821420146 is an even 9-digits composite number following 821420145
and preceding 821420147 . In scientific notation, it is written as 8.21420146 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 410710072 positive integers (up to 821420146) that are relatively prime to 821420146.
821420146 has 4 divisors, whose sum is 1232130222
The reverse of 821420146 is 641024128
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
eight hundred twenty-one million four hundred twenty thousand one hundred forty-six
Scientific notation
8.21420146 × 10^8
Engineering notation
8.21420146 × 10^6
Prime Factorization
2 × 410710073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
821420146
Product of the distinct prime numbers
The prime factorization of 821420146 is 2 × 410710073.
Since it has a total of 2 prime factors.
2 , 3 , 63 , 48 , 968 , 527 , 3886 , 2414 , 26361 , 70958 , 849842 , 616558 , 708828 , 8420237 , 34374426 , 71793771 , 362281108 , 979239703 , 5895163025 , 5915602384
n×2
1642840292
n×3
2464260438
n×4
3285680584
n×5
4107100730
n÷2
410710073
n÷3
273806715.33333
n÷3
205355036.5
n÷5
164284029.2
n2
674731056254661316
n3
5.5423768273944E+26
n4
4.5526199827453E+35
n5
3.7396137709092E+44
2 √n
28660.428224296
3 √n
936.53019323168
4 √n
169.29391077146
5 √n
60.66148951612
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821420145
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821420146 can be divided by 4 positive divisors.
The sum of these divisors (counting 821420146) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101011110000001110010
3
Ternary
2010020122110121101
4
Quaternary
300331132001302
5
Quinary
3140240421041
6
Senary
213301515014
8
Octal
6075360162
10
Decimal
821420146
12
Duodecimal
1ab112a6a
16
Hexadecimal
30f5e072
20
Vigesimal
cgdha76
36
Base36
dl1vua
md5
414d910fb430062c731ee51c9b662529
sha1
6a2a3d6c45700bf95597205523b4bee679fb6330
sha256
236dfb97b0197b1d46d84b3633ea34b914c4e13a43cf296ac4093306beedce0a
sha512
40993f58182da0f1781749b9be96041f4fa9d9ea8f99d863001a4d5ed1763c9ce3761b71a7294f9ed7be65f1ac311b4540e077bf2566db54673c50722a4c492b
ripemd-160
4de08488a5e704910446324e8425ba23a696975f
Diameter
1642840292
Circumference
5161134992.3685
Area
2.1197301294785E+18
Volume
2.3215853765825E+27
Surface area
8.4789205179141E+18
Circumference
5161134992.3685
Perimeter
3285680584
Area
674731056254661316
Diagonal
1161663510.8797
Surface area
4048386337527967896
Volume
5.5423768273944E+26
Space diagonal
1422741427.2326
Perimeter
2464260438
Area
2.9216711771942E+17
Altitude
711370713.61632
Surface area
2.9216711771942E+17
Volume
6.5317537309029E+25
Height
387221170.29323