820161265 is an odd 9-digits composite number following 820161264
and preceding 820161266 . In scientific notation, it is written as 8.20161265 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 494726400 positive integers (up to 820161265) that are relatively prime to 820161265.
820161265 has 16 divisors, whose sum is 882206208
The reverse of 820161265 is 562161028
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
eight hundred twenty million one hundred sixty-one thousand two hundred sixty-five
Scientific notation
8.20161265 × 10^8
Engineering notation
8.20161265 × 10^6
Prime Factorization
35 × 77 × 31 × 9817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
820161265
Product of the distinct prime numbers
The prime factorization of 820161265 is 35 × 77 × 31 × 9817.
Since it has a total of 4 prime factors.
6 , 7 , 84 , 23 , 887 , 688 , 4443 , 3225 , 61328 , 82717 , 836220 , 81721 , 5465468 , 5849285 , 7047396 , 78591916 , 770714711 , 82702949 , 5318836215 , 155102017
n×2
1640322530
n×3
2460483795
n×4
3280645060
n×5
4100806325
n÷2
410080632.5
n÷3
273387088.33333
n÷3
205040316.25
n÷5
164032253
n2
672664500606400225
n3
5.5169336773794E+26
n4
4.5247753037606E+35
n5
3.711045436973E+44
2 √n
28638.457797165
3 √n
936.05151701314
4 √n
169.22900991605
5 √n
60.642884553924
1 , 31 , 35 , 77 , 1085 , 2387 , 2695 , 9817 , 83545 , 304327 , 343595 , 755909 , 10651445 , 23433179 , 26456815 , 820161265
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820161264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820161265 can be divided by 16 positive divisors.
The sum of these divisors (counting 820161265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111000101010101011110001
3
Ternary
2010011021111202011
4
Quaternary
300320222223301
5
Quinary
3134430130030
6
Senary
213214522521
8
Octal
6070525361
10
Decimal
820161265
12
Duodecimal
1aa806441
16
Hexadecimal
30e2aaf1
20
Vigesimal
cg60335
36
Base36
dkawhd
md5
b93c71f94b3d7bd08d959e16c0278ef9
sha1
d1f8434faf38cda2857752f739bc9a25bff30205
sha256
7aaa3a37218788739e2a5fedeed487498026439e68cd1b0e0e1573a7436fc5d3
sha512
efad399c5797d90d63d1ea12ac480716b269b5eab4c57f3ab93c1bdbfdba71c39247cd0df7b1bdfefdc9a00d9b7909bae90ba13f22867f0c57e1662ecf2fe4d3
ripemd-160
40b3d54aafa338c924dfb61e456ee9e6cbcb95fd
Diameter
1640322530
Circumference
5153225209.7658
Area
2.1132378534357E+18
Volume
2.3109277748263E+27
Surface area
8.4529514137429E+18
Circumference
5153225209.7658
Perimeter
3280645060
Area
672664500606400225
Diagonal
1159883184.2961
Surface area
4035987003638401350
Volume
5.5169336773794E+26
Space diagonal
1420560981.38
Perimeter
2460483795
Area
2.9127227287456E+17
Altitude
710280490.68998
Surface area
2.9127227287456E+17
Volume
6.5017686910523E+25
Height
386627728.09869