388431394 is an even 9-digits composite number following 388431393
and preceding 388431395 . In scientific notation, it is written as 3.88431394 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 170698752 positive integers (up to 388431394) that are relatively prime to 388431394.
388431394 has 32 divisors, whose sum is 658087920
The reverse of 388431394 is 493134883
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-eight million four hundred thirty-one thousand three hundred ninety-four
Scientific notation
3.88431394 × 10^8
Engineering notation
3.88431394 × 10^6
Prime Factorization
2 × 73 × 13 × 29 × 7057
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
388431394
Product of the distinct prime numbers
The prime factorization of 388431394 is 2 × 73 × 13 × 29 × 7057.
Since it has a total of 5 prime factors.
2 , 9 , 24 , 64 , 51 , 148 , 2677 , 7238 , 67878 , 10015 , 768961 , 874937 , 2325042 , 754115 , 79610783 , 10197592 , 868888637 , 907522803 , 2619110931 , 5679337813
n×2
776862788
n×3
1165294182
n×4
1553725576
n×5
1942156970
n÷2
194215697
n÷3
129477131.33333
n÷3
97107848.5
n÷5
77686278.8
n2
150878947844783236
n3
5.8606120036602E+25
n4
2.2764456902749E+34
n5
8.8424297283876E+42
2 √n
19708.662917611
3 √n
729.63351467258
4 √n
140.38754545048
5 √n
52.223126022473
1 , 2 , 13 , 26 , 29 , 58 , 73 , 146 , 377 , 754 , 949 , 1898 , 2117 , 4234 , 7057 , 14114 , 27521 , 55042 , 91741 , 183482 , 204653 , 409306 , 515161 , 1030322 , 2660489 , 5320978 , 6697093 , 13394186 , 14939669 , 29879338 , 194215697 , 388431394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388431393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388431394 can be divided by 32 positive divisors.
The sum of these divisors (counting 388431394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10111001001101111111000100010
3
Ternary
1000001220100200221
4
Quaternary
113021233320202
5
Quinary
1243414301034
6
Senary
102313233254
8
Octal
2711577042
10
Decimal
388431394
12
Duodecimal
aa10282a
16
Hexadecimal
1726fe22
20
Vigesimal
617di9e
36
Base36
6f9fky
md5
139bcd15990dc30eaeb65f977ec5511e
sha1
93c87a124b8cd12ecb06abebbc1b71a224290afb
sha256
dea2944ec7234e7e6d2a1d4516dc46e8020f764e61dff1701185d8c30cc28995
sha512
8bec24617dff5568ab48eff33fe1b1690604f5533342142337ca5acc2f2fa4597a95124608a3be3bb27b53c3acc458f8d83aa7d472e66802c5d13507435e97d3
ripemd-160
f55675d86d89b13a94ed881a137106adacfb262c
Diameter
776862788
Circumference
2440586427.6281
Area
4.7400019413053E+17
Volume
2.4548874154986E+26
Surface area
1.8960007765221E+18
Circumference
2440586427.6281
Perimeter
1553725576
Area
150878947844783236
Diagonal
549324945.44629
Surface area
905273687068699416
Volume
5.8606120036602E+25
Space diagonal
672782909.6628
Perimeter
1165294182
Area
6.5332500864925E+16
Altitude
336391454.8314
Surface area
6.5332500864925E+16
Volume
6.9067974828191E+24
Height
183108315.14876