1242743 is an odd 7-digits composite number following 1242742
and preceding 1242744 . In scientific notation, it is written as 1.242743 × 10^6.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 1213800 positive integers (up to 1242743) that are relatively prime to 1242743.
1242743 has 4 divisors, whose sum is 1271688
The reverse of 1242743 is 3472421
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 23
Digital Root 5
Name
one million two hundred forty-two thousand seven hundred forty-three
Scientific notation
1.242743 × 10^6
Engineering notation
1.242743 × 10^6
Prime Factorization
43 × 28901
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1242743
Product of the distinct prime numbers
The prime factorization of 1242743 is 43 × 28901.
Since it has a total of 2 prime factors.
3 , 3 , 89 , 20 , 598 , 97 , 652 , 1838 , 10989 , 88591 , 915700 , 724927 , 6922994 , 5432988 , 66456583 , 38393253 , 223687886 , 590362070 , 603011571 , 6827343189
n×2
2485486
n×3
3728229
n×4
4970972
n×5
6213715
n÷2
621371.5
n÷3
414247.66666667
n÷3
310685.75
n÷5
248548.6
n2
1544410164049
n3
1919304920500746407
n4
2.3852027548179E+24
n5
2.9641940271306E+30
2 √n
1114.7838355484
3 √n
107.51286667698
4 √n
33.388378749924
5 √n
16.552982850708
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
-1242742
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 1242743 can be divided by 4 positive divisors.
The sum of these divisors (counting 1242743) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101111011001110111
3
Ternary
2100010201112
4
Quaternary
10233121313
5
Quinary
304231433
6
Senary
42345235
8
Octal
4573167
10
Decimal
1242743
12
Duodecimal
4bb21b
16
Hexadecimal
12f677
20
Vigesimal
7f6h3
36
Base36
qmwn
md5
4fd83b5167dd0391a49c61c00b4639b6
sha1
623cf3a3b7dd06c1687c75be3457b64150c11822
sha256
bae5fc0d93bbd7c19a1519f3f340f02781ce99df9909543642af220885c058e7
sha512
53a1d060acf5673ef568bcca364ca02cad680489b341b9606369a1e7b804df8d0b11eec3052cb4d66dda7e963e4f98736285d06c372f621bf71388677ed71895
ripemd-160
cec3f05e597d8ca4871851338577bbcf8dd6b270
Diameter
2485486
Circumference
7808384.5582003
Area
4851907625505.7
Volume
8.0395656509918E+18
Surface area
19407630502023
Circumference
7808384.5582003
Perimeter
4970972
Area
1544410164049
Diagonal
1757504.0051442
Surface area
9266460984294
Volume
1919304920500746407
Space diagonal
2152494.0167506
Perimeter
3728229
Area
668749217964.66
Altitude
1076247.0083753
Surface area
668749217964.66
Volume
2.2619225407513E+17
Height
585834.66838141