1242786 is an even 7-digits composite number following 1242785
and preceding 1242787 . In scientific notation, it is written as 1.242786 × 10^6.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 404544 positive integers (up to 1242786) that are relatively prime to 1242786.
1242786 has 16 divisors, whose sum is 2543904
The reverse of 1242786 is 6872421
Previous prime number is 43
Is Prime? no
Number parity even
Number length 7
Sum of Digits 30
Digital Root 3
Name
one million two hundred forty-two thousand seven hundred eighty-six
Scientific notation
1.242786 × 10^6
Engineering notation
1.242786 × 10^6
Prime Factorization
2 × 3 × 43 × 4817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1242786
Product of the distinct prime numbers
The prime factorization of 1242786 is 2 × 3 × 43 × 4817.
Since it has a total of 4 prime factors.
5 , 2 , 29 , 64 , 91 , 92 , 2271 , 6583 , 24126 , 84093 , 72994 , 167227 , 1372032 , 5203985 , 67140869 , 88145868 , 614123477 , 117511762 , 738230037 , 4359576254
n×2
2485572
n×3
3728358
n×4
4971144
n×5
6213930
n÷2
621393
n÷3
414262
n÷3
310696.5
n÷5
248557.2
n2
1544517041796
n3
1919504156305483656
n4
2.3855328923983E+24
n5
2.9647068812121E+30
2 √n
1114.8031216318
3 √n
107.5141066759
4 √n
33.388667562989
5 √n
16.553097398674
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 4817 , 9634 , 14451 , 28902 , 207131 , 414262 , 621393 , 1242786
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
-1242785
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 1242786 can be divided by 16 positive divisors.
The sum of these divisors (counting 1242786) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101111011010100010
3
Ternary
2100010210010
4
Quaternary
10233122202
5
Quinary
304232121
6
Senary
42345350
8
Octal
4573242
10
Decimal
1242786
12
Duodecimal
4bb256
16
Hexadecimal
12f6a2
20
Vigesimal
7f6j6
36
Base36
qmxu
md5
a665a36f582689b2943c03093f971089
sha1
f4ca3fe694774446c7565710a4cd0db14fb2e29d
sha256
3cc2ca521c0bd7712332659f269ccc068d97a54e5ca5e1cfa2d8507efbaa3fef
sha512
841c34b40fe80ae86918bdae128da0e81d0b0699d6b6eec9768908c7ce6499a4591da4c673771edcfafe953e7f65e649990fe6c4b0072d94f88fa429c7ea079b
ripemd-160
2d7039aeb9324b3b2c6982eac9d4ee57889dce25
Diameter
2485572
Circumference
7808654.7351685
Area
4852243391850.6
Volume
8.0404002079792E+18
Surface area
19408973567402
Circumference
7808654.7351685
Perimeter
4971144
Area
1544517041796
Diagonal
1757564.8163274
Surface area
9267102250776
Volume
1919504156305483656
Space diagonal
2152568.4949353
Perimeter
3728358
Area
668795497386.66
Altitude
1076284.2474676
Surface area
668795497386.66
Volume
2.262157342399E+17
Height
585854.9387758