20290428 is an even 8-digits composite number following 20290427
and preceding 20290429 . In scientific notation, it is written as 2.0290428 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 6763464 positive integers (up to 20290428) that are relatively prime to 20290428.
20290428 has 12 divisors, whose sum is 39453680
The reverse of 20290428 is 82409202
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred ninety thousand four hundred twenty-eight
Scientific notation
2.0290428 × 10^7
Engineering notation
2.0290428 × 10^6
Prime Factorization
2 × 2 × 9 × 563623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10145214
Product of the distinct prime numbers
The prime factorization of 20290428 is 2 × 2 × 9 × 563623.
Since it has a total of 4 prime factors.
8 , 10 , 15 , 100 , 553 , 196 , 2312 , 7321 , 14955 , 82482 , 784931 , 183125 , 3411889 , 1895085 , 55384758 , 82858602 , 551417595 , 525861777 , 6534965807 , 4052992063
n×2
40580856
n×3
60871284
n×4
81161712
n×5
101452140
n÷2
10145214
n÷3
6763476
n÷3
5072607
n÷5
4058085.6
n2
411701468423184
n3
8.3535990025349E+21
n4
1.6949809910181E+29
n5
3.4391889759621E+36
2 √n
4504.4897602281
3 √n
272.74935736312
4 √n
67.115495678927
5 √n
28.937315648354
1 , 2 , 4 , 9 , 18 , 36 , 563623 , 1127246 , 2254492 , 5072607 , 10145214 , 20290428
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
-20290427
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 20290428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20290428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101011001101101111100
3
Ternary
1102011212020100
4
Quaternary
1031121231330
5
Quinary
20143243203
6
Senary
2002521100
8
Octal
115315574
10
Decimal
20290428
12
Duodecimal
6966190
16
Hexadecimal
1359b7c
20
Vigesimal
66g618
36
Base36
c2w70
md5
2c1149e85a87e111a667e9a107c07a5b
sha1
0c18843fd7e3854235675bad958059dd470515e1
sha256
e0d4991daf788f06a52cc37257695efdc41314ab5b161f9f839cafcbc84212cc
sha512
d8f5a4c376d6d69a1870410d71ec3f68aabf42bcd77adf149338c1dfadbf7fac8eb67e807ae5e4a5face6437e6a3486586ade2fb1ca77e944c1aad4be25dc184
ripemd-160
dcc8b89a9e272aac4a276b95a466d133f996ae1d
Diameter
40580856
Circumference
127488519.08599
Area
1.2933983086704E+15
Volume
3.4991473676532E+22
Surface area
5.1735932346816E+15
Circumference
127488519.08599
Perimeter
81161712
Area
411701468423184
Diagonal
28694998.463955
Surface area
2470208810539104
Volume
8.3535990025349E+21
Space diagonal
35144052.203318
Perimeter
60871284
Area
1.7827196521492E+14
Altitude
17572026.101659
Surface area
1.7827196521492E+14
Volume
9.844810836676E+20
Height
9564999.4879849