20406428 is an even 8-digits composite number following 20406427
and preceding 20406429 . In scientific notation, it is written as 2.0406428 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 8365104 positive integers (up to 20406428) that are relatively prime to 20406428.
20406428 has 24 divisors, whose sum is 42588672
The reverse of 20406428 is 82460402
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred six thousand four hundred twenty-eight
Scientific notation
2.0406428 × 10^7
Engineering notation
2.0406428 × 10^6
Prime Factorization
2 × 2 × 7 × 23 × 31687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10203214
Product of the distinct prime numbers
The prime factorization of 20406428 is 2 × 2 × 7 × 23 × 31687.
Since it has a total of 5 prime factors.
4 , 7 , 55 , 69 , 725 , 969 , 9326 , 3894 , 65699 , 10356 , 664764 , 585440 , 3134661 , 9708555 , 69319808 , 4173093 , 400895704 , 837099701 , 8845418578 , 3935558763
n×2
40812856
n×3
61219284
n×4
81625712
n×5
102032140
n÷2
10203214
n÷3
6802142.6666667
n÷3
5101607
n÷5
4081285.6
n2
416422303719184
n3
8.4976917584397E+21
n4
1.7340753503479E+29
n5
3.538628378345E+36
2 √n
4517.3474517686
3 √n
273.2681376664
4 √n
67.21121522312
5 √n
28.97032706338
1 , 2 , 4 , 7 , 14 , 23 , 28 , 46 , 92 , 161 , 322 , 644 , 31687 , 63374 , 126748 , 221809 , 443618 , 728801 , 887236 , 1457602 , 2915204 , 5101607 , 10203214 , 20406428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406428 can be divided by 24 positive divisors.
The sum of these divisors (counting 20406428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110000010011100
3
Ternary
1102101202100122
4
Quaternary
1031312002130
5
Quinary
20211001203
6
Senary
2005214112
8
Octal
115660234
10
Decimal
20406428
12
Duodecimal
6a01338
16
Hexadecimal
137609c
20
Vigesimal
67ag18
36
Base36
c5dp8
md5
ecbd00a489cfd0bf64507a5480a1b709
sha1
c0d307e5cc14e6d65b4a68bcaa1b71a0f820e035
sha256
f232dd9195fa3f5ee053cadba30b75ae9ebe756b9bc1e27b4a9bb78a7993826a
sha512
a9802b7cb36195c02fd2ff327e77df32ea7702db90e1bef0c31d878883b8f96bc0e1c8636193db16559222a4d2ad1cff4ba9fb69027bd7b67b9b4be2eb5caec1
ripemd-160
caa06850aee2d2f7281cfe87d0bed196571dcdb5
Diameter
40812856
Circumference
128217368.58162
Area
1.3082292501551E+15
Volume
3.5595048001046E+22
Surface area
5.2329170006205E+15
Circumference
128217368.58162
Perimeter
81625712
Area
416422303719184
Diagonal
28859047.23719
Surface area
2498533822315104
Volume
8.4976917584397E+21
Space diagonal
35344970.096996
Perimeter
61219284
Area
1.8031614686163E+14
Altitude
17672485.048498
Surface area
1.8031614686163E+14
Volume
1.0014625778043E+21
Height
9619682.4123967