820162081 is an odd 9-digits composite number following 820162080
and preceding 820162082 . In scientific notation, it is written as 8.20162081 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 805832352 positive integers (up to 820162081) that are relatively prime to 820162081.
820162081 has 8 divisors, whose sum is 834577920
The reverse of 820162081 is 180261028
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
eight hundred twenty million one hundred sixty-two thousand eighty-one
Scientific notation
8.20162081 × 10^8
Engineering notation
8.20162081 × 10^6
Prime Factorization
73 × 263 × 42719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
820162081
Product of the distinct prime numbers
The prime factorization of 820162081 is 73 × 263 × 42719.
Since it has a total of 3 prime factors.
6 , 4 , 1 , 24 , 740 , 384 , 2784 , 18 , 44958 , 29250 , 290062 , 541593 , 4909260 , 8763329 , 69427119 , 58817442 , 757930643 , 872192857 , 7845920083 , 7958398614
n×2
1640324162
n×3
2460486243
n×4
3280648324
n×5
4100810405
n÷2
410081040.5
n÷3
273387360.33333
n÷3
205040520.25
n÷5
164032416.2
n2
672665839110250561
n3
5.5169501442227E+26
n4
4.524793311059E+35
n5
3.711063898093E+44
2 √n
28638.472043739
3 √n
936.05182744712
4 √n
169.22905200863
5 √n
60.642896620959
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820162080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820162081 can be divided by 8 positive divisors.
The sum of these divisors (counting 820162081) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111000101010111000100001
3
Ternary
2010011021112212101
4
Quaternary
300320222320201
5
Quinary
3134430141311
6
Senary
213214530401
8
Octal
6070527041
10
Decimal
820162081
12
Duodecimal
1aa806a01
16
Hexadecimal
30e2ae21
20
Vigesimal
cg60541
36
Base36
dkax41
md5
8e5745ca32652a6acc9812a7ddd886dd
sha1
5d1215ff9d5494b859ed9d2876b98f75e3c63bde
sha256
90c63ef8f7f9e8a071549c66a4747f98a6fb78b0ae6893ba13d30bfdcb7e4ea2
sha512
07ab5b5b53395e8973feacbe401ff74d9d21f4b8a1f5f5547580a72ac7da87f0791dd99e9dbb206d8408b6b1da26654b971232d420c201922e12aa910a2d40da
ripemd-160
dccdab7f7456d86125e8525530fc5880dc54c269
Diameter
1640324162
Circumference
5153230336.845
Area
2.1132420584696E+18
Volume
2.3109346724415E+27
Surface area
8.4529682338783E+18
Circumference
5153230336.845
Perimeter
3280648324
Area
672665839110250561
Diagonal
1159884338.2943
Surface area
4035995034661503366
Volume
5.5169501442227E+26
Space diagonal
1420562394.7334
Perimeter
2460486243
Area
2.9127285246373E+17
Altitude
710281197.36671
Surface area
2.9127285246373E+17
Volume
6.5017880974133E+25
Height
386628112.76478