388638429 is an odd 9-digits composite number following 388638428
and preceding 388638430 . In scientific notation, it is written as 3.88638429 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 242062128 positive integers (up to 388638429) that are relatively prime to 388638429.
388638429 has 16 divisors, whose sum is 553293312
The reverse of 388638429 is 924836883
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-eight million six hundred thirty-eight thousand four hundred twenty-nine
Scientific notation
3.88638429 × 10^8
Engineering notation
3.88638429 × 10^6
Prime Factorization
3 × 23 × 43 × 130987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388638429
Product of the distinct prime numbers
The prime factorization of 388638429 is 3 × 23 × 43 × 130987.
Since it has a total of 4 prime factors.
2 , 10 , 25 , 51 , 813 , 555 , 9502 , 9967 , 5954 , 7733 , 727775 , 822900 , 545108 , 8148721 , 80457204 , 7850718 , 660077996 , 969730884 , 3561989662 , 4748195872
n×2
777276858
n×3
1165915287
n×4
1554553716
n×5
1943192145
n÷2
194319214.5
n÷3
129546143
n÷3
97159607.25
n÷5
77727685.8
n2
151039828495588041
n3
5.8699881662955E+25
n4
2.2813029791977E+34
n5
8.866020059084E+42
2 √n
19713.91460365
3 √n
729.76312387048
4 √n
140.40624844945
5 √n
52.228691849884
1 , 3 , 23 , 43 , 69 , 129 , 989 , 2967 , 130987 , 392961 , 3012701 , 5632441 , 9038103 , 16897323 , 129546143 , 388638429
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
-388638428
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 388638429 can be divided by 16 positive divisors.
The sum of these divisors (counting 388638429) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010011011011101
3
Ternary
1000002021212200220
4
Quaternary
113022202123131
5
Quinary
1243442412204
6
Senary
102321511553
8
Octal
2712423335
10
Decimal
388638429
12
Duodecimal
aa1a25b9
16
Hexadecimal
172a26dd
20
Vigesimal
618jg19
36
Base36
6fdvbx
md5
0e457943adcce165fcbfe5e3df8b4a43
sha1
cc0cb54982d4c6ea9bd8840ff77be0b2add26874
sha256
37a1ce981ed32be7badbd538110e25b5c1f3183823ef23a649aa33fe143f6e03
sha512
18e419cfe625db3404e6c71b411c25847e6d7a966d9a86ff1a93097bf405c78a8deeb56d938beda5bfd4a44b33d8b32205afae01812c69d018a85c16bbeabd37
ripemd-160
09225a43b260809b8ce341a30136368ca57eefcd
Diameter
777276858
Circumference
2441887266.8982
Area
4.745056156012E+17
Volume
2.4588148933191E+26
Surface area
1.8980224624048E+18
Circumference
2441887266.8982
Perimeter
1554553716
Area
151039828495588041
Diagonal
549617737.15117
Surface area
906238970973528246
Volume
5.8699881662955E+25
Space diagonal
673141504.80175
Perimeter
1165915287
Area
6.5402164230212E+16
Altitude
336570752.40087
Surface area
6.5402164230212E+16
Volume
6.9178473964539E+24
Height
183205912.38372