126 (number)

126 is an even 3-digits composite number following 125 and preceding 127. In scientific notation, it is written as 1.26 × 10^2. The sum of its digits is 9. It has a total of 4 prime factors and 12 positive divisors. There are 36 positive integers (up to 126) that are relatively prime to 126.

Interesting facts

Basic properties

Name

Name one hundred twenty-six

Notation

Scientific notation 1.26 × 10^2
Engineering notation 1.26 × 10^0

Prime Factorization of 126

Prime Factorization 2 × 7 × 3 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 42
Product of the distinct prime numbers

The prime factorization of 126 is 2 × 7 × 3 × 3. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 126)

Multiplication

n×y
n×2 252
n×3 378
n×4 504
n×5 630

Division

n÷y
n÷2 63
n÷3 42
n÷3 31.5
n÷5 25.2

Exponentiation

ny
n2 15876
n3 2000376
n4 252047376
n5 31757969376

Nth Root

y√n
2√n 11.224972160322
3√n 5.0132979349646
4√n 3.3503689588345
5√n 2.6307168652587

Divisors of 126

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -125
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 126 can be divided by 12 positive divisors. The sum of these divisors (counting 126) is 1, the average is 0.083333333333333.

Base conversion 126

Base System Value
2 Binary 1111110
3 Ternary 11200
4 Quaternary 1332
5 Quinary 1001
6 Senary 330
8 Octal 176
10 Decimal 126
12 Duodecimal a6
16 Hexadecimal 7e
20 Vigesimal 66
36 Base36 3i

Cryptographic Hash Functions

md5 069059b7ef840f0c74a814ec9237b6ec
sha1 114d4eefde1dae3983e7a79f04c72feb9a3a7efd
sha256 65a699905c02619370bcf9207f5a477c3d67130ca71ec6f750e07fe8d510b084
sha512 8f38ba1b52fdbe35907eeb02f4cdd923dc608cbb560f1415cbac5858345e8aeaa3f43756602e2ec5f5e7637d65a627ccffa8cd636237110a9e8e207ad70d6bb5
ripemd-160 31baa56da6531251fd31c3c73b604b56b6d41c24

126 as geometric shapes

Circle

Radius = n
Diameter 252
Circumference 791.68134870463
Area 49875.924968392

Sphere

Radius = n
Volume 8379155.3946898
Surface area 199503.69987357
Circumference 791.68134870463

Square

Length = n
Perimeter 504
Area 15876
Diagonal 178.19090885901

Cube

Length = n
Surface area 95256
Volume 2000376
Space diagonal 218.23840175368

Equilateral Triangle

Length = n
Perimeter 378
Area 6874.5096552409
Altitude 109.11920087684

Triangular Pyramid

Length = n
Surface area 6874.5096552409
Volume 235746.57242047
Height 59.39696961967