20154428 is an even 8-digits composite number following 20154427
and preceding 20154429 . In scientific notation, it is written as 2.0154428 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 8637600 positive integers (up to 20154428) that are relatively prime to 20154428.
20154428 has 12 divisors, whose sum is 40308912
The reverse of 20154428 is 82445102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifty-four thousand four hundred twenty-eight
Scientific notation
2.0154428 × 10^7
Engineering notation
2.0154428 × 10^6
Prime Factorization
2 × 2 × 7 × 719801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10077214
Product of the distinct prime numbers
The prime factorization of 20154428 is 2 × 2 × 7 × 719801.
Since it has a total of 4 prime factors.
4 , 1 , 84 , 39 , 627 , 120 , 9450 , 1862 , 69063 , 70484 , 305982 , 748963 , 3142914 , 2024644 , 21257884 , 79401318 , 511999097 , 639174700 , 4336435866 , 3422054670
n×2
40308856
n×3
60463284
n×4
80617712
n×5
100772140
n÷2
10077214
n÷3
6718142.6666667
n÷3
5038607
n÷5
4030885.6
n2
406200968007184
n3
8.1867481632311E+21
n4
1.6499922640997E+29
n5
3.3254650287355E+36
2 √n
4489.3683297319
3 √n
272.13860798823
4 √n
67.002748672961
5 √n
28.898419782442
1 , 2 , 4 , 7 , 14 , 28 , 719801 , 1439602 , 2879204 , 5038607 , 10077214 , 20154428
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
-20154427
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 20154428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20154428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000100000111100
3
Ternary
1101220221200022
4
Quaternary
1030320200330
5
Quinary
20124420203
6
Senary
1555551312
8
Octal
114704074
10
Decimal
20154428
12
Duodecimal
68bb538
16
Hexadecimal
133883c
20
Vigesimal
65j618
36
Base36
bzz98
md5
b19436a49a5335fc5ea0eed97a1a4ee8
sha1
2651d46e691978a9c21504e776414491473d80b7
sha256
aafe08322229391a39ec53fef9b28059a7774bb2ec67b271afbf6778831ba24e
sha512
3eac7ba4144791896d35363b037e3666543ff3ab019329affc087b35878d728b2dce620b7474cce4044972f1834579720b7a51a345c2c8388129e90d49cd052d
ripemd-160
861e5f7089d98d67d1bf88ce81e97c20509057b7
Diameter
40308856
Circumference
126634005.88421
Area
1.2761179769724E+15
Volume
3.4292570515195E+22
Surface area
5.1044719078897E+15
Circumference
126634005.88421
Perimeter
80617712
Area
406200968007184
Diagonal
28502665.419472
Surface area
2437205808043104
Volume
8.1867481632311E+21
Space diagonal
34908493.293489
Perimeter
60463284
Area
1.7589017866803E+14
Altitude
17454246.646744
Surface area
1.7589017866803E+14
Volume
9.648175236812E+20
Height
9500888.4731574