388639434 is an even 9-digits composite number following 388639433
and preceding 388639435 . In scientific notation, it is written as 3.88639434 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 129546476 positive integers (up to 388639434) that are relatively prime to 388639434.
388639434 has 8 divisors, whose sum is 777278880
The reverse of 388639434 is 434936883
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million six hundred thirty-nine thousand four hundred thirty-four
Scientific notation
3.88639434 × 10^8
Engineering notation
3.88639434 × 10^6
Prime Factorization
2 × 3 × 64773239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388639434
Product of the distinct prime numbers
The prime factorization of 388639434 is 2 × 3 × 64773239.
Since it has a total of 3 prime factors.
9 , 9 , 44 , 88 , 248 , 496 , 5778 , 4074 , 49433 , 73687 , 817787 , 18827 , 9391355 , 9475491 , 71320024 , 68054343 , 840595053 , 999143056 , 1393275793 , 5395050776
n×2
777278868
n×3
1165918302
n×4
1554557736
n×5
1943197170
n÷2
194319717
n÷3
129546478
n÷3
97159858.5
n÷5
77727886.8
n2
151040609659840356
n3
5.8700337049215E+25
n4
2.2813265766416E+34
n5
8.8661346951516E+42
2 √n
19713.940093244
3 √n
729.76375291387
4 √n
140.40633922029
5 √n
52.228718862025
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
-388639433
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 388639434 can be divided by 8 positive divisors.
The sum of these divisors (counting 388639434) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100010101011001010
3
Ternary
1000002021221002010
4
Quaternary
113022202223022
5
Quinary
1243442430214
6
Senary
102321520350
8
Octal
2712425312
10
Decimal
388639434
12
Duodecimal
aa1a30b6
16
Hexadecimal
172a2aca
20
Vigesimal
618jibe
36
Base36
6fdw3u
md5
d3f6d6d5a1cbfee0647aa051869057af
sha1
7a1da869adfc944f03033547db08499c25ff4f34
sha256
9b564d3969df4b35cd8bba7c207e105c4af7027e92db2bac89e6c74154735c8e
sha512
274613fb3c22c654abbb14add768800174bfae55ad051a2951a4e03fe6bdefb3aab9509ca22846e9aa347a8e1fca1bc7c86e62512bcd899b19fa3998dd999aaa
ripemd-160
afe2a99f9d66e5714c0aba54fdf6eb073305a6b2
Diameter
777278868
Circumference
2441893581.4994
Area
4.7450806970108E+17
Volume
2.4588339684941E+26
Surface area
1.8980322788043E+18
Circumference
2441893581.4994
Perimeter
1554557736
Area
151040609659840356
Diagonal
549619158.4358
Surface area
906243657959042136
Volume
5.8700337049215E+25
Space diagonal
673143245.51281
Perimeter
1165918302
Area
6.5402502484256E+16
Altitude
336571622.75641
Surface area
6.5402502484256E+16
Volume
6.9179010642393E+24
Height
183206386.14527