388442942 is an even 9-digits composite number following 388442941
and preceding 388442943 . In scientific notation, it is written as 3.88442942 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 194128200 positive integers (up to 388442942) that are relatively prime to 388442942.
388442942 has 8 divisors, whose sum is 582944232
The reverse of 388442942 is 249244883
Previous prime number is 2131
Is Prime? no Number parity even Number length 9 Sum of Digits 44 Digital Root 8
Name
three hundred eighty-eight million four hundred forty-two thousand nine hundred forty-two
Scientific notation
3.88442942 × 10^8
Engineering notation
3.88442942 × 10^6
Prime Factorization
2 × 2131 × 91141
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
388442942 Product of the distinct prime numbers
The prime factorization of 388442942 is 2 × 2131 × 91141.
Since it has a total of 3 prime factors.
3 , 5 , 82 , 28 , 20 , 757 , 3872 , 3066 , 63676 , 48805 , 945633 , 848086 , 9037230 , 3361472 , 21591810 , 20031633 , 326567280 , 864753882 , 4501811492 , 6321774244
n×2
776885884
n×3
1165328826
n×4
1553771768
n×5
1942214710
n÷2
194221471
n÷3
129480980.66667
n÷3
97110735.5
n÷5
77688588.4
n2
150887919189615364
n3
5.8611347242272E+25
n4
2.2767164157372E+34
n5
8.8437442262865E+42
2 √n19708.95588305
3 √n729.64074522814
4 √n140.38858886337
5 √n52.223436535731
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-388442941 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388442942 can be divided by 8 positive divisors.
The sum of these divisors (counting 388442942) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001001110010101100111110
3
Ternary
1000001220221112122
4
Quaternary
113021302230332
5
Quinary
1243420133232
6
Senary
102313402542
8
Octal
2711625476
10
Decimal
388442942
12
Duodecimal
aa109452
16
Hexadecimal
17272b3e
20
Vigesimal
617f772
36
Base36
6f9ohq
md5
2ee1e8d0cb5125ebd71a99c8e9ab095d
sha1
609db44d1f71f93c7b6a7fb56e7074a4f12786c1
sha256
a186b23b2be0ac279fea871f3d430ff2f25f8642be9c41f11d4f5c070f75e493
sha512
38e0d5926b830661a877787d8a7674638014e9a48b72824c5002a033128d32270d808dd32699ad079dad0f44da268620e1cc7a448a5942c98082cd7ec4a1052c
ripemd-160
7f177d092f87c5b85de5c7f3425a63d3b93a4e86
Diameter
776885884
Circumference
2440658985.852
Area
4.7402837844155E+17
Volume
2.4551063721776E+26
Surface area
1.8961135137662E+18
Circumference
2440658985.852
Perimeter
1553771768
Area
150887919189615364
Diagonal
549341276.78451
Surface area
905327515137692184
Volume
5.8611347242272E+25
Space diagonal
672802911.38553
Perimeter
1165328826
Area
6.533638557119E+16
Altitude
336401455.69277
Surface area
6.533638557119E+16
Volume
6.9074135149151E+24
Height
183113758.92817