12561621 is an odd 8-digits composite number following 12561620
and preceding 12561622 . In scientific notation, it is written as 1.2561621 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 8052480 positive integers (up to 12561621) that are relatively prime to 12561621.
12561621 has 16 divisors, whose sum is 17404800
The reverse of 12561621 is 12616521
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twelve million five hundred sixty-one thousand six hundred twenty-one
Scientific notation
1.2561621 × 10^7
Engineering notation
1.2561621 × 10^6
Prime Factorization
3 × 73 × 41 × 1399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561621
Product of the distinct prime numbers
The prime factorization of 12561621 is 3 × 73 × 41 × 1399.
Since it has a total of 4 prime factors.
6 , 10 , 37 , 26 , 479 , 836 , 3102 , 4848 , 27890 , 87388 , 536261 , 469462 , 3056742 , 4013963 , 46106350 , 86226764 , 402338930 , 975506563 , 4576417835 , 196199423
n×2
25123242
n×3
37684863
n×4
50246484
n×5
62808105
n÷2
6280810.5
n÷3
4187207
n÷3
3140405.25
n÷5
2512324.2
n2
157794322147641
n3
1.9821524707706E+21
n4
2.4899048102034E+28
n5
3.1277240551851E+35
2 √n
3544.237717761
3 √n
232.46017585913
4 √n
59.533500802162
5 √n
26.291123014361
1 , 3 , 41 , 73 , 123 , 219 , 1399 , 2993 , 4197 , 8979 , 57359 , 102127 , 172077 , 306381 , 4187207 , 12561621
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
-12561620
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 12561621 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010110011010101
3
Ternary
212122012022020
4
Quaternary
233322303111
5
Quinary
11203432441
6
Senary
1125123353
8
Octal
57726325
10
Decimal
12561621
12
Duodecimal
4259559
16
Hexadecimal
bfacd5
20
Vigesimal
3ia411
36
Base36
7h8lx
md5
b5fd5cac0a4b64cb18b520d7746e8463
sha1
441dddb655bc4a453730564d61332f0995379ab9
sha256
1612efbca60770d9900f3eea19772a99cf884bbfb9192bf89fe0efa930db10da
sha512
d061eb2124281cf4c7603c334f55751d882782f68bd09f69ca6268fc6464d3a6aeec2809a9ecac6a5a9cf4b0a8f20d3a58976b59d26e4f7da7b3295455dcdb86
ripemd-160
fdc25f90a0727a0e1d9abadebc188c44a64a456a
Diameter
25123242
Circumference
78926992.501559
Area
4.9572548323721E+14
Volume
8.3028208539569E+21
Surface area
1.9829019329488E+15
Circumference
78926992.501559
Perimeter
50246484
Area
157794322147641
Diagonal
17764814.783591
Surface area
946765932885846
Volume
1.9821524707706E+21
Space diagonal
21757365.797424
Perimeter
37684863
Area
68326945776401
Altitude
10878682.898712
Surface area
68326945776401
Volume
2.3359890890459E+20
Height
5921604.9278636