20168428 is an even 8-digits composite number following 20168427
and preceding 20168429 . In scientific notation, it is written as 2.0168428 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8643600 positive integers (up to 20168428) that are relatively prime to 20168428.
20168428 has 12 divisors, whose sum is 40336912
The reverse of 20168428 is 82486102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred sixty-eight thousand four hundred twenty-eight
Scientific notation
2.0168428 × 10^7
Engineering notation
2.0168428 × 10^6
Prime Factorization
2 × 2 × 7 × 720301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10084214
Product of the distinct prime numbers
The prime factorization of 20168428 is 2 × 2 × 7 × 720301.
Since it has a total of 4 prime factors.
1 , 6 , 58 , 40 , 621 , 300 , 8670 , 2537 , 68762 , 38178 , 386155 , 118376 , 3011711 , 2906544 , 2117859 , 9739611 , 180890910 , 592873028 , 6569544632 , 8480792913
n×2
40336856
n×3
60505284
n×4
80673712
n×5
100842140
n÷2
10084214
n÷3
6722809.3333333
n÷3
5042107
n÷5
4033685.6
n2
406765487991184
n3
8.2038204574351E+21
n4
1.6545816222071E+29
n5
3.3370310317606E+36
2 √n
4490.9272984541
3 √n
272.20160586769
4 √n
67.014381280842
5 √n
28.902433446437
1 , 2 , 4 , 7 , 14 , 28 , 720301 , 1440602 , 2881204 , 5042107 , 10084214 , 20168428
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
-20168427
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 20168428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20168428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111011111011101100
3
Ternary
1101221122212211
4
Quaternary
1030323323230
5
Quinary
20130342203
6
Senary
2000140204
8
Octal
114737354
10
Decimal
20168428
12
Duodecimal
6907664
16
Hexadecimal
133beec
20
Vigesimal
661118
36
Base36
c0a24
md5
fc0af4631985c6ca621b817e77e8f538
sha1
55073ab13addf605677099b241d755588341bae7
sha256
361951ab6e896c0f4b46f8afc8103c653990ec1f61c1524b4015f5f1559c49ea
sha512
4b286fbb2cc1e5f3595fbd261368700d5d2cab8f9483110f64d903ad3205950c48bcde4e56a22bd328478c3e870b201d35065f1dc6c1af37c44107263cc6e6a8
ripemd-160
3827fab5ae2bff8ed5322f0b7ecc316867dba137
Diameter
40336856
Circumference
126721970.47851
Area
1.277891468807E+15
Volume
3.436408277393E+22
Surface area
5.1115658752279E+15
Circumference
126721970.47851
Perimeter
80673712
Area
406765487991184
Diagonal
28522464.409345
Surface area
2440592927947104
Volume
8.2038204574351E+21
Space diagonal
34932742.004795
Perimeter
60505284
Area
1.7613462299157E+14
Altitude
17466371.002397
Surface area
1.7613462299157E+14
Volume
9.6682951284821E+20
Height
9507488.1364484