205121997 (number)

205121997 is an odd 9-digits composite number following 205121996 and preceding 205121998. In scientific notation, it is written as 2.05121997 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 133567056 positive integers (up to 205121997) that are relatively prime to 205121997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.05121997 × 10^8
Engineering notation 2.05121997 × 10^6

Prime Factorization of 205121997

Prime Factorization 43 × 9 × 3 × 176677

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 205121997
Product of the distinct prime numbers

The prime factorization of 205121997 is 43 × 9 × 3 × 176677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 91, 67, 828, 753, 4940, 3325, 92297, 25688, 939018, 187180, 6330977, 6476862, 95382912, 45609013, 43060423, 545641537, 2778672021, 4680351563

Basic calculations (n = 205121997)

Multiplication

n×y
n×2 410243994
n×3 615365991
n×4 820487988
n×5 1025609985

Division

n÷y
n÷2 102560998.5
n÷3 68373999
n÷3 51280499.25
n÷5 41024399.4

Exponentiation

ny
n2 42075033653268009
n3 8.6305149268005E+24
n4 1.7703084569236E+33
n5 3.6312920599016E+41

Nth Root

y√n
2√n 14322.080749668
3√n 589.75379653773
4√n 119.67489607126
5√n 45.962373458762

Divisors of 205121997

1, 3, 9, 27, 43, 129, 387, 1161, 176677, 530031, 1590093, 4770279, 7597111, 22791333, 68373999, 205121997

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205121996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205121997 can be divided by 16 positive divisors. The sum of these divisors (counting 205121997) is 1, the average is 0.0625.

Base conversion 205121997

Base System Value
2 Binary 1100001110011110100111001101
3 Ternary 112021222021111000
4 Quaternary 30032132213031
5 Quinary 410002400442
6 Senary 32204250513
8 Octal 1416364715
10 Decimal 205121997
12 Duodecimal 58840a39
16 Hexadecimal c39e9cd
20 Vigesimal 34204jh
36 Base36 3e4h59

Cryptographic Hash Functions

md5 924e265ac6012cef05b1f45880604144
sha1 e3377cf2c21507487de51d9c44e17c56d2e2b42b
sha256 2098fb684ab6a0b963d21fe6491c1448d9320250627af999d9597b25b78d25ab
sha512 174f718b9348d0c6467a4102eb0deb4ab6f499c757d6cd821d092a59bd5cc75136e9a695c5b24b4719ff66ab61f141d652f6b6e24a215569efa27f1c3353e83b
ripemd-160 58165ec501d2501361ea06a977a238434b4f347d

205121997 as geometric shapes

Circle

Radius = n
Diameter 410243994
Circumference 1288819517.7297
Area 1.3218261662465E+17

Sphere

Radius = n
Volume 3.6151416387645E+25
Surface area 5.287304664986E+17
Circumference 1288819517.7297

Square

Length = n
Perimeter 820487988
Area 42075033653268009
Diagonal 290086310.09845

Cube

Length = n
Surface area 252450201919608054
Volume 8.6305149268005E+24
Space diagonal 355281720.55399

Equilateral Triangle

Length = n
Perimeter 615365991
Area 1.8219024004408E+16
Altitude 177640860.277

Triangular Pyramid

Length = n
Surface area 1.8219024004408E+16
Volume 1.0171159383121E+24
Height 96695436.699484