20808465 is an odd 8-digits composite number following 20808464
and preceding 20808466 . In scientific notation, it is written as 2.0808465 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 11097840 positive integers (up to 20808465) that are relatively prime to 20808465.
20808465 has 8 divisors, whose sum is 33293568
The reverse of 20808465 is 56480802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred eight thousand four hundred sixty-five
Scientific notation
2.0808465 × 10^7
Engineering notation
2.0808465 × 10^6
Prime Factorization
3 × 5 × 1387231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20808465
Product of the distinct prime numbers
The prime factorization of 20808465 is 3 × 5 × 1387231.
Since it has a total of 3 prime factors.
9 , 5 , 73 , 41 , 876 , 225 , 6914 , 8302 , 15184 , 23306 , 234863 , 264461 , 5094562 , 7550494 , 3914028 , 64137841 , 21511524 , 933910397 , 4240923275 , 6040385948
n×2
41616930
n×3
62425395
n×4
83233860
n×5
104042325
n÷2
10404232.5
n÷3
6936155
n÷3
5202116.25
n÷5
4161693
n2
432992215656225
n3
9.009903364755E+21
n4
1.8748225881889E+29
n5
3.9012180207537E+36
2 √n
4561.6296430114
3 √n
275.0510759125
4 √n
67.539837451769
5 √n
29.083589680564
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
-20808464
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 20808465 can be divided by 8 positive divisors.
The sum of these divisors (counting 20808465) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000001100010001
3
Ternary
1110011011211220
4
Quaternary
1033120030101
5
Quinary
20311332330
6
Senary
2021555253
8
Octal
117301421
10
Decimal
20808465
12
Duodecimal
6b75b29
16
Hexadecimal
13d8311
20
Vigesimal
6a1135
36
Base36
cdzwx
md5
1dfe2d1066caa9cb8a3f538104097044
sha1
0f7a655c3b60458c21bcb825116513d6a3bd4c3e
sha256
e1ea6f5b9d235723660790063017f08aa74510a95b0edcd48de254e5b6594de4
sha512
b0220805dad927daec75eae74199a5c3b075d6a03d584beda9883f41f18c9f57c7658256794330f24d123981f7df5c174781b5b6cefc0cfd1af10840d91b3fc4
ripemd-160
3e3d3fa065a6633e59bc94f0a69b4489edb9c9bc
Diameter
41616930
Circumference
130743441.55296
Area
1.3602851637672E+15
Volume
3.7740594960358E+22
Surface area
5.4411406550687E+15
Circumference
130743441.55296
Perimeter
83233860
Area
432992215656225
Diagonal
29427613.415166
Surface area
2597953293937350
Volume
9.009903364755E+21
Space diagonal
36041318.607519
Perimeter
62425395
Area
1.874911291996E+14
Altitude
18020659.303759
Surface area
1.874911291996E+14
Volume
1.061827294509E+21
Height
9809204.471722