205121998 (number)

205121998 is an even 9-digits composite number following 205121997 and preceding 205121999. In scientific notation, it is written as 2.05121998 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 102560998 positive integers (up to 205121998) that are relatively prime to 205121998.

Interesting facts

Basic properties

Name

Name two hundred five million one hundred twenty-one thousand nine hundred ninety-eight

Notation

Scientific notation 2.05121998 × 10^8
Engineering notation 2.05121998 × 10^6

Prime Factorization of 205121998

Prime Factorization 2 × 102560999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 205121998
Product of the distinct prime numbers

The prime factorization of 205121998 is 2 × 102560999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 14, 29, 658, 637, 6826, 5112, 84031, 24933, 315931, 206023, 6753851, 831950, 46189036, 26177865, 714563295, 914769877, 2414717237, 1222055829

Basic calculations (n = 205121998)

Multiplication

n×y
n×2 410243996
n×3 615365994
n×4 820487992
n×5 1025609990

Division

n÷y
n÷2 102560999
n÷3 68373999.333333
n÷3 51280499.5
n÷5 41024399.6

Exponentiation

ny
n2 42075034063512004
n3 8.6305150530256E+24
n4 1.7703084914457E+33
n5 3.6312921484171E+41

Nth Root

y√n
2√n 14322.080784579
3√n 589.7537974961
4√n 119.67489621712
5√n 45.962373503577

Divisors of 205121998

1, 2, 102560999, 205121998

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 -205121997
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 205121998 can be divided by 4 positive divisors. The sum of these divisors (counting 205121998) is 1, the average is 0.25.

Base conversion 205121998

Base System Value
2 Binary 1100001110011110100111001110
3 Ternary 112021222021111001
4 Quaternary 30032132213032
5 Quinary 410002400443
6 Senary 32204250514
8 Octal 1416364716
10 Decimal 205121998
12 Duodecimal 58840a3a
16 Hexadecimal c39e9ce
20 Vigesimal 34204ji
36 Base36 3e4h5a

Cryptographic Hash Functions

md5 208a3d18fc8c1881e7897102863ee089
sha1 66805c89b47aea6ad696178e6d8d84f615d90e19
sha256 7079cc26901516502bf938c61854c8fc6c2e44c73361fd7150a964cc1dad38a7
sha512 3828be4332975e8e3dd10d99b1fb65fbcf53c244ef50034e815bd1ed15a1208c4bf80d8edc7f9995550e62f8de10e1f9799ee7b90795549be2e86ba14795706c
ripemd-160 1b1f5200f29ab97e56fd5b5bf6bc9ba60cb48ce3

205121998 as geometric shapes

Circle

Radius = n
Diameter 410243996
Circumference 1288819524.0129
Area 1.3218261791347E+17

Sphere

Radius = n
Volume 3.6151416916375E+25
Surface area 5.2873047165388E+17
Circumference 1288819524.0129

Square

Length = n
Perimeter 820487992
Area 42075034063512004
Diagonal 290086311.51267

Cube

Length = n
Surface area 252450204381072024
Volume 8.6305150530256E+24
Space diagonal 355281722.28604

Equilateral Triangle

Length = n
Perimeter 615365994
Area 1.8219024182048E+16
Altitude 177640861.14302

Triangular Pyramid

Length = n
Surface area 1.8219024182048E+16
Volume 1.0171159531878E+24
Height 96695437.170889