15661982 (number)

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.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand nine hundred eighty-two

Notation

Scientific notation 1.5661982 × 10^7
Engineering notation 1.5661982 × 10^6

Prime Factorization of 15661982

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.

Most popular turbo-numbers

Basic calculations (n = 15661982)

Multiplication

n×y
n×2 31323964
n×3 46985946
n×4 62647928
n×5 78309910

Division

n÷y
n÷2 7830991
n÷3 5220660.6666667
n÷3 3915495.5
n÷5 3132396.4

Exponentiation

ny
n2 245297680168324
n3 3.841847851438E+21
n4 6.0170951895961E+28
n5 9.4239636551741E+35

Nth Root

y√n
2√n 3957.5222046124
3√n 250.19708192736
4√n 62.908840432902
5√n 27.477001921022

Divisors of 15661982

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 conversion 15661982

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

Cryptographic Hash Functions

md5 3a2284091a3ec814578e6efb0c406073
sha1 7f61ff5f8eb83e60c7e65d462b1072fb9834eaf2
sha256 3a681698333eac2734563ed05727acff979873a4e8072f7c22037355061b51de
sha512 30dec3387a541b0228f1b4cb9e1d80f8c02f4bf9ec452358f6ce2b14ddaeb685757eb1b0521d3251f6ca16833b5da3d8f857e8e9c0ae28cb5c38e2a4d740e7c2
ripemd-160 d785cd5db88dcfe4a2a527102e876ca25c68c477

15661982 as geometric shapes

Circle

Radius = n
Diameter 31323964
Circumference 98407135.183711
Area 7.7062538995943E+14

Sphere

Radius = n
Volume 1.6092694648383E+22
Surface area 3.0825015598377E+15
Circumference 98407135.183711

Square

Length = n
Perimeter 62647928
Area 245297680168324
Diagonal 22149387.358043

Cube

Length = n
Surface area 1471786081009944
Volume 3.841847851438E+21
Space diagonal 27127348.571229

Equilateral Triangle

Length = n
Perimeter 46985946
Area 1.0621701125758E+14
Altitude 13563674.285615

Triangular Pyramid

Length = n
Surface area 1.0621701125758E+14
Volume 4.527661113398E+20
Height 7383129.1193478