161809066 (number)

161809066 is an even 9-digits composite number following 161809065 and preceding 161809067. In scientific notation, it is written as 1.61809066 × 10^8. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 78146640 positive integers (up to 161809066) that are relatively prime to 161809066.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61809066 × 10^8
Engineering notation 1.61809066 × 10^6

Prime Factorization of 161809066

Prime Factorization 2 × 37 × 139 × 15731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161809066
Product of the distinct prime numbers

The prime factorization of 161809066 is 2 × 37 × 139 × 15731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161809066)

Multiplication

n×y
n×2 323618132
n×3 485427198
n×4 647236264
n×5 809045330

Division

n÷y
n÷2 80904533
n÷3 53936355.333333
n÷3 40452266.5
n÷5 32361813.2

Exponentiation

ny
n2 26182173839792356
n3 4.2365130948664E+24
n4 6.8550622697711E+32
n5 1.1092112232435E+41

Nth Root

y√n
2√n 12720.419254097
3√n 544.92192692477
4√n 112.78483609997
5√n 43.83293689251

Divisors of 161809066

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 -161809065
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 161809066 can be divided by 16 positive divisors. The sum of these divisors (counting 161809066) is 1, the average is 0.0625.

Base conversion 161809066

Base System Value
2 Binary 1001101001010000001010101010
3 Ternary 102021110202022101
4 Quaternary 21221100022222
5 Quinary 312410342231
6 Senary 24020044014
8 Octal 1151201252
10 Decimal 161809066
12 Duodecimal 4623360a
16 Hexadecimal 9a502aa
20 Vigesimal 2ab62d6
36 Base36 2oc4oa

Cryptographic Hash Functions

md5 d8973d6973b14b61e54965b99305fb9e
sha1 477c1ed34b0eaf06fc1d9b17455bf4efd9c3c5aa
sha256 acad8fc6cc45560ebf22837bf9038c31178f96d85d97a17b9be995370a3c84b8
sha512 d0a234b0f99db69eea3703817eb7061557056f3c12a8bef6a95ea6e4e91f729a8279cdb3cd895f9134dcc5aad59fa1de2c2a432c9b3a23fe9980f702415e149a
ripemd-160 9f4ac944be41714847cf1b758317003f2730ab47

161809066 as geometric shapes

Circle

Radius = n
Diameter 323618132
Circumference 1016676346.0597
Area 8.2253724990103E+16

Sphere

Radius = n
Volume 1.7745864554226E+25
Surface area 3.2901489996041E+17
Circumference 1016676346.0597

Square

Length = n
Perimeter 647236264
Area 26182173839792356
Diagonal 228832575.65212

Cube

Length = n
Surface area 157093043038754136
Volume 4.2365130948664E+24
Space diagonal 280261523.43727

Equilateral Triangle

Length = n
Perimeter 485427198
Area 1.133721383578E+16
Altitude 140130761.71863

Triangular Pyramid

Length = n
Surface area 1.133721383578E+16
Volume 4.9927785632761E+23
Height 76277525.217374