205161009 (number)

205161009 is an odd 9-digits composite number following 205161008 and preceding 205161010. In scientific notation, it is written as 2.05161009 × 10^8. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 136774004 positive integers (up to 205161009) that are relatively prime to 205161009.

Interesting facts

Basic properties

Name

Name two hundred five million one hundred sixty-one thousand nine

Notation

Scientific notation 2.05161009 × 10^8
Engineering notation 2.05161009 × 10^6

Prime Factorization of 205161009

Prime Factorization 3 × 68387003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 205161009
Product of the distinct prime numbers

The prime factorization of 205161009 is 3 × 68387003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 74, 66, 346, 443, 8254, 7546, 97701, 21128, 517418, 847666, 4035533, 1067751, 53407665, 90709595, 184219909, 395460421, 7005778280, 1728896711

Basic calculations (n = 205161009)

Multiplication

n×y
n×2 410322018
n×3 615483027
n×4 820644036
n×5 1025805045

Division

n÷y
n÷2 102580504.5
n÷3 68387003
n÷3 51290252.25
n÷5 41032201.8

Exponentiation

ny
n2 42091039613898081
n3 8.6354401570463E+24
n4 1.7716556157787E+33
n5 3.6347465373368E+41

Nth Root

y√n
2√n 14323.442637858
3√n 589.79118244629
4√n 119.68058588534
5√n 45.964121635696

Divisors of 205161009

1, 3, 68387003, 205161009

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 -205161008
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 205161009 can be divided by 4 positive divisors. The sum of these divisors (counting 205161009) is 1, the average is 0.25.

Base conversion 205161009

Base System Value
2 Binary 1100001110101000001000110001
3 Ternary 112022001020222220
4 Quaternary 30032220020301
5 Quinary 410010123014
6 Senary 32205151253
8 Octal 1416501061
10 Decimal 205161009
12 Duodecimal 5885b529
16 Hexadecimal c3a8231
20 Vigesimal 34252a9
36 Base36 3e5b8x

Cryptographic Hash Functions

md5 65269f242277ec8f68f039c6bc5745ee
sha1 12358aa56a730c149239c8c5901c14d4b81a428a
sha256 1aa4475355c22214e8e543727e3f44705e8067c059364a342fa74d81698d86d4
sha512 ef920245b954058f9e766feb47491459ad37c83dc5c5f5a86e3b75b1c9392aecbfd2d02169dcc7f49690bb6d5ccab67b6fd734c62035c26e2ffbbc95eb149892
ripemd-160 a37b64500ce8b002e61e73d5f23621010eda6912

205161009 as geometric shapes

Circle

Radius = n
Diameter 410322018
Circumference 1289064637.3549
Area 1.3223290083298E+17

Sphere

Radius = n
Volume 3.6172047143855E+25
Surface area 5.2893160333192E+17
Circumference 1289064637.3549

Square

Length = n
Perimeter 820644036
Area 42091039613898081
Diagonal 290141481.39795

Cube

Length = n
Surface area 252546237683388486
Volume 8.6354401570463E+24
Space diagonal 355349291.3201

Equilateral Triangle

Length = n
Perimeter 615483027
Area 1.8225954788666E+16
Altitude 177674645.66005

Triangular Pyramid

Length = n
Surface area 1.8225954788666E+16
Volume 1.017696382263E+24
Height 96713827.13265