1281242 (number)

1281242 is an even 7-digits composite number following 1281241 and preceding 1281243. In scientific notation, it is written as 1.281242 × 10^6. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 640620 positive integers (up to 1281242) that are relatively prime to 1281242.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-one thousand two hundred forty-two

Notation

Scientific notation 1.281242 × 10^6
Engineering notation 1.281242 × 10^6

Prime Factorization of 1281242

Prime Factorization 2 × 640621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1281242
Product of the distinct prime numbers

The prime factorization of 1281242 is 2 × 640621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1281242)

Multiplication

n×y
n×2 2562484
n×3 3843726
n×4 5124968
n×5 6406210

Division

n÷y
n÷2 640621
n÷3 427080.66666667
n÷3 320310.5
n÷5 256248.4

Exponentiation

ny
n2 1641581062564
n3 2103262603761624488
n4 2.6947883849688E+24
n5 3.4526760599341E+30

Nth Root

y√n
2√n 1131.9196084528
3√n 108.61181108942
4√n 33.644012965947
5√n 16.654294241737

Divisors of 1281242

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1281241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1281242 can be divided by 4 positive divisors. The sum of these divisors (counting 1281242) is 1, the average is 0.25.

Base conversion 1281242

Base System Value
2 Binary 100111000110011011010
3 Ternary 2102002112102
4 Quaternary 10320303122
5 Quinary 311444432
6 Senary 43243402
8 Octal 4706332
10 Decimal 1281242
12 Duodecimal 519562
16 Hexadecimal 138cda
20 Vigesimal 80322
36 Base36 rgm2

Cryptographic Hash Functions

md5 b05c0e4f81dd3ed33ca3e967038b1b44
sha1 08b227da334554fc6e5afa6e999420d1855e8c46
sha256 c4282feac0eb0879f194828532d3d63f231784a40ab5ca86e31cf473dd92df3c
sha512 e5b84f25bc0c6366f8850061b7aee1b21e9f45926ac251020e3c4eb8ab332f2512aea27d086a5507cccf36fe669813beb58aed58e0f3c33867ae9561d0963ecd
ripemd-160 c74967ce8295960155e3eff0292d1ce48caa5136

1281242 as geometric shapes

Circle

Radius = n
Diameter 2562484
Circumference 8050280.9093414
Area 5157179006423.2

Sphere

Radius = n
Volume 8.8101257927302E+18
Surface area 20628716025693
Circumference 8050280.9093414

Square

Length = n
Perimeter 5124968
Area 1641581062564
Diagonal 1811949.813082

Cube

Length = n
Surface area 9849486375384
Volume 2103262603761624488
Space diagonal 2219176.2407912

Equilateral Triangle

Length = n
Perimeter 3843726
Area 710825451275.94
Altitude 1109588.1203956

Triangular Pyramid

Length = n
Surface area 710825451275.94
Volume 2.4787187495599E+17
Height 603983.27102734