20512197 is an odd 8-digits composite number following 20512196
and preceding 20512198 . In scientific notation, it is written as 2.0512197 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13483584 positive integers (up to 20512197) that are relatively prime to 20512197.
20512197 has 12 divisors, whose sum is 23366980
The reverse of 20512197 is 79121502
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred twelve thousand one hundred ninety-seven
Scientific notation
2.0512197 × 10^7
Engineering notation
2.0512197 × 10^6
Prime Factorization
9 × 9 × 73 × 3469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2279133
Product of the distinct prime numbers
The prime factorization of 20512197 is 9 × 9 × 73 × 3469.
Since it has a total of 4 prime factors.
4 , 8 , 93 , 54 , 915 , 618 , 8585 , 9469 , 82904 , 10506 , 62412 , 917700 , 2780053 , 63427 , 66041518 , 13430126 , 433001966 , 576334334 , 4861599676 , 1020437116
n×2
41024394
n×3
61536591
n×4
82048788
n×5
102560985
n÷2
10256098.5
n÷3
6837399
n÷3
5128049.25
n÷5
4102439.4
n2
420750225766809
n3
8.6305115187233E+21
n4
1.7703075248282E+29
n5
3.6312896699859E+36
2 √n
4529.0393021037
3 √n
273.73945164834
4 √n
67.298137434135
5 √n
29.000296340092
1 , 9 , 73 , 81 , 657 , 3469 , 5913 , 31221 , 253237 , 280989 , 2279133 , 20512197
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512196
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512197 can be divided by 12 positive divisors.
The sum of these divisors (counting 20512197) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001111110111000101
3
Ternary
1102121010110000
4
Quaternary
1032033313011
5
Quinary
20222342242
6
Senary
2011351513
8
Octal
116176705
10
Decimal
20512197
12
Duodecimal
6a52599
16
Hexadecimal
138fdc5
20
Vigesimal
68409h
36
Base36
c7nb9
md5
ca60b0e086302ed3beadc1f7aee04627
sha1
4d3928b0747d231fa6974e21deaa44b9a913d6f6
sha256
dc9fdd651e215aa8917ba4163b625a631e927fb84d46f280f4327c5922ca0b0b
sha512
e8216112c8e13e795239743f5e478471956fb900112e24f9ffe02b5757eac37603f28d717b69e9b3327aebcf4da945055db946cc783a2a2a679642b3031d52ec
ripemd-160
a43df7dcd71a17b20f33e93ae1053ed7ac82ccc4
Diameter
41024394
Circumference
128881934.80837
Area
1.3218258182653E+15
Volume
3.6151402111924E+22
Surface area
5.287303273061E+15
Circumference
128881934.80837
Perimeter
82048788
Area
420750225766809
Diagonal
29008627.191469
Surface area
2524501354600854
Volume
8.6305115187233E+21
Space diagonal
35528167.378862
Perimeter
61536591
Area
1.8219019208105E+14
Altitude
17764083.689431
Surface area
1.8219019208105E+14
Volume
1.0171155366663E+21
Height
9669542.3971562