20512495 is an odd 8-digits composite number following 20512494
and preceding 20512496 . In scientific notation, it is written as 2.0512495 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 15546240 positive integers (up to 20512495) that are relatively prime to 20512495.
20512495 has 8 divisors, whose sum is 25910640
The reverse of 20512495 is 59421502
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred twelve thousand four hundred ninety-five
Scientific notation
2.0512495 × 10^7
Engineering notation
2.0512495 × 10^6
Prime Factorization
5 × 19 × 215921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512495
Product of the distinct prime numbers
The prime factorization of 20512495 is 5 × 19 × 215921.
Since it has a total of 3 prime factors.
3 , 6 , 57 , 76 , 338 , 418 , 6963 , 1505 , 10128 , 55620 , 294778 , 822024 , 7436700 , 7200952 , 33446066 , 53452571 , 165900271 , 892300538 , 1618082114 , 713425147
n×2
41024990
n×3
61537485
n×4
82049980
n×5
102562475
n÷2
10256247.5
n÷3
6837498.3333333
n÷3
5128123.75
n÷5
4102499
n2
420762451125025
n3
8.6308876748898E+21
n4
1.7704104027674E+29
n5
3.6315534534714E+36
2 √n
4529.0722007934
3 √n
273.74077726551
4 √n
67.298381858656
5 √n
29.000380602524
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
-20512494
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 20512495 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512495) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111111011101111
3
Ternary
1102121010212001
4
Quaternary
1032033323233
5
Quinary
20222344440
6
Senary
2011353131
8
Octal
116177357
10
Decimal
20512495
12
Duodecimal
6a527a7
16
Hexadecimal
138feef
20
Vigesimal
68414f
36
Base36
c7njj
md5
c598bfdd8b5048b04ab58422ff1a7ea5
sha1
8734c5630a211d855465023b68506ea36c56ec03
sha256
4993e8a2c5291484e471f60af6a8b10e5e8cdc7dfc409c33c448194385a43772
sha512
df77df864766368fd893a0116bea630e0976aef7ddd70ff7065d0d97af6621b48c818fcb626048b9e5b4fa95c50467d070c21eb4917f7e73506616674480603b
ripemd-160
9787ce3b8b12dc9e34cd8777101eb049fcf49d82
Diameter
41024990
Circumference
128883807.19759
Area
1.3218642253608E+15
Volume
3.615297775119E+22
Surface area
5.2874569014433E+15
Circumference
128883807.19759
Perimeter
82049980
Area
420762451125025
Diagonal
29009048.62711
Surface area
2524574706750150
Volume
8.6308876748898E+21
Space diagonal
35528683.530003
Perimeter
61537485
Area
1.8219548581644E+14
Altitude
17764341.765001
Surface area
1.8219548581644E+14
Volume
1.0171598670957E+21
Height
9669682.8757034