20512297 is an odd 8-digits composite number following 20512296
and preceding 20512298 . In scientific notation, it is written as 2.0512297 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 17519040 positive integers (up to 20512297) that are relatively prime to 20512297.
20512297 has 16 divisors, whose sum is 23804928
The reverse of 20512297 is 79221502
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred twelve thousand two hundred ninety-seven
Scientific notation
2.0512297 × 10^7
Engineering notation
2.0512297 × 10^6
Prime Factorization
13 × 31 × 23 × 2213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512297
Product of the distinct prime numbers
The prime factorization of 20512297 is 13 × 31 × 23 × 2213.
Since it has a total of 4 prime factors.
4 , 5 , 35 , 45 , 643 , 9 , 9473 , 148 , 15544 , 58632 , 821443 , 936760 , 1778254 , 9506425 , 33609855 , 65835967 , 834585553 , 128291036 , 2432459313 , 8480340211
n×2
41024594
n×3
61536891
n×4
82049188
n×5
102561485
n÷2
10256148.5
n÷3
6837432.3333333
n÷3
5128074.25
n÷5
4102459.4
n2
420754328216209
n3
8.6306377444064E+21
n4
1.7703420471267E+29
n5
3.6313781862252E+36
2 √n
4529.0503419591
3 √n
273.73989648775
4 √n
67.298219456083
5 √n
29.000324616185
1 , 13 , 23 , 31 , 299 , 403 , 713 , 2213 , 9269 , 28769 , 50899 , 68603 , 661687 , 891839 , 1577869 , 20512297
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
-20512296
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 20512297 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512297) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111111000101001
3
Ternary
1102121010120201
4
Quaternary
1032033320221
5
Quinary
20222343142
6
Senary
2011352201
8
Octal
116177051
10
Decimal
20512297
12
Duodecimal
6a52661
16
Hexadecimal
138fe29
20
Vigesimal
6840eh
36
Base36
c7ne1
md5
7bd2a821467b9079ef30fba332473874
sha1
e2ec34c5ed28b8e33df25c245d87b134bba3a838
sha256
40cf1bba2df1afef665937b4f650231efdfc5ef507e0ddece893a4a35ca1e4ce
sha512
a1321d6065b4703892dd108722b6990eb2a56ce7dbad5bda3f29cad714d3d07e00a91aabc9a3f444d418ce7036320a1d77d0d15141fae15995d4c1fae09467c4
ripemd-160
a86da928a22ac91f677a15c8f73207bec4dd5f45
Diameter
41024594
Circumference
128882563.1269
Area
1.3218387064902E+15
Volume
3.6151930844829E+22
Surface area
5.2873548259606E+15
Circumference
128882563.1269
Perimeter
82049188
Area
420754328216209
Diagonal
29008768.612825
Surface area
2524525969297254
Volume
8.6306377444064E+21
Space diagonal
35528340.583943
Perimeter
61536891
Area
1.8219196849375E+14
Altitude
17764170.291971
Surface area
1.8219196849375E+14
Volume
1.0171304125057E+21
Height
9669589.5376083