15391242 is an even 8-digits composite number following 15391241
and preceding 15391243 . In scientific notation, it is written as 1.5391242 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 5130396 positive integers (up to 15391242) that are relatively prime to 15391242.
15391242 has 8 divisors, whose sum is 23942016
The reverse of 15391242 is 24219351
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
fifteen million three hundred ninety-one thousand two hundred forty-two
Scientific notation
1.5391242 × 10^7
Engineering notation
1.5391242 × 10^6
Prime Factorization
2 × 27 × 285023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15391242
Product of the distinct prime numbers
The prime factorization of 15391242 is 2 × 27 × 285023.
Since it has a total of 3 prime factors.
8 , 3 , 23 , 57 , 4 , 685 , 7659 , 8625 , 97174 , 7291 , 576678 , 771339 , 3619382 , 8927591 , 81225696 , 94771440 , 480919742 , 374662939 , 5061285997 , 106175174
n×2
30782484
n×3
46173726
n×4
61564968
n×5
76956210
n÷2
7695621
n÷3
5130414
n÷3
3847810.5
n÷5
3078248.4
n2
236890330302564
n3
3.6460364011467E+21
n4
5.6117028590858E+28
n5
8.6371076736281E+35
2 √n
3923.1673428494
3 √n
248.74702133585
4 √n
62.635192526641
5 √n
27.381342227943
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
-15391241
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 15391242 can be divided by 8 positive divisors.
The sum of these divisors (counting 15391242) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010101101101000001010
3
Ternary
1001221221211000
4
Quaternary
322231220022
5
Quinary
12420004432
6
Senary
1305515430
8
Octal
72555012
10
Decimal
15391242
12
Duodecimal
51a2b76
16
Hexadecimal
eada0a
20
Vigesimal
4g3i22
36
Base36
95vyi
md5
5b109283d79cae6d0ab6056b27126382
sha1
0e3c7a850ef1efe36a4ac2346abee43cbc2a0553
sha256
766d1f3c40f7e19cddf79ff159353e06f9d4a4e24ff51cafb62c28ee2f787ffc
sha512
0f28e80d7fb4e3788043b6cfd968954459377d15a65a43d4765d927d2a2e77e7c70fdb8ab5e4ae692e56853cdba0e6d41092eef126d68f9f02f2b432ad45f447
ripemd-160
290deac1c020e11ebe6dbd88914c8146b5560b3f
Diameter
30782484
Circumference
96706025.593645
Area
7.4421292138499E+14
Volume
1.5272481563418E+22
Surface area
2.97685168554E+15
Circumference
96706025.593645
Perimeter
61564968
Area
236890330302564
Diagonal
21766503.178166
Surface area
1421341981815384
Volume
3.6460364011467E+21
Space diagonal
26658413.135588
Perimeter
46173726
Area
1.0257652197645E+14
Altitude
13329206.567794
Surface area
1.0257652197645E+14
Volume
4.296895106173E+20
Height
7255501.0593888