161908 (number)

161908 is an even 6-digits composite number following 161907 and preceding 161909. In scientific notation, it is written as 1.61908 × 10^5. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 76160 positive integers (up to 161908) that are relatively prime to 161908.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand nine hundred eight

Notation

Scientific notation 1.61908 × 10^5
Engineering notation 1.61908 × 10^3

Prime Factorization of 161908

Prime Factorization 2 × 2 × 17 × 2381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80954
Product of the distinct prime numbers

The prime factorization of 161908 is 2 × 2 × 17 × 2381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161908)

Multiplication

n×y
n×2 323816
n×3 485724
n×4 647632
n×5 809540

Division

n÷y
n÷2 80954
n÷3 53969.333333333
n÷3 40477
n÷5 32381.6

Exponentiation

ny
n2 26214200464
n3 4244288768725312
n4 6.8718430596678E+20
n5 1.1126063661047E+26

Nth Root

y√n
2√n 402.37793180044
3√n 54.503296380591
4√n 20.059360204165
5√n 11.011682011642

Divisors of 161908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161908 can be divided by 12 positive divisors. The sum of these divisors (counting 161908) is 1, the average is 0.083333333333333.

Base conversion 161908

Base System Value
2 Binary 100111100001110100
3 Ternary 22020002121
4 Quaternary 213201310
5 Quinary 20140113
6 Senary 3245324
8 Octal 474164
10 Decimal 161908
12 Duodecimal 79844
16 Hexadecimal 27874
20 Vigesimal 104f8
36 Base36 3gxg

Cryptographic Hash Functions

md5 35c5137b9ec26f8256134d0da7f69ec1
sha1 96db157f1f5166df0a610a14c41f9677234f6917
sha256 74bee2a4f1532a068d42514562301cb64077a1c1a2bb9a280561b35106588d98
sha512 d8671d0b20f8116244b2488102409abd367f93cb5b080b1486dc428755679156726c83a24b89227ea725dcd767e69e8426cb9ce10d49761b1766a8294f413865
ripemd-160 28ce6de88cc0238ffb1b18ffdeebc09f0f5cee33

161908 as geometric shapes

Circle

Radius = n
Diameter 323816
Circumference 1017297.9667148
Area 82354339597.433

Sphere

Radius = n
Volume 1.7778435220721E+16
Surface area 329417358389.73
Circumference 1017297.9667148

Square

Length = n
Perimeter 647632
Area 26214200464
Diagonal 228972.4894567

Cube

Length = n
Surface area 157285202784
Volume 4244288768725312
Space diagonal 280432.88215186

Equilateral Triangle

Length = n
Perimeter 485724
Area 11351081770.861
Altitude 140216.44107593

Triangular Pyramid

Length = n
Surface area 11351081770.861
Volume 5.0019422827993E+14
Height 76324.163152234