388940 is an even 6-digits composite number following 388939
and preceding 388941 . In scientific notation, it is written as 3.88940 × 10^5.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 155568 positive integers (up to 388940) that are relatively prime to 388940.
388940 has 12 divisors, whose sum is 816816
The reverse of 388940 is 049883
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 32
Digital Root 5
Name
three hundred eighty-eight thousand nine hundred forty
Scientific notation
3.88940 × 10^5
Engineering notation
3.88940 × 10^3
Prime Factorization
2 × 2 × 5 × 19447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194470
Product of the distinct prime numbers
The prime factorization of 388940 is 2 × 2 × 5 × 19447.
Since it has a total of 4 prime factors.
8 , 2 , 40 , 91 , 707 , 671 , 1713 , 6680 , 57278 , 8379 , 233195 , 678935 , 5858836 , 8628232 , 13974639 , 42180613 , 126613123 , 323858391 , 3171745993 , 3834702463
n×2
777880
n×3
1166820
n×4
1555760
n×5
1944700
n÷2
194470
n÷3
129646.66666667
n÷3
97235
n÷5
77788
n2
151274323600
n3
58836635420984000
n4
2.2883920980638E+22
n5
8.9004722262092E+27
2 √n
623.65054317302
3 √n
72.995183268851
4 √n
24.972996279442
5 √n
13.121289632059
1 , 2 , 4 , 5 , 10 , 20 , 19447 , 38894 , 77788 , 97235 , 194470 , 388940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388940 can be divided by 12 positive divisors.
The sum of these divisors (counting 388940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011110111101001100
3
Ternary
201202112012
4
Quaternary
1132331030
5
Quinary
44421230
6
Senary
12200352
8
Octal
1367514
10
Decimal
388940
12
Duodecimal
1690b8
16
Hexadecimal
5ef4c
20
Vigesimal
28c70
36
Base36
8c3w
md5
aa4e19957a7170646f3b04869c2e936f
sha1
a72f27939326462e3e5a28fb470899ad4b42bba7
sha256
965d55f1ba36c5c45f563e60b6c173bf0094467f3bc81e86e2e46038a54ba46e
sha512
7cc0eb7576014e96de9d97b92e853a060707d35782ba7008ae35c257c8233588ad9d319b5de050da5484b3e317c5384051dafc069b54971717f0873e4309b8c5
ripemd-160
e25a1832759509d5823652c448f2a5aef01694a4
Diameter
777880
Circumference
2443782.0933744
Area
475242303698.53
Volume
2.4645432213401E+17
Surface area
1900969214794.1
Circumference
2443782.0933744
Perimeter
1555760
Area
151274323600
Diagonal
550044.22294939
Surface area
907645941600
Volume
58836635420984000
Space diagonal
673663.84109584
Perimeter
1166820
Area
65503703588.954
Altitude
336831.92054792
Surface area
65503703588.954
Volume
6.9339639813964E+15
Height
183348.07431646