12561409 is an odd 8-digits composite number following 12561408
and preceding 12561410 . In scientific notation, it is written as 1.2561409 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10749840 positive integers (up to 12561409) that are relatively prime to 12561409.
12561409 has 8 divisors, whose sum is 14378688
The reverse of 12561409 is 90416521
Previous prime number is 1907
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million five hundred sixty-one thousand four hundred nine
Scientific notation
1.2561409 × 10^7
Engineering notation
1.2561409 × 10^6
Prime Factorization
7 × 1907 × 941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561409
Product of the distinct prime numbers
The prime factorization of 12561409 is 7 × 1907 × 941.
Since it has a total of 3 prime factors.
7 , 1 , 17 , 92 , 331 , 302 , 9256 , 8987 , 55481 , 56358 , 439528 , 948809 , 2074145 , 7627245 , 34538717 , 47154923 , 17181626 , 78386447 , 6751152759 , 6110247264
n×2
25122818
n×3
37684227
n×4
50245636
n×5
62807045
n÷2
6280704.5
n÷3
4187136.3333333
n÷3
3140352.25
n÷5
2512281.8
n2
157788996065281
n3
1.9820521152754E+21
n4
2.4897367279289E+28
n5
3.1274601341837E+35
2 √n
3544.2078099344
3 √n
232.45886812359
4 √n
59.533249616785
5 √n
26.291034271742
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
-12561408
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 12561409 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561409) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010110000000001
3
Ternary
212122012000101
4
Quaternary
233322300001
5
Quinary
11203431114
6
Senary
1125122401
8
Octal
57726001
10
Decimal
12561409
12
Duodecimal
4259401
16
Hexadecimal
bfac01
20
Vigesimal
3ia3a9
36
Base36
7h8g1
md5
5583a4b862fd3959d864792d00d1f9e5
sha1
46560d6cc542b6f4f637360fbe69b7fe7d291baf
sha256
b5257b0c73a1a03c57227c1a7c708c04a1233e6ce35133d3a74b0242ddf705d5
sha512
caead2d16bc67e13170ed341d29e00e9c8e21088bb705b7ac68c015c836d7c15ef9221806d7954afac382072686519b6181ea08ac4098dac56434cc5b492102f
ripemd-160
88250888fcbdde661b3ced884d0aeff87623dbc0
Diameter
25122818
Circumference
78925660.466273
Area
4.95708750856E+14
Volume
8.3024004858417E+21
Surface area
1.982835003424E+15
Circumference
78925660.466273
Perimeter
50245636
Area
157788996065281
Diagonal
17764514.970315
Surface area
946733976391686
Volume
1.9820521152754E+21
Space diagonal
21756998.602653
Perimeter
37684227
Area
68324639515088
Altitude
10878499.301326
Surface area
68324639515088
Volume
2.3358708189606E+20
Height
5921504.9901052