161009909 (number)

161009909 is an odd 9-digits composite number following 161009908 and preceding 161009910. In scientific notation, it is written as 1.61009909 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 158850720 positive integers (up to 161009909) that are relatively prime to 161009909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61009909 × 10^8
Engineering notation 1.61009909 × 10^6

Prime Factorization of 161009909

Prime Factorization 103 × 281 × 5563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161009909
Product of the distinct prime numbers

The prime factorization of 161009909 is 103 × 281 × 5563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161009909)

Multiplication

n×y
n×2 322019818
n×3 483029727
n×4 644039636
n×5 805049545

Division

n÷y
n÷2 80504954.5
n÷3 53669969.666667
n÷3 40252477.25
n÷5 32201981.8

Exponentiation

ny
n2 25924190796188281
n3 4.1740516009929E+24
n4 6.7206366843717E+32
n5 1.0820891009728E+41

Nth Root

y√n
2√n 12688.968003742
3√n 544.02334300966
4√n 112.64531949328
5√n 43.789553901037

Divisors of 161009909

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 -161009908
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 161009909 can be divided by 8 positive divisors. The sum of these divisors (counting 161009909) is 1, the average is 0.125.

Base conversion 161009909

Base System Value
2 Binary 1001100110001101000011110101
3 Ternary 102012222011001222
4 Quaternary 21212031003311
5 Quinary 312204304114
6 Senary 23551000125
8 Octal 1146150365
10 Decimal 161009909
12 Duodecimal 45b09045
16 Hexadecimal 998d0f5
20 Vigesimal 2a664f9
36 Base36 2nv01h

Cryptographic Hash Functions

md5 5994b7c46b691ec203dfc6330bea2638
sha1 a4061b43f5073909a280dfbf96f89c9442490f14
sha256 fa8cca81f31a26101a4e9ee220ae7b4b34c2646da690cc65dd917e57935bad4b
sha512 d2084aa437d064f711a65b80a84becfff0bdf957bbcc016410d905c995ed3b580f95be80dbb44ebb593d5db9c9487c0122709fdf19b274aa7435515a011cd419
ripemd-160 ccafc090905f8f8739ab0fbf9f4859ecf223b870

161009909 as geometric shapes

Circle

Radius = n
Diameter 322019818
Circumference 1011655094.5391
Area 8.1443247355565E+16

Sphere

Radius = n
Volume 1.7484226460512E+25
Surface area 3.2577298942226E+17
Circumference 1011655094.5391

Square

Length = n
Perimeter 644039636
Area 25924190796188281
Diagonal 227702396.98426

Cube

Length = n
Surface area 155545144777129686
Volume 4.1740516009929E+24
Space diagonal 278877342.91004

Equilateral Triangle

Length = n
Perimeter 483029727
Area 1.1225503901027E+16
Altitude 139438671.45502

Triangular Pyramid

Length = n
Surface area 1.1225503901027E+16
Volume 4.9191669868078E+23
Height 75900798.994753