20802609 is an odd 8-digits composite number following 20802608
and preceding 20802610 . In scientific notation, it is written as 2.0802609 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13794480 positive integers (up to 20802609) that are relatively prime to 20802609.
20802609 has 16 divisors, whose sum is 30983040
The reverse of 20802609 is 90620802
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred two thousand six hundred nine
Scientific notation
2.0802609 × 10^7
Engineering notation
2.0802609 × 10^6
Prime Factorization
9 × 3 × 197 × 3911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20802609
Product of the distinct prime numbers
The prime factorization of 20802609 is 9 × 3 × 197 × 3911.
Since it has a total of 4 prime factors.
8 , 8 , 25 , 40 , 764 , 353 , 94 , 7280 , 87018 , 73838 , 637611 , 409222 , 9011925 , 1882015 , 3592428 , 50976649 , 964798719 , 948829160 , 2074229705 , 8418763599
n×2
41605218
n×3
62407827
n×4
83210436
n×5
104013045
n÷2
10401304.5
n÷3
6934203
n÷3
5200652.25
n÷5
4160521.8
n2
432748541206881
n3
9.0022986980471E+21
n4
1.8727129991668E+29
n5
3.8957316290885E+36
2 √n
4560.9877219743
3 √n
275.02527150677
4 √n
67.535085118583
5 √n
29.081952532639
1 , 3 , 9 , 27 , 197 , 591 , 1773 , 3911 , 5319 , 11733 , 35199 , 105597 , 770467 , 2311401 , 6934203 , 20802609
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
-20802608
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 20802609 can be divided by 16 positive divisors.
The sum of these divisors (counting 20802609) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010110110000110001
3
Ternary
1110010212211000
4
Quaternary
1033112300301
5
Quinary
20311140414
6
Senary
2021512213
8
Octal
117266061
10
Decimal
20802609
12
Duodecimal
6b72669
16
Hexadecimal
13d6c31
20
Vigesimal
6a06a9
36
Base36
cdve9
md5
e501ed3b894c97a5daa6fe3d56f5e9e3
sha1
2190ebb2c27025b4c592bbbcdff02089f36feec1
sha256
66c9d34356ef167ab007751e38f0ef9805e5d155d8d1baae2e4c460ddfedc67f
sha512
7e70c3552f91ec16a4f15aef29c9d7c110c62fe99bde8bea919b1de0b4400b3798c2bfc005e45092b118757ff62a85b0382c5b1ed1a1cd8a7926feaf6d748b2e
ripemd-160
742dca14ce99232d9d317b9b67e71d84c8a8fc96
Diameter
41605218
Circumference
130706647.2198
Area
1.3595196379072E+15
Volume
3.7708740606941E+22
Surface area
5.4380785516289E+15
Circumference
130706647.2198
Perimeter
83210436
Area
432748541206881
Diagonal
29419331.780545
Surface area
2596491247241286
Volume
9.0022986980471E+21
Space diagonal
36031175.71799
Perimeter
62407827
Area
1.8738561506791E+14
Altitude
18015587.858995
Surface area
1.8738561506791E+14
Volume
1.0609310759427E+21
Height
9806443.9268482