15661982 is an even 8-digits composite number following 15661981
and preceding 15661983 . In scientific notation, it is written as 1.5661982 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 6712272 positive integers (up to 15661982) that are relatively prime to 15661982.
15661982 has 8 divisors, whose sum is 26849136
The reverse of 15661982 is 28916651
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
fifteen million six hundred sixty-one thousand nine hundred eighty-two
Scientific notation
1.5661982 × 10^7
Engineering notation
1.5661982 × 10^6
Prime Factorization
2 × 7 × 1118713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15661982
Product of the distinct prime numbers
The prime factorization of 15661982 is 2 × 7 × 1118713.
Since it has a total of 3 prime factors.
5 , 1 , 27 , 14 , 9 , 885 , 5917 , 327 , 40789 , 91461 , 374934 , 433280 , 1067091 , 1202748 , 54575516 , 4892213 , 755407459 , 16726363 , 2140936218 , 9157478176
n×2
31323964
n×3
46985946
n×4
62647928
n×5
78309910
n÷2
7830991
n÷3
5220660.6666667
n÷3
3915495.5
n÷5
3132396.4
n2
245297680168324
n3
3.841847851438E+21
n4
6.0170951895961E+28
n5
9.4239636551741E+35
2 √n
3957.5222046124
3 √n
250.19708192736
4 √n
62.908840432902
5 √n
27.477001921022
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
-15661981
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 15661982 can be divided by 8 positive divisors.
The sum of these divisors (counting 15661982) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011101111101110011110
3
Ternary
1002110201012102
4
Quaternary
323233232132
5
Quinary
13002140412
6
Senary
1315405102
8
Octal
73575636
10
Decimal
15661982
12
Duodecimal
52b3792
16
Hexadecimal
eefb9e
20
Vigesimal
4hhej2
36
Base36
9bov2
md5
3a2284091a3ec814578e6efb0c406073
sha1
7f61ff5f8eb83e60c7e65d462b1072fb9834eaf2
sha256
3a681698333eac2734563ed05727acff979873a4e8072f7c22037355061b51de
sha512
30dec3387a541b0228f1b4cb9e1d80f8c02f4bf9ec452358f6ce2b14ddaeb685757eb1b0521d3251f6ca16833b5da3d8f857e8e9c0ae28cb5c38e2a4d740e7c2
ripemd-160
d785cd5db88dcfe4a2a527102e876ca25c68c477
Diameter
31323964
Circumference
98407135.183711
Area
7.7062538995943E+14
Volume
1.6092694648383E+22
Surface area
3.0825015598377E+15
Circumference
98407135.183711
Perimeter
62647928
Area
245297680168324
Diagonal
22149387.358043
Surface area
1471786081009944
Volume
3.841847851438E+21
Space diagonal
27127348.571229
Perimeter
46985946
Area
1.0621701125758E+14
Altitude
13563674.285615
Surface area
1.0621701125758E+14
Volume
4.527661113398E+20
Height
7383129.1193478