20804903 is an odd 8-digits composite number following 20804902
and preceding 20804904 . In scientific notation, it is written as 2.0804903 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17057304 positive integers (up to 20804903) that are relatively prime to 20804903.
20804903 has 8 divisors, whose sum is 24811008
The reverse of 20804903 is 30940802
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred four thousand nine hundred three
Scientific notation
2.0804903 × 10^7
Engineering notation
2.0804903 × 10^6
Prime Factorization
7 × 23 × 129223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20804903
Product of the distinct prime numbers
The prime factorization of 20804903 is 7 × 23 × 129223.
Since it has a total of 3 prime factors.
7 , 4 , 96 , 60 , 955 , 306 , 4121 , 7056 , 99896 , 7711 , 281106 , 714013 , 2514696 , 2721245 , 19014614 , 41891643 , 798977901 , 154921365 , 7276451154 , 3520225462
n×2
41609806
n×3
62414709
n×4
83219612
n×5
104024515
n÷2
10402451.5
n÷3
6934967.6666667
n÷3
5201225.75
n÷5
4160980.6
n2
432843988839409
n3
9.005277201937E+21
n4
1.8735391867441E+29
n5
3.897880104691E+36
2 √n
4561.2391956573
3 √n
275.03538057183
4 √n
67.536946893217
5 √n
29.082593904657
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
-20804902
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 20804903 can be divided by 8 positive divisors.
The sum of these divisors (counting 20804903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111010100100111
3
Ternary
1110010222221222
4
Quaternary
1033113110213
5
Quinary
20311224103
6
Senary
2021530555
8
Octal
117272447
10
Decimal
20804903
12
Duodecimal
6b73a5b
16
Hexadecimal
13d7527
20
Vigesimal
6a0c53
36
Base36
cdx5z
md5
b9ed3279ad7bc6ddbcf828a1632850b8
sha1
9c517b95ed0a4d3cefb0a9210969f4466fe1c00a
sha256
41d7ca77caf15fcd4a3ebf8e644a18c84034255172ac7fd121c5ced204f72e5c
sha512
8e340f3202027d6610532f5c50a12bbde069cb4099591f5a35b31b01cdad3ef03eaa480c6b80951bafb4dbd305e25d9e5d07c6ab41b61c042098463b850895a8
ripemd-160
b154487d14f111f1c0649e7cc711f9b4e344bda5
Diameter
41609806
Circumference
130721060.8469
Area
1.3598194954884E+15
Volume
3.772121693486E+22
Surface area
5.4392779819536E+15
Circumference
130721060.8469
Perimeter
83219612
Area
432843988839409
Diagonal
29422575.986457
Surface area
2597063933036454
Volume
9.005277201937E+21
Space diagonal
36035149.042542
Perimeter
62414709
Area
1.8742694510516E+14
Altitude
18017574.521271
Surface area
1.8742694510516E+14
Volume
1.0612820959924E+21
Height
9807525.3288189