20008191 is an odd 8-digits composite number following 20008190
and preceding 20008192 . In scientific notation, it is written as 2.0008191 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11433240 positive integers (up to 20008191) that are relatively prime to 20008191.
20008191 has 8 divisors, whose sum is 30488704
The reverse of 20008191 is 19180002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight thousand one hundred ninety-one
Scientific notation
2.0008191 × 10^7
Engineering notation
2.0008191 × 10^6
Prime Factorization
3 × 7 × 952771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20008191
Product of the distinct prime numbers
The prime factorization of 20008191 is 3 × 7 × 952771.
Since it has a total of 3 prime factors.
6 , 3 , 59 , 38 , 786 , 822 , 9904 , 4020 , 17422 , 34316 , 206319 , 97301 , 5942571 , 2395583 , 13364957 , 58555749 , 309438850 , 938354308 , 7700335546 , 3206946525
n×2
40016382
n×3
60024573
n×4
80032764
n×5
100040955
n÷2
10004095.5
n÷3
6669397
n÷3
5002047.75
n÷5
4001638.2
n2
400327707092481
n3
8.0098332260984E+21
n4
1.6026227306592E+29
n5
3.2065581695971E+36
2 √n
4473.0516428944
3 √n
271.47881292633
4 √n
66.88087651111
5 √n
28.856361162048
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
-20008190
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 20008191 can be divided by 8 positive divisors.
The sum of these divisors (counting 20008191) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010100110011111111
3
Ternary
1101122112002010
4
Quaternary
1030110303333
5
Quinary
20110230231
6
Senary
1552502303
8
Octal
114246377
10
Decimal
20008191
12
Duodecimal
684a993
16
Hexadecimal
1314cff
20
Vigesimal
65109b
36
Base36
bwuf3
md5
e4867141a7b35a69ce3820782ecf1833
sha1
6b649417cda684130723c5ca23c184777082802c
sha256
950f8fa29d267052394a09c616a1f4e46efb81baf2075a8ec9c699e2c052cdc0
sha512
957869037bb8e9f1db86446028e902d9a14d74a4a187094eed5c07fc6a5dd7bc79a94b824771b965ab374696b0472434242c495e6257a46d0af7709849f1b0be
ripemd-160
b5cdce0f1c59e8a4176bc4425c70548f15fc1e0d
Diameter
40016382
Circumference
125715171.71444
Area
1.2576665836302E+15
Volume
3.3551510959454E+22
Surface area
5.0306663345207E+15
Circumference
125715171.71444
Perimeter
80032764
Area
400327707092481
Diagonal
28295855.070751
Surface area
2401966242554886
Volume
8.0098332260984E+21
Space diagonal
34655203.379542
Perimeter
60024573
Area
1.7334698209043E+14
Altitude
17327601.689771
Surface area
1.7334698209043E+14
Volume
9.4396789839125E+20
Height
9431951.6902504