even composite number composed of three prime numbers multiplied together.
85990400 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-six divisors.
Prime factorization of 85990400:
210 × 52 × 3359
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 3359)See below for interesting mathematical facts about the number 85990400 from the Numbermatics database.
Names of 85990400
- Cardinal: 85990400 can be written as Eighty-five million, nine hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 8.59904 × 107
Factors of 85990400
Divisors of 85990400
- Number of divisors d(n): 66
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2560 3200 3359 5120 6400 6718 12800 13436 16795 25600 26872 33590 53744 67180 83975 107488 134360 167950 214976 268720 335900 429952 537440 671800 859904 1074880 1343600 1719808 2149760 2687200 3439616 4299520 5374400 8599040 10748800 17198080 21497600 42995200 85990400
- Sum of all divisors σ(n): 213215520
- Sum of proper divisors (its aliquot sum) s(n): 127225120
- 85990400 is an abundant number, because the sum of its proper divisors (127225120) is greater than itself. Its abundance is 41234720
Bases of 85990400
- Binary: 1010010000000011100000000002
- Hexadecimal: 0x5201C00
- Base-36: 1F72M8
Squares and roots of 85990400
- 85990400 squared (859904002) is 7394348892160000
- 85990400 cubed (859904003) is 635843018976395264000000
-
The
square root of 85990400 is 9273.1008837389 -
The
cube root of 85990400 is 441.3840714287
Scales and comparisons
How big is 85990400?- 85,990,400 seconds is equal to 2 years, 38 weeks, 1 day, 6 hours, 13 minutes, 20 seconds.
-
To count from 1 to 85,990,400 would take you about four 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 85990400 cubic inches would be around 36.8 feet tall.
Recreational maths with 85990400
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