15391389 is an odd 8-digits composite number following 15391388
and preceding 15391390 . In scientific notation, it is written as 1.5391389 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9309696 positive integers (up to 15391389) that are relatively prime to 15391389.
15391389 has 16 divisors, whose sum is 22478400
The reverse of 15391389 is 98319351
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifteen million three hundred ninety-one thousand three hundred eighty-nine
Scientific notation
1.5391389 × 10^7
Engineering notation
1.5391389 × 10^6
Prime Factorization
3 × 13 × 59 × 6689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15391389
Product of the distinct prime numbers
The prime factorization of 15391389 is 3 × 13 × 59 × 6689.
Since it has a total of 4 prime factors.
2 , 6 , 81 , 79 , 145 , 779 , 4307 , 4238 , 78514 , 35087 , 274042 , 988678 , 2030785 , 4457106 , 19481353 , 41265182 , 296554169 , 636738560 , 2550230431 , 490337951
n×2
30782778
n×3
46174167
n×4
61565556
n×5
76956945
n÷2
7695694.5
n÷3
5130463
n÷3
3847847.25
n÷5
3078277.8
n2
236894855349321
n3
3.6461408707801E+21
n4
5.6119172490976E+28
n5
8.6375201416671E+35
2 √n
3923.186077667
3 √n
248.74781325149
4 √n
62.635342081504
5 √n
27.381394530959
1 , 3 , 13 , 39 , 59 , 177 , 767 , 2301 , 6689 , 20067 , 86957 , 260871 , 394651 , 1183953 , 5130463 , 15391389
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
-15391388
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 15391389 can be divided by 16 positive divisors.
The sum of these divisors (counting 15391389) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010101101101010011101
3
Ternary
1001221222000110
4
Quaternary
322231222131
5
Quinary
12420011024
6
Senary
1305520233
8
Octal
72555235
10
Decimal
15391389
12
Duodecimal
51a3079
16
Hexadecimal
eada9d
20
Vigesimal
4g3i99
36
Base36
95w2l
md5
4f64525b699911e1344c496d765dbdcb
sha1
ac2fd997b42608b8fbc5ddc2503ef668f0f10eda
sha256
d2a1b21e520886db8f259eb138f1e1cce5ababeb7b6c6ba53103af9a8d36b12f
sha512
4ef5898124d973892672da824c6e421f4ab675ee1a17db808eb2c2ecf15722cc90ef99b26fad07c5cf26555b9f997ab42f58993ac7dcd28cf3f900112cc05709
ripemd-160
2ddabea27fdc33e6fb3adde9d8eefe1864cd1bbe
Diameter
30782778
Circumference
96706949.221886
Area
7.4422713723864E+14
Volume
1.5272919164795E+22
Surface area
2.9769085489546E+15
Circumference
96706949.221886
Perimeter
61565556
Area
236894855349321
Diagonal
21766711.06756
Surface area
1421369132095926
Volume
3.6461408707801E+21
Space diagonal
26658667.747057
Perimeter
46174167
Area
1.0257848137918E+14
Altitude
13329333.873528
Surface area
1.0257848137918E+14
Volume
4.2970182248168E+20
Height
7255570.3558534