820161236 is an even 9-digits composite number following 820161235
and preceding 820161237 . In scientific notation, it is written as 8.20161236 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 410016960 positive integers (up to 820161236) that are relatively prime to 820161236.
820161236 has 12 divisors, whose sum is 1435504980
The reverse of 820161236 is 632161028
Previous prime number is 22861
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
eight hundred twenty million one hundred sixty-one thousand two hundred thirty-six
Scientific notation
8.20161236 × 10^8
Engineering notation
8.20161236 × 10^6
Prime Factorization
2 × 2 × 22861 × 8969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
410080618
Product of the distinct prime numbers
The prime factorization of 820161236 is 2 × 2 × 22861 × 8969.
Since it has a total of 4 prime factors.
10 , 7 , 86 , 28 , 662 , 980 , 6128 , 5845 , 38707 , 68434 , 976165 , 199385 , 4374267 , 1114153 , 98926784 , 86582910 , 613722495 , 246526748 , 9577333897 , 5264864274
n×2
1640322472
n×3
2460483708
n×4
3280644944
n×5
4100806180
n÷2
410080618
n÷3
273387078.66667
n÷3
205040309
n÷5
164032247.2
n2
672664453037047696
n3
5.5169330921613E+26
n4
4.5247746637963E+35
n5
3.7110447808807E+44
2 √n
28638.457290853
3 √n
936.05150598055
4 √n
169.22900842011
5 √n
60.642884125071
1 , 2 , 4 , 8969 , 17938 , 22861 , 35876 , 45722 , 91444 , 205040309 , 410080618 , 820161236
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
-820161235
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 820161236 can be divided by 12 positive divisors.
The sum of these divisors (counting 820161236) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111000101010101011010100
3
Ternary
2010011021111201002
4
Quaternary
300320222223110
5
Quinary
3134430124421
6
Senary
213214522432
8
Octal
6070525324
10
Decimal
820161236
12
Duodecimal
1aa806418
16
Hexadecimal
30e2aad4
20
Vigesimal
cg6031g
36
Base36
dkawgk
md5
56fcee04e57bf3b6833cfe531e73e18c
sha1
5fc62fe995edfeda4ae54f96ef4afb182aeb759e
sha256
b14622a4f51076ff9b6e508672175ad3c5f5357c837bebc57330bf389a1a5e5d
sha512
f539c14908de824157a08d7a171a2c505c0f4a2ffe14b185cfba3d51995623bf4982a925aafa88db5bb2fb67140747249a0816ced3c9257db5fdf64a1b4475ec
ripemd-160
ebe17458663ae3127034df3810fe4d73d88c38a3
Diameter
1640322472
Circumference
5153225027.5534
Area
2.1132377039922E+18
Volume
2.3109275296907E+27
Surface area
8.4529508159687E+18
Circumference
5153225027.5534
Perimeter
3280644944
Area
672664453037047696
Diagonal
1159883143.2839
Surface area
4035986718222286176
Volume
5.5169330921613E+26
Space diagonal
1420560931.1505
Perimeter
2460483708
Area
2.9127225227642E+17
Altitude
710280465.57524
Surface area
2.9127225227642E+17
Volume
6.5017680013662E+25
Height
386627714.42796