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.
163945961 has 8 divisors, whose sum is 170466120
The reverse of 163945961 is 169549361
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty-three million nine hundred forty-five thousand nine hundred sixty-one
Scientific notation
1.63945961 × 10^8
Engineering notation
1.63945961 × 10^6
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.
4 , 4 , 47 , 100 , 803 , 93 , 8170 , 4558 , 91050 , 52323 , 312278 , 24518 , 8279349 , 1407913 , 44110031 , 15375951 , 812846845 , 78753672 , 9952939233 , 5260657879
n×2
327891922
n×3
491837883
n×4
655783844
n×5
819729805
n÷2
81972980.5
n÷3
54648653.666667
n÷3
40986490.25
n÷5
32789192.2
n2
26878278128213521
n3
4.4065851377552E+24
n4
7.224418351376E+32
n5
1.1844142092824E+41
2 √n
12804.138432554
3 √n
547.31024025069
4 √n
113.15537297254
5 √n
43.948104079523
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
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
md5
b2c2d71668d4505e6ea0f846126ed082
sha1
ed25506d6784e16f3f0db9740039dfe871cd34e6
sha256
fe549f825e308a053ae9f132681c62dfba13ab140de9a147a5e921c71a87db24
sha512
9c343322862f00ad198703cfedf91606f77357dcdffa6a5565afda509f122212daad18452478c83aba59302dc589b3e3b36b70b6cd0ea790d027e5357a9d6d71
ripemd-160
0e001d033b7201620d5583326d3481680516a482
Diameter
327891922
Circumference
1030102853.3266
Area
8.4440601108739E+16
Volume
1.8458260661586E+25
Surface area
3.3776240443496E+17
Circumference
1030102853.3266
Perimeter
655783844
Area
26878278128213521
Diagonal
231854601.54249
Surface area
161269668769281126
Volume
4.4065851377552E+24
Space diagonal
283962734.14771
Perimeter
491837883
Area
1.1638635834508E+16
Altitude
141981367.07385
Surface area
1.1638635834508E+16
Volume
5.193210387971E+23
Height
77284867.18083