20080181 is an odd 8-digits composite number following 20080180
and preceding 20080182 . In scientific notation, it is written as 2.0080181 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18181120 positive integers (up to 20080181) that are relatively prime to 20080181.
20080181 has 8 divisors, whose sum is 21993984
The reverse of 20080181 is 18108002
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eighty thousand one hundred eighty-one
Scientific notation
2.0080181 × 10^7
Engineering notation
2.0080181 × 10^6
Prime Factorization
11 × 257 × 7103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20080181
Product of the distinct prime numbers
The prime factorization of 20080181 is 11 × 257 × 7103.
Since it has a total of 3 prime factors.
4 , 2 , 68 , 30 , 436 , 544 , 9909 , 975 , 87103 , 58526 , 911747 , 817189 , 4308859 , 4024209 , 36248173 , 32406425 , 716660100 , 247149812 , 7177022824 , 4774062746
n×2
40160362
n×3
60240543
n×4
80320724
n×5
100400905
n÷2
10040090.5
n÷3
6693393.6666667
n÷3
5020045.25
n÷5
4016036.2
n2
403213668992761
n3
8.0966034550487E+21
n4
1.625812628626E+29
n5
3.2646611854897E+36
2 √n
4481.0914964995
3 √n
271.80401918526
4 √n
66.940955300171
5 √n
28.877096530939
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
-20080180
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 20080181 can be divided by 8 positive divisors.
The sum of these divisors (counting 20080181) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110011000110101
3
Ternary
1101210011211102
4
Quaternary
1030212120311
5
Quinary
20120031211
6
Senary
1554215445
8
Octal
114463065
10
Decimal
20080181
12
Duodecimal
6884585
16
Hexadecimal
1326635
20
Vigesimal
65a091
36
Base36
bydyt
md5
a2d5c1e4e2cc5c2794e433b904b525e2
sha1
feb6489971f1dfb922d3dcab414217b66b6d5e33
sha256
c54d96ae45f88381dd0d2d27da9d9375cc431436e45c9bff65b6a71375e5c02f
sha512
d6da5c4756593b3aa113289343073f0dd499bfd92c3dc5ff5c4443ebbe6b8c42266a5d21fdd1370c39eb301c4dc8c5930c30dda6c01f72a4f7d06c0ae6714259
ripemd-160
a72e0b2c847815b7c8b6de9df4ec772e1195b0c2
Diameter
40160362
Circumference
126167498.22471
Area
1.2667331003346E+15
Volume
3.3914973244548E+22
Surface area
5.0669324013386E+15
Circumference
126167498.22471
Perimeter
80320724
Area
403213668992761
Diagonal
28397664.305107
Surface area
2419282013956566
Volume
8.0966034550487E+21
Space diagonal
34779893.717179
Perimeter
60240543
Area
1.7459664025043E+14
Altitude
17389946.85859
Surface area
1.7459664025043E+14
Volume
9.5419386794056E+20
Height
9465888.1017022