20395280 is an even 8-digits composite number following 20395279
and preceding 20395281 . In scientific notation, it is written as 2.0395280 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 8158080 positive integers (up to 20395280) that are relatively prime to 20395280.
20395280 has 20 divisors, whose sum is 47419212
The reverse of 20395280 is 08259302
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million three hundred ninety-five thousand two hundred eighty
Scientific notation
2.0395280 × 10^7
Engineering notation
2.0395280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 254941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2549410
Product of the distinct prime numbers
The prime factorization of 20395280 is 2 × 2 × 2 × 2 × 5 × 254941.
Since it has a total of 6 prime factors.
1 , 6 , 82 , 85 , 679 , 80 , 4703 , 9429 , 20813 , 53743 , 719668 , 94002 , 9558269 , 9710175 , 14830897 , 19387024 , 368926108 , 534347423 , 1415620225 , 6229576148
n×2
40790560
n×3
61185840
n×4
81581120
n×5
101976400
n÷2
10197640
n÷3
6798426.6666667
n÷3
5098820
n÷5
4079056
n2
415967446278400
n3
8.4837725377329E+21
n4
1.7302891636337E+29
n5
3.5289731973276E+36
2 √n
4516.1133732447
3 √n
273.21836661527
4 √n
67.202033996336
5 √n
28.967161082518
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 254941 , 509882 , 1019764 , 1274705 , 2039528 , 2549410 , 4079056 , 5098820 , 10197640 , 20395280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20395279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20395280 can be divided by 20 positive divisors.
The sum of these divisors (counting 20395280) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101110011010100010000
3
Ternary
1102101012001202
4
Quaternary
1031303110100
5
Quinary
20210122110
6
Senary
2005050332
8
Octal
115632420
10
Decimal
20395280
12
Duodecimal
69b69a8
16
Hexadecimal
1373510
20
Vigesimal
679840
36
Base36
c553k
md5
de77176cd860562a61204a40feec2276
sha1
ed4b4721eb86a8ceaad57149d3ce09850260ad05
sha256
63ab9e496f7b0907a92e6de88a1d904c2ff51a1a7fdea82b2ec0199c183d83bb
sha512
eb9937998e7401805658a3e8ee1d768aa8257d473ce440403be953b9d36134aae5cf7cba3b638e390ee05b6a0f7885791b59d6a3beb660b83ac05eb6967a166a
ripemd-160
e490467f30dc81766be9ee6dda7a7ebc0fb121ba
Diameter
40790560
Circumference
128147323.63181
Area
1.3068002733607E+15
Volume
3.5536743305691E+22
Surface area
5.2272010934429E+15
Circumference
128147323.63181
Perimeter
81581120
Area
415967446278400
Diagonal
28843281.584397
Surface area
2495804677670400
Volume
8.4837725377329E+21
Space diagonal
35325661.194593
Perimeter
61185840
Area
1.8011918781222E+14
Altitude
17662830.597297
Surface area
1.8011918781222E+14
Volume
9.9982218191253E+20
Height
9614427.1947989