20512105 (number)

20512105 is an odd 8-digits composite number following 20512104 and preceding 20512106. In scientific notation, it is written as 2.0512105 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 16240128 positive integers (up to 20512105) that are relatively prime to 20512105.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand one hundred five

Notation

Scientific notation 2.0512105 × 10^7
Engineering notation 2.0512105 × 10^6

Prime Factorization of 20512105

Prime Factorization 5 × 97 × 42293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20512105
Product of the distinct prime numbers

The prime factorization of 20512105 is 5 × 97 × 42293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512105)

Multiplication

n×y
n×2 41024210
n×3 61536315
n×4 82048420
n×5 102560525

Division

n÷y
n÷2 10256052.5
n÷3 6837368.3333333
n÷3 5128026.25
n÷5 4102421

Exponentiation

ny
n2 420746451531025
n3 8.6303953921818E+21
n4 1.7702757647595E+29
n5 3.6312082365702E+36

Nth Root

y√n
2√n 4529.029145413
3√n 273.73904239481
4√n 67.298061973678
5√n 29.000270325988

Divisors of 20512105

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 -20512104
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 20512105 can be divided by 8 positive divisors. The sum of these divisors (counting 20512105) is 1, the average is 0.125.

Base conversion 20512105

Base System Value
2 Binary 1001110001111110101101001
3 Ternary 1102121010022121
4 Quaternary 1032033311221
5 Quinary 20222341410
6 Senary 2011351241
8 Octal 116176551
10 Decimal 20512105
12 Duodecimal 6a52521
16 Hexadecimal 138fd69
20 Vigesimal 684055
36 Base36 c7n8p

Cryptographic Hash Functions

md5 65d1164fb42294a8a354be83c0d86643
sha1 766c191785b8a097ae3471c64e466deaf0de1a12
sha256 5a2d476eda20c46badc9e7371be3e03fab454f860525095ad32561b159841d54
sha512 c7842b4c646131f1d665fde44ac080b432bc244b147f7b777bbd014c369c9f99bc82d18b379f4ee8cca30febfcc56f2693e22a84597c2730bad6fae83443b205
ripemd-160 74a1f90bb42cfaa3f21b18fb327d2f53c29b2faf

20512105 as geometric shapes

Circle

Radius = n
Diameter 41024210
Circumference 128881356.75532
Area 1.3218139611538E+15

Sphere

Radius = n
Volume 3.6150915682205E+22
Surface area 5.2872558446154E+15
Circumference 128881356.75532

Square

Length = n
Perimeter 82048420
Area 420746451531025
Diagonal 29008497.083821

Cube

Length = n
Surface area 2524478709186150
Volume 8.6303953921818E+21
Space diagonal 35528008.030188

Equilateral Triangle

Length = n
Perimeter 61536315
Area 1.8218855778901E+14
Altitude 17764004.015094

Triangular Pyramid

Length = n
Surface area 1.8218855778901E+14
Volume 1.0171018510221E+21
Height 9669499.0279403