13256561 is an odd 8-digits composite number following 13256560
and preceding 13256562 . In scientific notation, it is written as 1.3256561 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 12751920 positive integers (up to 13256561) that are relatively prime to 13256561.
13256561 has 8 divisors, whose sum is 13766400
The reverse of 13256561 is 16565231
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirteen million two hundred fifty-six thousand five hundred sixty-one
Scientific notation
1.3256561 × 10^7
Engineering notation
1.3256561 × 10^6
Prime Factorization
31 × 179 × 2389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13256561
Product of the distinct prime numbers
The prime factorization of 13256561 is 31 × 179 × 2389.
Since it has a total of 3 prime factors.
7 , 8 , 97 , 57 , 889 , 186 , 2257 , 947 , 20170 , 61726 , 689493 , 989025 , 1036157 , 9040745 , 14310564 , 36642158 , 348112900 , 5931701 , 5053823823 , 2510643654
n×2
26513122
n×3
39769683
n×4
53026244
n×5
66282805
n÷2
6628280.5
n÷3
4418853.6666667
n÷3
3314140.25
n÷5
2651312.2
n2
175736409546721
n3
2.3296604330771E+21
n4
3.0883285640373E+28
n5
4.0940615997203E+35
2 √n
3640.9560557634
3 √n
236.67022565126
4 √n
60.340335230784
5 √n
26.575789483286
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
-13256560
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 13256561 can be divided by 8 positive divisors.
The sum of these divisors (counting 13256561) is 1, the average is 0.125.
Base
System
Value
2
Binary
110010100100011101110001
3
Ternary
220221111120202
4
Quaternary
302210131301
5
Quinary
11343202221
6
Senary
1152044545
8
Octal
62443561
10
Decimal
13256561
12
Duodecimal
4533755
16
Hexadecimal
ca4771
20
Vigesimal
42h181
36
Base36
7w4tt
md5
c0cc192c2182be4c312cc7f47a966293
sha1
aea2b50dfafc740c82d55a7e4dc641e211eb5b2b
sha256
995cf3589f24a74d043921f0bf0086a388a21ee76f467fa6c5c5af17bf6e2932
sha512
83c68f3336fe310f3fbe81f426f13581298d1043cf7ed320201d370cbc5a9c31801c9618f82a056a1149ddf3a723614d0f097581bcf6af8e4a13ec711b6ba6da
ripemd-160
6f2b3838a65ed76667c9a9f7850c4707c73167c2
Diameter
26513122
Circumference
83293429.29893
Area
5.5209221320023E+14
Volume
9.7584588025517E+21
Surface area
2.2083688528009E+15
Circumference
83293429.29893
Perimeter
53026244
Area
175736409546721
Diagonal
18747608.356626
Surface area
1054418457280326
Volume
2.3296604330771E+21
Space diagonal
22961037.185636
Perimeter
39769683
Area
76096097518663
Altitude
11480518.592818
Surface area
76096097518663
Volume
2.7455311501513E+20
Height
6249202.7855421