1242 (number)

1242 is an even 4-digits composite number following 1241 and preceding 1243. In scientific notation, it is written as 1.242 × 10^3. The sum of its digits is 9. It has a total of 4 prime factors and 16 positive divisors. There are 396 positive integers (up to 1242) that are relatively prime to 1242.

Interesting facts

Basic properties

Name

Name one thousand two hundred forty-two

Notation

Scientific notation 1.242 × 10^3
Engineering notation 1.242 × 10^3

Prime Factorization of 1242

Prime Factorization 2 × 9 × 3 × 23

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1242
Product of the distinct prime numbers

The prime factorization of 1242 is 2 × 9 × 3 × 23. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1242)

Multiplication

n×y
n×2 2484
n×3 3726
n×4 4968
n×5 6210

Division

n÷y
n÷2 621
n÷3 414
n÷3 310.5
n÷5 248.4

Exponentiation

ny
n2 1542564
n3 1915864488
n4 2379503694096
n5 2955343588067232

Nth Root

y√n
2√n 35.242020373412
3√n 10.749143613048
4√n 5.9364989996977
5√n 4.1574240033147

Divisors of 1242

1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1242 can be divided by 16 positive divisors. The sum of these divisors (counting 1242) is 1, the average is 0.0625.

Base conversion 1242

Base System Value
2 Binary 10011011010
3 Ternary 1201000
4 Quaternary 103122
5 Quinary 14432
6 Senary 5430
8 Octal 2332
10 Decimal 1242
12 Duodecimal 876
16 Hexadecimal 4da
20 Vigesimal 322
36 Base36 yi

Cryptographic Hash Functions

md5 2de5d16682c3c35007e4e92982f1a2ba
sha1 beebbcfb1d05a761dcc753bd9ba606039b817ff4
sha256 550018524a55c47b54067a7454e1b6f65f0fd43a53e79d71b0e5cb364017cf45
sha512 57d638d5069465e9c8700db254dc63859904b838ac9761fc84d06e0b84615af51f23adef0529ccc3e33b36698dedf6fc0c846c08c9c78159659bd38b6b3c0dee
ripemd-160 a74e670255881a28fc18afc15213eeb4ff4ad341

1242 as geometric shapes

Circle

Radius = n
Diameter 2484
Circumference 7803.716151517
Area 4846107.7300921

Sphere

Radius = n
Volume 8025154401.0325
Surface area 19384430.920368
Circumference 7803.716151517

Square

Length = n
Perimeter 4968
Area 1542564
Diagonal 1756.4532444674

Cube

Length = n
Surface area 9255384
Volume 1915864488
Space diagonal 2151.2071030005

Equilateral Triangle

Length = n
Perimeter 3726
Area 667949.80548167
Altitude 1075.6035515003

Triangular Pyramid

Length = n
Surface area 667949.80548167
Volume 225786795.21655
Height 585.48441482246