171 is an odd 3-digits composite number following 170
and preceding 172 . In scientific notation, it is written as 1.71 × 10^2.
The sum of its digits is 9. It has a total of 2 prime factors and 4 positive divisors.
There are 108 positive integers (up to 171) that are relatively prime to 171.
171 has 4 divisors, whose sum is 200
The reverse of 171 is 171
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 9
Digital Root 9
Name
one hundred seventy-one
Scientific notation
1.71 × 10^2
Engineering notation
1.71 × 10^0
Prime Factorization
9 × 19
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
171
Product of the distinct prime numbers
The prime factorization of 171 is 9 × 19.
Since it has a total of 2 prime factors.
10 , 4 , 93 , 72 , 955 , 236 , 7720 , 7820 , 73990 , 78293 , 209130 , 974380 , 9457271 , 4088651 , 88133980 , 56757283 , 415532890 , 617035723 , 1048241760 , 5201249390
n×2
342
n×3
513
n×4
684
n×5
855
n÷2
85.5
n÷3
57
n÷3
42.75
n÷5
34.2
n2
29241
n3
5000211
n4
855036081
n5
146211169851
2 √n
13.076696830622
3 √n
5.5504991029115
4 √n
3.6161715709604
5 √n
2.7963995403973
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
-170
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 171 can be divided by 4 positive divisors.
The sum of these divisors (counting 171) is 1, the average is 0.25.
Base
System
Value
2
Binary
10101011
3
Ternary
20100
4
Quaternary
2223
5
Quinary
1141
6
Senary
443
8
Octal
253
10
Decimal
171
12
Duodecimal
123
16
Hexadecimal
ab
20
Vigesimal
8b
36
Base36
4r
md5
a4a042cf4fd6bfb47701cbc8a1653ada
sha1
94940e534aedd3f6d9bb77c6322f6641dbb7432a
sha256
284de502c9847342318c17d474733ef468fbdbe252cddf6e4b4be0676706d9d0
sha512
1c29cfd5dad36585210f1e82dfbae8156d47177d7971d6e30ba7ffe730a8eb5e1c614ed1c0fea7212f69af11f01d5ee1b092886ab032143f7d087fe35f3cbdfd
ripemd-160
342055fb7701b2fa9688ca1295ccca3494766538
Diameter
342
Circumference
1074.4246875277
Area
91863.310783619
Volume
20944834.858665
Surface area
367453.24313448
Circumference
1074.4246875277
Perimeter
684
Area
29241
Diagonal
241.8305191658
Surface area
175446
Volume
5000211
Space diagonal
296.18068809428
Perimeter
513
Area
12661.72441603
Altitude
148.09034404714
Surface area
12661.72441603
Volume
589280.51757726
Height
80.610173055266