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.
144 has 15 divisors, whose sum is 403
The reverse of 144 is 441
Previous prime number is 3
Is Prime? no
Number parity even
Number length 3
Sum of Digits 9
Digital Root 9
Name
one hundred forty-four
Scientific notation
1.44 × 10^2
Engineering notation
1.44 × 10^0
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.
6 , 1 , 85 , 98 , 925 , 47 , 1034 , 513 , 55708 , 84716 , 241320 , 236455 , 2317173 , 7769724 , 10313397 , 49908164 , 493092342 , 53612175 , 8031522459 , 5269944318
n×2
288
n×3
432
n×4
576
n×5
720
n÷2
72
n÷3
48
n÷3
36
n÷5
28.8
n2
20736
n3
2985984
n4
429981696
n5
61917364224
2 √n
12
3 √n
5.2414827884178
4 √n
3.4641016151378
5 √n
2.7019200770412
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
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
md5
0a09c8844ba8f0936c20bd791130d6b6
sha1
7320828c9153b2a9848d6bc45d3544236b22fc48
sha256
5ec1a0c99d428601ce42b407ae9c675e0836a8ba591c8ca6e2a2cf5563d97ff0
sha512
2285f9b039a58936434ea68d3cd49a6150b0b0bd31c85da87b7e8547c139c1258998f622f91ff4ef6f348a7225251cb67eb81fb151ae2906a55c659b45a1ead9
ripemd-160
f5de5893c094ee86c7c545c3d3866e660cd2b826
Diameter
288
Circumference
904.77868423386
Area
65144.065264838
Volume
12507660.530849
Surface area
260576.26105935
Circumference
904.77868423386
Perimeter
576
Area
20736
Diagonal
203.64675298173
Surface area
124416
Volume
2985984
Space diagonal
249.41531628992
Perimeter
432
Area
8978.9513864371
Altitude
124.70765814496
Surface area
8978.9513864371
Volume
351901.58915242
Height
67.882250993909