13865981 is an odd 8-digits composite number following 13865980
and preceding 13865982 . In scientific notation, it is written as 1.3865981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 13856700 positive integers (up to 13865981) that are relatively prime to 13865981.
13865981 has 4 divisors, whose sum is 13875264
The reverse of 13865981 is 18956831
Previous prime number is 1871
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirteen million eight hundred sixty-five thousand nine hundred eighty-one
Scientific notation
1.3865981 × 10^7
Engineering notation
1.3865981 × 10^6
Prime Factorization
1871 × 7411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13865981
Product of the distinct prime numbers
The prime factorization of 13865981 is 1871 × 7411.
Since it has a total of 2 prime factors.
10 , 4 , 72 , 67 , 187 , 825 , 1956 , 8306 , 58030 , 38471 , 489273 , 22031 , 761131 , 747187 , 20783287 , 15651504 , 650033164 , 368085389 , 7363888546 , 8191102149
n×2
27731962
n×3
41597943
n×4
55463924
n×5
69329905
n÷2
6932990.5
n÷3
4621993.6666667
n÷3
3466495.25
n÷5
2773196.2
n2
192265429092361
n3
2.6659487867515E+21
n4
3.696599522407E+28
n5
5.1256978742304E+35
2 √n
3723.7052783484
3 √n
240.24270008857
4 √n
61.022170383791
5 √n
26.815760623899
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13865980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13865981 can be divided by 4 positive divisors.
The sum of these divisors (counting 13865981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100111001001111111101
3
Ternary
222002110112212
4
Quaternary
310321033331
5
Quinary
12022202411
6
Senary
1213110205
8
Octal
64711775
10
Decimal
13865981
12
Duodecimal
4788365
16
Hexadecimal
d393fd
20
Vigesimal
46d4j1
36
Base36
89725
md5
4ba136a650933889ab162287d5d0207e
sha1
13455918d4f819ce8928f58acd6513c0ce0cc473
sha256
560cd5fb3e7900d78df6211e57e8720242db3ea24602891ec74e85577f906646
sha512
8c07f09ae03f4d928622e083d4057c47eb6ed2337ddf5ac0c24467272fdf183aa58a1aad2ad4e1ae7745fb829eeb8ecdea6edd351ab29ba6b6877207a4679670
ripemd-160
c30076d2ae0ddd1aab473b73c76d78943a457528
Diameter
27731962
Circumference
87122528.088831
Area
6.0401965957585E+14
Volume
1.1167100164407E+22
Surface area
2.4160786383034E+15
Circumference
87122528.088831
Perimeter
55463924
Area
192265429092361
Diagonal
19609458.385808
Surface area
1153592574554166
Volume
2.6659487867515E+21
Space diagonal
24016583.588785
Perimeter
41597943
Area
83253372931750
Altitude
12008291.794392
Surface area
83253372931750
Volume
3.1418507756801E+20
Height
6536486.1286026