144 (number)

144 is an even 3-digits composite number following 143 and preceding 145. In scientific notation, it is written as 1.44 × 10^2. The sum of its digits is 9. It has a total of 6 prime factors and 15 positive divisors. There are 48 positive integers (up to 144) that are relatively prime to 144.

Interesting facts

Basic properties

Name

Name one hundred forty-four

Notation

Scientific notation 1.44 × 10^2
Engineering notation 1.44 × 10^0

Prime Factorization of 144

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6
Product of the distinct prime numbers

The prime factorization of 144 is 2 × 2 × 2 × 2 × 3 × 3. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 144)

Multiplication

n×y
n×2 288
n×3 432
n×4 576
n×5 720

Division

n÷y
n÷2 72
n÷3 48
n÷3 36
n÷5 28.8

Exponentiation

ny
n2 20736
n3 2985984
n4 429981696
n5 61917364224

Nth Root

y√n
2√n 12
3√n 5.2414827884178
4√n 3.4641016151378
5√n 2.7019200770412

Divisors of 144

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

15 divisors

τ Total Divisors 15
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.066666666666667
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 15
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 144 can be divided by 15 positive divisors. The sum of these divisors (counting 144) is 1, the average is 0.066666666666667.

Base conversion 144

Base System Value
2 Binary 10010000
3 Ternary 12100
4 Quaternary 2100
5 Quinary 1034
6 Senary 400
8 Octal 220
10 Decimal 144
12 Duodecimal 100
16 Hexadecimal 90
20 Vigesimal 74
36 Base36 40

Cryptographic Hash Functions

md5 0a09c8844ba8f0936c20bd791130d6b6
sha1 7320828c9153b2a9848d6bc45d3544236b22fc48
sha256 5ec1a0c99d428601ce42b407ae9c675e0836a8ba591c8ca6e2a2cf5563d97ff0
sha512 2285f9b039a58936434ea68d3cd49a6150b0b0bd31c85da87b7e8547c139c1258998f622f91ff4ef6f348a7225251cb67eb81fb151ae2906a55c659b45a1ead9
ripemd-160 f5de5893c094ee86c7c545c3d3866e660cd2b826

144 as geometric shapes

Circle

Radius = n
Diameter 288
Circumference 904.77868423386
Area 65144.065264838

Sphere

Radius = n
Volume 12507660.530849
Surface area 260576.26105935
Circumference 904.77868423386

Square

Length = n
Perimeter 576
Area 20736
Diagonal 203.64675298173

Cube

Length = n
Surface area 124416
Volume 2985984
Space diagonal 249.41531628992

Equilateral Triangle

Length = n
Perimeter 432
Area 8978.9513864371
Altitude 124.70765814496

Triangular Pyramid

Length = n
Surface area 8978.9513864371
Volume 351901.58915242
Height 67.882250993909