163945961 (number)

163945961 is an odd 9-digits composite number following 163945960 and preceding 163945962. In scientific notation, it is written as 1.63945961 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 157483648 positive integers (up to 163945961) that are relatively prime to 163945961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.63945961 × 10^8
Engineering notation 1.63945961 × 10^6

Prime Factorization of 163945961

Prime Factorization 29 × 197 × 28697

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 163945961
Product of the distinct prime numbers

The prime factorization of 163945961 is 29 × 197 × 28697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 163945961)

Multiplication

n×y
n×2 327891922
n×3 491837883
n×4 655783844
n×5 819729805

Division

n÷y
n÷2 81972980.5
n÷3 54648653.666667
n÷3 40986490.25
n÷5 32789192.2

Exponentiation

ny
n2 26878278128213521
n3 4.4065851377552E+24
n4 7.224418351376E+32
n5 1.1844142092824E+41

Nth Root

y√n
2√n 12804.138432554
3√n 547.31024025069
4√n 113.15537297254
5√n 43.948104079523

Divisors of 163945961

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 -163945960
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 163945961 can be divided by 8 positive divisors. The sum of these divisors (counting 163945961) is 1, the average is 0.125.

Base conversion 163945961

Base System Value
2 Binary 1001110001011001110111101001
3 Ternary 102102111022120122
4 Quaternary 21301121313221
5 Quinary 313432232321
6 Senary 24133533025
8 Octal 1161316751
10 Decimal 163945961
12 Duodecimal 46aa4175
16 Hexadecimal 9c59de9
20 Vigesimal 2b4d4i1
36 Base36 2plxih

Cryptographic Hash Functions

md5 b2c2d71668d4505e6ea0f846126ed082
sha1 ed25506d6784e16f3f0db9740039dfe871cd34e6
sha256 fe549f825e308a053ae9f132681c62dfba13ab140de9a147a5e921c71a87db24
sha512 9c343322862f00ad198703cfedf91606f77357dcdffa6a5565afda509f122212daad18452478c83aba59302dc589b3e3b36b70b6cd0ea790d027e5357a9d6d71
ripemd-160 0e001d033b7201620d5583326d3481680516a482

163945961 as geometric shapes

Circle

Radius = n
Diameter 327891922
Circumference 1030102853.3266
Area 8.4440601108739E+16

Sphere

Radius = n
Volume 1.8458260661586E+25
Surface area 3.3776240443496E+17
Circumference 1030102853.3266

Square

Length = n
Perimeter 655783844
Area 26878278128213521
Diagonal 231854601.54249

Cube

Length = n
Surface area 161269668769281126
Volume 4.4065851377552E+24
Space diagonal 283962734.14771

Equilateral Triangle

Length = n
Perimeter 491837883
Area 1.1638635834508E+16
Altitude 141981367.07385

Triangular Pyramid

Length = n
Surface area 1.1638635834508E+16
Volume 5.193210387971E+23
Height 77284867.18083