20215428 is an even 8-digits composite number following 20215427
and preceding 20215429 . In scientific notation, it is written as 2.0215428 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6727776 positive integers (up to 20215428) that are relatively prime to 20215428.
20215428 has 24 divisors, whose sum is 47244288
The reverse of 20215428 is 82451202
Previous prime number is 1013
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred fifteen thousand four hundred twenty-eight
Scientific notation
2.0215428 × 10^7
Engineering notation
2.0215428 × 10^6
Prime Factorization
2 × 2 × 3 × 1013 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10107714
Product of the distinct prime numbers
The prime factorization of 20215428 is 2 × 2 × 3 × 1013 × 1663.
Since it has a total of 5 prime factors.
5 , 9 , 69 , 51 , 24 , 460 , 8280 , 7080 , 52828 , 82764 , 36641 , 759025 , 4256673 , 9079045 , 96643464 , 72842997 , 37587593 , 190710388 , 2674204418 , 7314650984
n×2
40430856
n×3
60646284
n×4
80861712
n×5
101077140
n÷2
10107714
n÷3
6738476
n÷3
5053857
n÷5
4043085.6
n2
408663529223184
n3
8.2613081512372E+21
n4
1.6700588011715E+29
n5
3.3760953450848E+36
2 √n
4496.1570257276
3 √n
272.41288576941
4 √n
67.053389367933
5 √n
28.915891608805
1 , 2 , 3 , 4 , 6 , 12 , 1013 , 1663 , 2026 , 3039 , 3326 , 4052 , 4989 , 6078 , 6652 , 9978 , 12156 , 19956 , 1684619 , 3369238 , 5053857 , 6738476 , 10107714 , 20215428
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
-20215427
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 20215428 can be divided by 24 positive divisors.
The sum of these divisors (counting 20215428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111011010000100
3
Ternary
1102001001100120
4
Quaternary
1031013122010
5
Quinary
20133343203
6
Senary
2001141540
8
Octal
115073204
10
Decimal
20215428
12
Duodecimal
692a8b0
16
Hexadecimal
1347684
20
Vigesimal
666ib8
36
Base36
c1abo
md5
7fbba4825ae1d11afd061eb926552228
sha1
43508dff1d3324250fd57e6448b43576314a87b6
sha256
29bdf49a7324f927c20232db590130749f67d2ea464ed9f3739abb86a8879d9d
sha512
562b40a86e0fbb4dd4a88ebc8b8f891c12601b20c771db9d389d23a2b9e0f4370ca821792ec47d72da0d68517d38f56e466ee40c8062f14fd193a6e3b047f4fc
ripemd-160
96c30e4695dc50136454e6e539431993521a52a9
Diameter
40430856
Circumference
127017280.18795
Area
1.2838543411976E+15
Volume
3.4604886662624E+22
Surface area
5.1354173647905E+15
Circumference
127017280.18795
Perimeter
80861712
Area
408663529223184
Diagonal
28588932.446777
Surface area
2451981175339104
Volume
8.2613081512372E+21
Space diagonal
35014148.39275
Perimeter
60646284
Area
1.7695649895374E+14
Altitude
17507074.196375
Surface area
1.7695649895374E+14
Volume
9.7360450253525E+20
Height
9529644.1489256