1281243 (number)

1281243 is an odd 7-digits composite number following 1281242 and preceding 1281244. In scientific notation, it is written as 1.281243 × 10^6. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 854160 positive integers (up to 1281243) that are relatively prime to 1281243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.281243 × 10^6
Engineering notation 1.281243 × 10^6

Prime Factorization of 1281243

Prime Factorization 3 × 427081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1281243
Product of the distinct prime numbers

The prime factorization of 1281243 is 3 × 427081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1281243)

Multiplication

n×y
n×2 2562486
n×3 3843729
n×4 5124972
n×5 6406215

Division

n÷y
n÷2 640621.5
n÷3 427081
n÷3 320310.75
n÷5 256248.6

Exponentiation

ny
n2 1641583625049
n3 2103267528508655907
n4 2.694796798029E+24
n5 3.4526895338971E+30

Nth Root

y√n
2√n 1131.9200501802
3√n 108.61183934632
4√n 33.644019530672
5√n 16.654296841447

Divisors of 1281243

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 -1281242
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 1281243 can be divided by 4 positive divisors. The sum of these divisors (counting 1281243) is 1, the average is 0.25.

Base conversion 1281243

Base System Value
2 Binary 100111000110011011011
3 Ternary 2102002112110
4 Quaternary 10320303123
5 Quinary 311444433
6 Senary 43243403
8 Octal 4706333
10 Decimal 1281243
12 Duodecimal 519563
16 Hexadecimal 138cdb
20 Vigesimal 80323
36 Base36 rgm3

Cryptographic Hash Functions

md5 ccb1f00c55de28b0354537c1a41fb8d9
sha1 03bef59fcb2b1ad451e94dfc9fa0d0709b7f3ede
sha256 55f07c9a10ca2c843fac97b5dc680b99cd61d171be553245540f5f484defbd14
sha512 f35fbdebba1f5d96121f436fa7912016faca7ff2a87149765f7f1b6d06de9f2027f0d56e6e1fb96c01a9ea1130931974021a77d8a605fd048cde28174cc6d727
ripemd-160 5898ae2be9fba9383d6fd778374d2edba43300b4

1281243 as geometric shapes

Circle

Radius = n
Diameter 2562486
Circumference 8050287.1925267
Area 5157187056707.2

Sphere

Radius = n
Volume 8.8101464214623E+18
Surface area 20628748226829
Circumference 8050287.1925267

Square

Length = n
Perimeter 5124972
Area 1641583625049
Diagonal 1811951.2272956

Cube

Length = n
Surface area 9849501750294
Volume 2103267528508655907
Space diagonal 2219177.972842

Equilateral Triangle

Length = n
Perimeter 3843729
Area 710826560864.49
Altitude 1109588.986421

Triangular Pyramid

Length = n
Surface area 710826560864.49
Volume 2.4787245534299E+17
Height 603983.74243186