20291428 is an even 8-digits composite number following 20291427
and preceding 20291429 . In scientific notation, it is written as 2.0291428 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 9704552 positive integers (up to 20291428) that are relatively prime to 20291428.
20291428 has 12 divisors, whose sum is 37054080
The reverse of 20291428 is 82419202
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred ninety-one thousand four hundred twenty-eight
Scientific notation
2.0291428 × 10^7
Engineering notation
2.0291428 × 10^6
Prime Factorization
2 × 2 × 23 × 220559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10145714
Product of the distinct prime numbers
The prime factorization of 20291428 is 2 × 2 × 23 × 220559.
Since it has a total of 4 prime factors.
10 , 10 , 29 , 27 , 727 , 44 , 9099 , 8516 , 11976 , 38243 , 465305 , 725409 , 1975032 , 6229696 , 90495759 , 76272091 , 713459547 , 22786234 , 3529046221 , 1371314147
n×2
40582856
n×3
60874284
n×4
81165712
n×5
101457140
n÷2
10145714
n÷3
6763809.3333333
n÷3
5072857
n÷5
4058285.6
n2
411742050279184
n3
8.3548341678124E+21
n4
1.6953151596811E+29
n5
3.4400365499977E+36
2 √n
4504.6007592238
3 √n
272.75383804529
4 √n
67.11632259908
5 √n
28.937600873931
1 , 2 , 4 , 23 , 46 , 92 , 220559 , 441118 , 882236 , 5072857 , 10145714 , 20291428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20291427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20291428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20291428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101011001111101100100
3
Ternary
1102011220121101
4
Quaternary
1031121331210
5
Quinary
20143311203
6
Senary
2002525444
8
Octal
115317544
10
Decimal
20291428
12
Duodecimal
6966884
16
Hexadecimal
1359f64
20
Vigesimal
66g8b8
36
Base36
c2wys
md5
18d86ccb7e9e440d18213caf7df3f35f
sha1
7d9959199a1fdcc3b6d8ffbefe2520192d1f7b3e
sha256
4aa7cd67ec1488736076a991bf7d67d1065be9ec0d51633e28a4194614cc66c4
sha512
f083c29689421e113f4025b906517d0e7cd161869adf1ebe215e81600c8d4e051417ce510d611569a8c042e90bfd207a85dc96cab74720d1eab91eebf78c21a6
ripemd-160
1b1c9cfa40bbe81a30b6d04ffe8f1d5007d44335
Diameter
40582856
Circumference
127494802.27129
Area
1.2935258003311E+15
Volume
3.4996647524747E+22
Surface area
5.1741032013243E+15
Circumference
127494802.27129
Perimeter
81165712
Area
411742050279184
Diagonal
28696412.677517
Surface area
2470452301675104
Volume
8.3548341678124E+21
Space diagonal
35145784.254126
Perimeter
60874284
Area
1.7828953767403E+14
Altitude
17572892.127063
Surface area
1.7828953767403E+14
Volume
9.8462664929154E+20
Height
9565470.8925057