821000428 is an even 9-digits composite number following 821000427
and preceding 821000429 . In scientific notation, it is written as 8.21000428 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 410500212 positive integers (up to 821000428) that are relatively prime to 821000428.
821000428 has 6 divisors, whose sum is 1436750756
The reverse of 821000428 is 824000128
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
eight hundred twenty-one million four hundred twenty-eight
Scientific notation
8.21000428 × 10^8
Engineering notation
8.21000428 × 10^6
Prime Factorization
2 × 2 × 205250107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
410500214
Product of the distinct prime numbers
The prime factorization of 821000428 is 2 × 2 × 205250107.
Since it has a total of 3 prime factors.
9 , 9 , 46 , 8 , 8 , 689 , 8044 , 335 , 52506 , 52922 , 561394 , 829830 , 2476509 , 7264605 , 92779256 , 94827846 , 977153162 , 518165390 , 8445695512 , 5236051975
n×2
1642000856
n×3
2463001284
n×4
3284001712
n×5
4105002140
n÷2
410500214
n÷3
273666809.33333
n÷3
205250107
n÷5
164200085.6
n2
674041702776183184
n3
5.533885264691E+26
n4
4.5433221708142E+35
n5
3.7300694467803E+44
2 √n
28653.105032439
3 √n
936.3706542712
4 √n
169.2722807563
5 √n
60.655289053518
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821000427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821000428 can be divided by 6 positive divisors.
The sum of these divisors (counting 821000428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110000111011110111100011101100
3
Ternary
2010012212010212021
4
Quaternary
300323313203230
5
Quinary
3140134003203
6
Senary
213244515524
8
Octal
6073674354
10
Decimal
821000428
12
Duodecimal
1aab4bba4
16
Hexadecimal
30ef78ec
20
Vigesimal
cgb5118
36
Base36
dksvzg
md5
c096bcaaba23cd82f555a7526f8353cb
sha1
92816893019a41985eb3a6716ea9f4b47d17847e
sha256
697e05a488d3a3a1a710812d1947d538e04c54daac4740b007d5d4db6b169123
sha512
b82cf7d01e77fa0d981c60f56f4c4b93c52707c64136b44250bf2938db61158514f974eb61bbb4fc4acd02c2a9fa15d180e162e0e4d201f77de898d371c34a7d
ripemd-160
c304a5e2f55d192999d40c4cfbac148693bf4cc0
Diameter
1642000856
Circumference
5158497826.3978
Area
2.1175644616548E+18
Volume
2.3180284391149E+27
Surface area
8.4702578466192E+18
Circumference
5158497826.3978
Perimeter
3284001712
Area
674041702776183184
Diagonal
1161069939.9917
Surface area
4044250216657099104
Volume
5.533885264691E+26
Space diagonal
1422014454.3318
Perimeter
2463001284
Area
2.9186861890715E+17
Altitude
711007227.1659
Surface area
2.9186861890715E+17
Volume
6.5217463282855E+25
Height
387023313.33057