169 (number)

169 is an odd 3-digits composite number following 168 and preceding 170. In scientific notation, it is written as 1.69 × 10^2. The sum of its digits is 16. It has a total of 2 prime factors and 3 positive divisors. There are 156 positive integers (up to 169) that are relatively prime to 169.

Interesting facts

Basic properties

Name

Name one hundred sixty-nine

Notation

Scientific notation 1.69 × 10^2
Engineering notation 1.69 × 10^0

Prime Factorization of 169

Prime Factorization 13 × 13

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13
Product of the distinct prime numbers

The prime factorization of 169 is 13 × 13. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 169)

Multiplication

n×y
n×2 338
n×3 507
n×4 676
n×5 845

Division

n÷y
n÷2 84.5
n÷3 56.333333333333
n÷3 42.25
n÷5 33.8

Exponentiation

ny
n2 28561
n3 4826809
n4 815730721
n5 137858491849

Nth Root

y√n
2√n 13
3√n 5.5287748136789
4√n 3.605551275464
5√n 2.7898274358891

Divisors of 169

1, 13, 169

3 divisors

τ Total Divisors 3
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168
Sum of the proper positive divisors of n
A Arithmetic Mean 0.33333333333333
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 3
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 169 can be divided by 3 positive divisors. The sum of these divisors (counting 169) is 1, the average is 0.33333333333333.

Base conversion 169

Base System Value
2 Binary 10101001
3 Ternary 20021
4 Quaternary 2221
5 Quinary 1134
6 Senary 441
8 Octal 251
10 Decimal 169
12 Duodecimal 121
16 Hexadecimal a9
20 Vigesimal 89
36 Base36 4p

Cryptographic Hash Functions

md5 3636638817772e42b59d74cff571fbb3
sha1 2659fc519890c924f82b4475ddd71b058178d02b
sha256 f57e5cb1f4532c008183057ecc94283801fcb5afe2d1c190e3dfd38c4da08042
sha512 f43d11b9e338dd9588efbb77228fee0d2ad406c3fa808e4fa5020884fe4df3e782b11205ced90f7080976ac1d3c74afc54da03613eb175e956f94108879e67c2
ripemd-160 1876d84aeba0e9530b41236addc8b50697620e6b

169 as geometric shapes

Circle

Radius = n
Diameter 338
Circumference 1061.8583169134
Area 89727.027779178

Sphere

Radius = n
Volume 20218490.259575
Surface area 358908.11111671
Circumference 1061.8583169134

Square

Length = n
Perimeter 676
Area 28561
Diagonal 239.00209204105

Cube

Length = n
Surface area 171366
Volume 4826809
Space diagonal 292.71658647914

Equilateral Triangle

Length = n
Perimeter 507
Area 12367.275778744
Altitude 146.35829323957

Triangular Pyramid

Length = n
Surface area 12367.275778744
Volume 568844.89589871
Height 79.667364013684