20512490 is an even 8-digits composite number following 20512489
and preceding 20512491 . In scientific notation, it is written as 2.0512490 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 8204992 positive integers (up to 20512490) that are relatively prime to 20512490.
20512490 has 8 divisors, whose sum is 36922500
The reverse of 20512490 is 09421502
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred twelve thousand four hundred ninety
Scientific notation
2.0512490 × 10^7
Engineering notation
2.0512490 × 10^6
Prime Factorization
2 × 5 × 2051249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512490
Product of the distinct prime numbers
The prime factorization of 20512490 is 2 × 5 × 2051249.
Since it has a total of 3 prime factors.
7 , 2 , 11 , 66 , 599 , 989 , 9070 , 649 , 54834 , 22591 , 382121 , 220816 , 1413473 , 3786125 , 20942121 , 50329698 , 972961496 , 167943536 , 9400962736 , 398500559
n×2
41024980
n×3
61537470
n×4
82049960
n×5
102562450
n÷2
10256245
n÷3
6837496.6666667
n÷3
5128122.5
n÷5
4102498
n2
420762246000100
n3
8.6308813634546E+21
n4
1.7704086765905E+29
n5
3.6315490274476E+36
2 √n
4529.071648804
3 √n
273.74075502372
4 √n
67.298377757595
5 √n
29.000379188733
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
-20512489
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 20512490 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111111011101010
3
Ternary
1102121010211212
4
Quaternary
1032033323222
5
Quinary
20222344430
6
Senary
2011353122
8
Octal
116177352
10
Decimal
20512490
12
Duodecimal
6a527a2
16
Hexadecimal
138feea
20
Vigesimal
68414a
36
Base36
c7nje
md5
a52e869872fc440cc599cbef248d3613
sha1
b070503ef2309510e5e0a5c5d89b3a1228ee8fed
sha256
07c275a5f4c9e4d853ea3d89b671fb05359265d12df80881bf0ef5ea519be1bd
sha512
4961294112fd989cceb6114e43effa27184461826dab2218453319e46610f551acba408bef2b5878724b4a8df8ae343e8c156c7c6ed1ec962bf77d8efec5a8fa
ripemd-160
965e42ca37e492a7f726f2d95e1f7b62df90e25c
Diameter
41024980
Circumference
128883775.78167
Area
1.3218635809419E+15
Volume
3.6152951313912E+22
Surface area
5.2874543237674E+15
Circumference
128883775.78167
Perimeter
82049960
Area
420762246000100
Diagonal
29009041.556042
Surface area
2524573476000600
Volume
8.6308813634546E+21
Space diagonal
35528674.869749
Perimeter
61537470
Area
1.8219539699474E+14
Altitude
17764337.434874
Surface area
1.8219539699474E+14
Volume
1.0171591232859E+21
Height
9669680.5186808