12561939 is an odd 8-digits composite number following 12561938
and preceding 12561940 . In scientific notation, it is written as 1.2561939 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 7727616 positive integers (up to 12561939) that are relatively prime to 12561939.
12561939 has 16 divisors, whose sum is 18727200
The reverse of 12561939 is 93916521
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million five hundred sixty-one thousand nine hundred thirty-nine
Scientific notation
1.2561939 × 10^7
Engineering notation
1.2561939 × 10^6
Prime Factorization
3 × 169 × 3 × 3 × 2753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1395771
Product of the distinct prime numbers
The prime factorization of 12561939 is 3 × 169 × 3 × 3 × 2753.
Since it has a total of 5 prime factors.
3 , 8 , 38 , 34 , 939 , 243 , 4335 , 7688 , 42845 , 25114 , 131061 , 891461 , 5725798 , 8170976 , 17607840 , 74817502 , 441829225 , 911281622 , 8957309154 , 1011417189
n×2
25123878
n×3
37685817
n×4
50247756
n×5
62809695
n÷2
6280969.5
n÷3
4187313
n÷3
3140484.75
n÷5
2512387.8
n2
157802311439721
n3
1.9823030103648E+21
n4
2.4901569495719E+28
n5
3.1281199700948E+35
2 √n
3544.2825790278
3 √n
232.46213743484
4 √n
59.533877574267
5 √n
26.291256126042
1 , 3 , 9 , 27 , 169 , 507 , 1521 , 2753 , 4563 , 8259 , 24777 , 74331 , 465257 , 1395771 , 4187313 , 12561939
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
-12561938
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 12561939 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010111000010011
3
Ternary
212122012202000
4
Quaternary
233322320103
5
Quinary
11203440224
6
Senary
1125125043
8
Octal
57727023
10
Decimal
12561939
12
Duodecimal
4259783
16
Hexadecimal
bfae13
20
Vigesimal
3ia4gj
36
Base36
7h8ur
md5
4f9862bb0fb323d6c98dfe651fbcb859
sha1
fe90b91a3add1af5856f84184735c3fc7f26111e
sha256
23a61783615033a7d5984c4cfdc65dc0c7333c427472e32a66e9f1eed6673835
sha512
96ef3febfe3d22eb4d846db5c480b63651a3f260561d51239ba8e2db52773b662a3e00ba6b9ce35fe1669c511ac24897f98e2f7e8ada9e3634c895b86dc1816f
ripemd-160
09832bd7383990cd45f367e3ea1bff30c8755d98
Diameter
25123878
Circumference
78928990.554486
Area
4.9575058233852E+14
Volume
8.3034514327346E+21
Surface area
1.9830023293541E+15
Circumference
78928990.554486
Perimeter
50247756
Area
157802311439721
Diagonal
17765264.503504
Surface area
946813868638326
Volume
1.9823030103648E+21
Space diagonal
21757916.589581
Perimeter
37685817
Area
68330405241351
Altitude
10878958.29479
Surface area
68330405241351
Volume
2.3361665016591E+20
Height
5921754.8345012