12561942 is an even 8-digits composite number following 12561941
and preceding 12561943 . In scientific notation, it is written as 1.2561942 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 4173312 positive integers (up to 12561942) that are relatively prime to 12561942.
12561942 has 16 divisors, whose sum is 25207920
The reverse of 12561942 is 24916521
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred sixty-one thousand nine hundred forty-two
Scientific notation
1.2561942 × 10^7
Engineering notation
1.2561942 × 10^6
Prime Factorization
2 × 3 × 313 × 6689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561942
Product of the distinct prime numbers
The prime factorization of 12561942 is 2 × 3 × 313 × 6689.
Since it has a total of 4 prime factors.
4 , 7 , 19 , 78 , 84 , 530 , 1741 , 2640 , 25589 , 63080 , 125979 , 788066 , 7356933 , 8222290 , 95423434 , 12683601 , 269123767 , 77162149 , 5707177692 , 2176383460
n×2
25123884
n×3
37685826
n×4
50247768
n×5
62809710
n÷2
6280971
n÷3
4187314
n÷3
3140485.5
n÷5
2512388.4
n2
157802386811364
n3
1.9823044305859E+21
n4
2.4901593283363E+28
n5
3.128123705332E+35
2 √n
3544.2830022446
3 √n
232.46215594012
4 √n
59.533881128687
5 √n
26.2912573818
1 , 2 , 3 , 6 , 313 , 626 , 939 , 1878 , 6689 , 13378 , 20067 , 40134 , 2093657 , 4187314 , 6280971 , 12561942
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
-12561941
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 12561942 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010111000010110
3
Ternary
212122012202010
4
Quaternary
233322320112
5
Quinary
11203440232
6
Senary
1125125050
8
Octal
57727026
10
Decimal
12561942
12
Duodecimal
4259786
16
Hexadecimal
bfae16
20
Vigesimal
3ia4h2
36
Base36
7h8uu
md5
35b9f2085a0776829c5799aa188b6fa8
sha1
4446857b479d1c2741c4ff592e06051e0833a405
sha256
ec8015c4248184e3b99c0b0e1180068dbca6cd89212b757bfc1485044b2af21a
sha512
8068668a00dc4381051a5e5d6cd88b9a0c777ecc147f78be931ad5020b8f9f2e61f4c6fc415065a39a99a7160391b56f8da2fa06df14890eba04081c4b365543
ripemd-160
1a0b2c356ce646b000621a1d1717b7a129b51f41
Diameter
25123884
Circumference
78929009.404042
Area
4.9575081912552E+14
Volume
8.303457381743E+21
Surface area
1.9830032765021E+15
Circumference
78929009.404042
Perimeter
50247768
Area
157802386811364
Diagonal
17765268.746144
Surface area
946814320868184
Volume
1.9823044305859E+21
Space diagonal
21757921.785733
Perimeter
37685826
Area
68330437878230
Altitude
10878960.892867
Surface area
68330437878230
Volume
2.3361681754057E+20
Height
5921756.2487147