388938142 is an even 9-digits composite number following 388938141
and preceding 388938143 . In scientific notation, it is written as 3.88938142 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 183392440 positive integers (up to 388938142) that are relatively prime to 388938142.
388938142 has 16 divisors, whose sum is 617352192
The reverse of 388938142 is 241839883
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-eight million nine hundred thirty-eight thousand one hundred forty-two
Scientific notation
3.88938142 × 10^8
Engineering notation
3.88938142 × 10^6
Prime Factorization
2 × 23 × 71 × 119087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388938142
Product of the distinct prime numbers
The prime factorization of 388938142 is 2 × 23 × 71 × 119087.
Since it has a total of 4 prime factors.
4 , 10 , 27 , 47 , 551 , 992 , 9131 , 6688 , 40519 , 6604 , 695896 , 89971 , 9873933 , 933451 , 98558050 , 33591041 , 295751450 , 407652668 , 9537659433 , 8469042463
n×2
777876284
n×3
1166814426
n×4
1555752568
n×5
1944690710
n÷2
194469071
n÷3
129646047.33333
n÷3
97234535.5
n÷5
77787628.4
n2
151272878302412164
n3
5.8835792221932E+25
n4
2.2883483709896E+34
n5
8.9002596366144E+42
2 √n
19721.51469842
3 √n
729.95067033899
4 √n
140.43331050153
5 √n
52.236744986289
1 , 2 , 23 , 46 , 71 , 142 , 1633 , 3266 , 119087 , 238174 , 2739001 , 5478002 , 8455177 , 16910354 , 194469071 , 388938142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388938141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388938142 can be divided by 16 positive divisors.
The sum of these divisors (counting 388938142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001011101011100110011110
3
Ternary
1000002212002211101
4
Quaternary
113023223212132
5
Quinary
1244032010032
6
Senary
102332143314
8
Octal
2713534636
10
Decimal
388938142
12
Duodecimal
aa307b3a
16
Hexadecimal
172eb99e
20
Vigesimal
61ah572
36
Base36
6fkala
md5
4ac6ad8345a149bea70fd0de5f1c8cb3
sha1
b152f4214d0c7a6dcae75a0d65ff8fdcdf4f2cc4
sha256
ab7047dafab9a4c4b1f9107efa47168ac3471c5cf97e2b3e005bc5082892c412
sha512
812f9da5547942e3b76734df819afdf7b7ef48d0c4d0a2995f5ff0702be6ed7635b283ab429c15559d7c5ce3e9cabbec1210f428d6acb8e5eb9cd91a28acdae5
ripemd-160
a8bbc2864cc6157ffa2fcc991c479bbe9bae62b8
Diameter
777876284
Circumference
2443770419.2161
Area
4.7523776316224E+17
Volume
2.4645079015008E+26
Surface area
1.900951052649E+18
Circumference
2443770419.2161
Perimeter
1555752568
Area
151272878302412164
Diagonal
550041595.34059
Surface area
907637269814472984
Volume
5.8835792221932E+25
Space diagonal
673660622.94544
Perimeter
1166814426
Area
6.550307775674E+16
Altitude
336830311.47272
Surface area
6.550307775674E+16
Volume
6.9338646094352E+24
Height
183347198.44686