388639427 is an odd 9-digits composite number following 388639426
and preceding 388639428 . In scientific notation, it is written as 3.88639427 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 353308560 positive integers (up to 388639427) that are relatively prime to 388639427.
388639427 has 4 divisors, whose sum is 423970296
The reverse of 388639427 is 724936883
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred thirty-nine thousand four hundred twenty-seven
Scientific notation
3.88639427 × 10^8
Engineering notation
3.88639427 × 10^6
Prime Factorization
11 × 35330857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388639427
Product of the distinct prime numbers
The prime factorization of 388639427 is 11 × 35330857.
Since it has a total of 2 prime factors.
3 , 7 , 3 , 66 , 125 , 477 , 3117 , 4477 , 27927 , 26231 , 963051 , 944227 , 8317794 , 1660008 , 56441223 , 65151651 , 734785813 , 899699752 , 2179940607 , 247835677
n×2
777278854
n×3
1165918281
n×4
1554557708
n×5
1943197135
n÷2
194319713.5
n÷3
129546475.66667
n÷3
97159856.75
n÷5
77727885.4
n2
151040604218888329
n3
5.8700333877363E+25
n4
2.2813264122807E+34
n5
8.8661338966873E+42
2 √n
19713.939915704
3 √n
729.76374853248
4 √n
140.40633858806
5 √n
52.228718673881
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388639426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388639427 can be divided by 4 positive divisors.
The sum of these divisors (counting 388639427) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100010101011000011
3
Ternary
1000002021221001212
4
Quaternary
113022202223003
5
Quinary
1243442430202
6
Senary
102321520335
8
Octal
2712425303
10
Decimal
388639427
12
Duodecimal
aa1a30ab
16
Hexadecimal
172a2ac3
20
Vigesimal
618jib7
36
Base36
6fdw3n
md5
bc5ee35b58d5f350e747e6d83dfe8b07
sha1
796e69a1f42fa131d5ddf92336e1aa7ca60e771f
sha256
086b4a51274096e08fe17365fb026186fe7bf2e24a6a042ec429e900db916876
sha512
86c42788930b2e8d34480c82d7b7a06add04f7c47bc863dba3b1507fd4fcaf08d1c9862d1b35585924bbd746122b179e6ac2114b16ecb16395869d61470a0fc7
ripemd-160
86d6cc61a935c14d44e337de24c6b8e442109502
Diameter
777278854
Circumference
2441893537.5171
Area
4.7450805260782E+17
Volume
2.4588338356319E+26
Surface area
1.8980322104313E+18
Circumference
2441893537.5171
Perimeter
1554557708
Area
151040604218888329
Diagonal
549619148.53631
Surface area
906243625313329974
Volume
5.8700333877363E+25
Space diagonal
673143233.38846
Perimeter
1165918281
Area
6.5402500128254E+16
Altitude
336571616.69423
Surface area
6.5402500128254E+16
Volume
6.9179006904329E+24
Height
183206382.84544