20717809 is an odd 8-digits composite number following 20717808
and preceding 20717810 . In scientific notation, it is written as 2.0717809 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16823376 positive integers (up to 20717809) that are relatively prime to 20717809.
20717809 has 8 divisors, whose sum is 24923840
The reverse of 20717809 is 90871702
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred seventeen thousand eight hundred nine
Scientific notation
2.0717809 × 10^7
Engineering notation
2.0717809 × 10^6
Prime Factorization
7 × 19 × 155773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20717809
Product of the distinct prime numbers
The prime factorization of 20717809 is 7 × 19 × 155773.
Since it has a total of 3 prime factors.
3 , 6 , 59 , 14 , 174 , 670 , 5153 , 9089 , 16631 , 1871 , 91254 , 154434 , 2453663 , 2849852 , 29530557 , 99153542 , 23930915 , 749891228 , 8348240037 , 6372715014
n×2
41435618
n×3
62153427
n×4
82871236
n×5
103589045
n÷2
10358904.5
n÷3
6905936.3333333
n÷3
5179452.25
n÷5
4143561.8
n2
429227609760481
n3
8.8926556365442E+21
n4
1.842363409807E+29
n5
3.8169733232969E+36
2 √n
4551.6819968007
3 √n
274.65105714409
4 √n
67.466154453924
5 √n
29.058203774446
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
-20717808
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 20717809 can be divided by 8 positive divisors.
The sum of these divisors (counting 20717809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000010000011110001
3
Ternary
1102222120111021
4
Quaternary
1033002003301
5
Quinary
20300432214
6
Senary
2020015441
8
Octal
117020361
10
Decimal
20717809
12
Duodecimal
6b31581
16
Hexadecimal
13c20f1
20
Vigesimal
699ea9
36
Base36
cc1yp
md5
6524f18ff84e5013661fc7e712847995
sha1
1ed0de45379e93ca191c42054e9cdb7083fc13a7
sha256
18e4d6b7c90bfa8418527645e67d8f6db8cf2e6b3a0b1b912ee1f16ae577983e
sha512
72d10402d854098d4b799d2443c244ba89aa165e6434694ff436492122bcaaf1eac6b5084530e95c398c30ff75968d02409bec8eb6b0e64b5e19e3c39049d436
ripemd-160
40fa171b5c179599db1c7860f0a1b3e75ec3c0a4
Diameter
41435618
Circumference
130173833.10575
Area
1.3484583055414E+15
Volume
3.7249468824895E+22
Surface area
5.3938332221657E+15
Circumference
130173833.10575
Perimeter
82871236
Area
429227609760481
Diagonal
29299406.470455
Surface area
2575365658562886
Volume
8.8926556365442E+21
Space diagonal
35884297.809508
Perimeter
62153427
Area
1.8586100702912E+14
Altitude
17942148.904754
Surface area
1.8586100702912E+14
Volume
1.0480095172262E+21
Height
9766468.8234851