20512490 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand four hundred ninety

Notation

Scientific notation 2.0512490 × 10^7
Engineering notation 2.0512490 × 10^6

Prime Factorization of 20512490

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.

Most popular turbo-numbers

Basic calculations (n = 20512490)

Multiplication

n×y
n×2 41024980
n×3 61537470
n×4 82049960
n×5 102562450

Division

n÷y
n÷2 10256245
n÷3 6837496.6666667
n÷3 5128122.5
n÷5 4102498

Exponentiation

ny
n2 420762246000100
n3 8.6308813634546E+21
n4 1.7704086765905E+29
n5 3.6315490274476E+36

Nth Root

y√n
2√n 4529.071648804
3√n 273.74075502372
4√n 67.298377757595
5√n 29.000379188733

Divisors of 20512490

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 conversion 20512490

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

Cryptographic Hash Functions

md5 a52e869872fc440cc599cbef248d3613
sha1 b070503ef2309510e5e0a5c5d89b3a1228ee8fed
sha256 07c275a5f4c9e4d853ea3d89b671fb05359265d12df80881bf0ef5ea519be1bd
sha512 4961294112fd989cceb6114e43effa27184461826dab2218453319e46610f551acba408bef2b5878724b4a8df8ae343e8c156c7c6ed1ec962bf77d8efec5a8fa
ripemd-160 965e42ca37e492a7f726f2d95e1f7b62df90e25c

20512490 as geometric shapes

Circle

Radius = n
Diameter 41024980
Circumference 128883775.78167
Area 1.3218635809419E+15

Sphere

Radius = n
Volume 3.6152951313912E+22
Surface area 5.2874543237674E+15
Circumference 128883775.78167

Square

Length = n
Perimeter 82049960
Area 420762246000100
Diagonal 29009041.556042

Cube

Length = n
Surface area 2524573476000600
Volume 8.6308813634546E+21
Space diagonal 35528674.869749

Equilateral Triangle

Length = n
Perimeter 61537470
Area 1.8219539699474E+14
Altitude 17764337.434874

Triangular Pyramid

Length = n
Surface area 1.8219539699474E+14
Volume 1.0171591232859E+21
Height 9669680.5186808