163945 (number)

163945 is an odd 6-digits composite number following 163944 and preceding 163946. In scientific notation, it is written as 1.63945 × 10^5. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 131152 positive integers (up to 163945) that are relatively prime to 163945.

Interesting facts

Basic properties

Name

Name one hundred sixty-three thousand nine hundred forty-five

Notation

Scientific notation 1.63945 × 10^5
Engineering notation 1.63945 × 10^3

Prime Factorization of 163945

Prime Factorization 5 × 32789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 163945
Product of the distinct prime numbers

The prime factorization of 163945 is 5 × 32789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 163945)

Multiplication

n×y
n×2 327890
n×3 491835
n×4 655780
n×5 819725

Division

n÷y
n÷2 81972.5
n÷3 54648.333333333
n÷3 40986.25
n÷5 32789

Exponentiation

ny
n2 26877963025
n3 4406507648133625
n4 7.2242489637327E+20
n5 1.1843794963592E+26

Nth Root

y√n
2√n 404.90122252223
3√n 54.730917086139
4√n 20.122157501675
5√n 11.039251691018

Divisors of 163945

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 -163944
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 163945 can be divided by 4 positive divisors. The sum of these divisors (counting 163945) is 1, the average is 0.25.

Base conversion 163945

Base System Value
2 Binary 101000000001101001
3 Ternary 22022220001
4 Quaternary 220001221
5 Quinary 20221240
6 Senary 3303001
8 Octal 500151
10 Decimal 163945
12 Duodecimal 7aa61
16 Hexadecimal 28069
20 Vigesimal 109h5
36 Base36 3ii1

Cryptographic Hash Functions

md5 ff65cd89c0466d65eb430cc9dd5db2ca
sha1 4e03659abdb5384c18066d026cbcf2700fc49344
sha256 c1663022d85236ad2ba98c6f493dfccb0eef60fbf92947d6a7444edfa7087563
sha512 c6586765e351040bc41adced121b98e33b9e29af2e307c5f44d0a202628e8b86f627f81e0b24467c28825d212129ec6643d4487746c8b8653254d39cf25574dd
ripemd-160 ad7e6946c7f9f22e81e1c2bee6c87224ef79b48b

163945 as geometric shapes

Circle

Radius = n
Diameter 327890
Circumference 1030096.8151856
Area 84439611182.798

Sphere

Radius = n
Volume 1.8457936073818E+16
Surface area 337758444731.19
Circumference 1030096.8151856

Square

Length = n
Perimeter 655780
Area 26877963025
Diagonal 231853.24248326

Cube

Length = n
Surface area 161267778150
Volume 4406507648133625
Space diagonal 283961.06964688

Equilateral Triangle

Length = n
Perimeter 491835
Area 11638499390.814
Altitude 141980.53482344

Triangular Pyramid

Length = n
Surface area 11638499390.814
Volume 5.1931190655761E+14
Height 77284.414161086