388645288 is an even 9-digits composite number following 388645287
and preceding 388645289 . In scientific notation, it is written as 3.88645288 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 8 positive divisors.
There are 194322640 positive integers (up to 388645288) that are relatively prime to 388645288.
388645288 has 8 divisors, whose sum is 728709930
The reverse of 388645288 is 882546883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred eighty-eight million six hundred forty-five thousand two hundred eighty-eight
Scientific notation
3.88645288 × 10^8
Engineering notation
3.88645288 × 10^6
Prime Factorization
2 × 2 × 2 × 48580661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
97161322
Product of the distinct prime numbers
The prime factorization of 388645288 is 2 × 2 × 2 × 48580661.
Since it has a total of 4 prime factors.
8 , 9 , 39 , 50 , 982 , 741 , 5992 , 52 , 82818 , 77490 , 977301 , 696583 , 5013559 , 1095479 , 47307353 , 10706703 , 591317884 , 957671690 , 1628729177 , 2547371977
n×2
777290576
n×3
1165935864
n×4
1554581152
n×5
1943226440
n÷2
194322644
n÷3
129548429.33333
n÷3
97161322
n÷5
77729057.6
n2
151045159884602944
n3
5.8702989664358E+25
n4
2.2814640324565E+34
n5
8.8668024595571E+42
2 √n
19714.088566302
3 √n
729.76741699184
4 √n
140.40686794563
5 √n
52.228876203278
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
-388645287
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 388645288 can be divided by 8 positive divisors.
The sum of these divisors (counting 388645288) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100100000110101000
3
Ternary
1000002022020002221
4
Quaternary
113022210012220
5
Quinary
1243443122123
6
Senary
102322003424
8
Octal
2712440650
10
Decimal
388645288
12
Duodecimal
aa1a6574
16
Hexadecimal
172a41a8
20
Vigesimal
6190d48
36
Base36
6fe0mg
md5
0c40d3de0c157b4c31d852ec5e115197
sha1
d57f37a59a24895a24bf9728cc5d04e9364d6efe
sha256
317d5e9f8e342356d38b97f352975af864f69cea33bbd54ef8c8bfc3dfb14847
sha512
2a115279befb37ea96c02ca481f233758870663b834e398805cc56db4c162d9487648c1b4dd03cb74c9f8ba75b170a13447fbb179b644fa090226d4d68b4c3f2
ripemd-160
42563c3800edf6be7f9e2dd0ec8ebeb6cae853a6
Diameter
777290576
Circumference
2441930363.2662
Area
4.7452236465376E+17
Volume
2.4589450809774E+26
Surface area
1.8980894586151E+18
Circumference
2441930363.2662
Perimeter
1554581152
Area
151045159884602944
Diagonal
549627437.242
Surface area
906270959307617664
Volume
5.8702989664358E+25
Space diagonal
673153384.93824
Perimeter
1165935864
Area
6.5404472789374E+16
Altitude
336576692.46912
Surface area
6.5404472789374E+16
Volume
6.9182136779318E+24
Height
183209145.74733