161946 (number)

161946 is an even 6-digits composite number following 161945 and preceding 161947. In scientific notation, it is written as 1.61946 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 53964 positive integers (up to 161946) that are relatively prime to 161946.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand nine hundred forty-six

Notation

Scientific notation 1.61946 × 10^5
Engineering notation 1.61946 × 10^3

Prime Factorization of 161946

Prime Factorization 2 × 9 × 3 × 2999

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161946
Product of the distinct prime numbers

The prime factorization of 161946 is 2 × 9 × 3 × 2999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161946)

Multiplication

n×y
n×2 323892
n×3 485838
n×4 647784
n×5 809730

Division

n÷y
n÷2 80973
n÷3 53982
n÷3 40486.5
n÷5 32389.2

Exponentiation

ny
n2 26226506916
n3 4247277889018536
n4 6.87829665015E+20
n5 1.1139126293052E+26

Nth Root

y√n
2√n 402.42514831954
3√n 54.507560043189
4√n 20.060537089508
5√n 11.012198854094

Divisors of 161946

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 -161945
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 161946 can be divided by 16 positive divisors. The sum of these divisors (counting 161946) is 1, the average is 0.0625.

Base conversion 161946

Base System Value
2 Binary 100111100010011010
3 Ternary 22020011000
4 Quaternary 213202122
5 Quinary 20140241
6 Senary 3245430
8 Octal 474232
10 Decimal 161946
12 Duodecimal 79876
16 Hexadecimal 2789a
20 Vigesimal 104h6
36 Base36 3gyi

Cryptographic Hash Functions

md5 75ec93e989ae36727615dbea4ceaead4
sha1 9c3ccbab746ab75738a9956781c5fafb0399993e
sha256 e6409225317aa39d19d4489ffc36a1c9db2704d66461e4c4c037dc9a3c6281aa
sha512 7565a2c94c7e82b894b74c858c0a9c5fe4fa8c215a765633b2109b3bc23e57d8c6526ba423fc55150cd49116301d04018f9b333e9b023510c3c456fd92d7a517
ripemd-160 b60d06a8e472460ac1355cc09e15ad96fbef6436

161946 as geometric shapes

Circle

Radius = n
Diameter 323892
Circumference 1017536.7277565
Area 82393001456.628

Sphere

Radius = n
Volume 1.7790956018527E+16
Surface area 329572005826.51
Circumference 1017536.7277565

Square

Length = n
Perimeter 647784
Area 26226506916
Diagonal 229026.22957207

Cube

Length = n
Surface area 157359041496
Volume 4247277889018536
Space diagonal 280498.70008255

Equilateral Triangle

Length = n
Perimeter 485838
Area 11356410620.892
Altitude 140249.35004127

Triangular Pyramid

Length = n
Surface area 11356410620.892
Volume 5.0054649948478E+14
Height 76342.076524024