12561638 is an even 8-digits composite number following 12561637
and preceding 12561639 . In scientific notation, it is written as 1.2561638 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 6210160 positive integers (up to 12561638) that are relatively prime to 12561638.
12561638 has 8 divisors, whose sum is 19054440
The reverse of 12561638 is 83616521
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million five hundred sixty-one thousand six hundred thirty-eight
Scientific notation
1.2561638 × 10^7
Engineering notation
1.2561638 × 10^6
Prime Factorization
2 × 89 × 70571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12561638
Product of the distinct prime numbers
The prime factorization of 12561638 is 2 × 89 × 70571.
Since it has a total of 3 prime factors.
6 , 6 , 9 , 60 , 890 , 197 , 9976 , 2197 , 1724 , 84249 , 325966 , 232690 , 9029774 , 8893559 , 17240238 , 81148509 , 634083853 , 262503834 , 5126093078 , 1040741136
n×2
25123276
n×3
37684914
n×4
50246552
n×5
62808190
n÷2
6280819
n÷3
4187212.6666667
n÷3
3140409.5
n÷5
2512327.6
n2
157794749243044
n3
1.9821605182919E+21
n4
2.4899182888675E+28
n5
3.1277452194333E+35
2 √n
3544.2401160192
3 √n
232.46028072407
4 √n
59.533520944248
5 √n
26.291130130462
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
-12561637
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 12561638 can be divided by 8 positive divisors.
The sum of these divisors (counting 12561638) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111010110011100110
3
Ternary
212122012022212
4
Quaternary
233322303212
5
Quinary
11203433023
6
Senary
1125123422
8
Octal
57726346
10
Decimal
12561638
12
Duodecimal
4259572
16
Hexadecimal
bface6
20
Vigesimal
3ia41i
36
Base36
7h8me
md5
b9e0b52d9fc6af02ad279349a3574a05
sha1
151aaabeb408b88f34db1bf190d559b49bfde07e
sha256
931394c6d8096bf947c1dd507df128b61074daec70ba03a6072c4d19c0897a5e
sha512
981ee18dbdac11f0c3d06e42cbabe04dc00092141a20f9e76b7574e5e096b73f3afffb3fad943ce8b86d0febcadcc1d81f889bc77818b36f40b9c5d2046de068
ripemd-160
15cf40d330a8205cb1116cf079eb6ba9e926a48e
Diameter
25123276
Circumference
78927099.315709
Area
4.9572682499699E+14
Volume
8.3028545633354E+21
Surface area
1.982907299988E+15
Circumference
78927099.315709
Perimeter
50246552
Area
157794749243044
Diagonal
17764838.825221
Surface area
946768495458264
Volume
1.9821605182919E+21
Space diagonal
21757395.242288
Perimeter
37684914
Area
68327130714136
Altitude
10878697.621144
Surface area
68327130714136
Volume
2.3359985731407E+20
Height
5921612.9417404