20105209 (number)

20105209 is an odd 8-digits composite number following 20105208 and preceding 20105210. In scientific notation, it is written as 2.0105209 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19577376 positive integers (up to 20105209) that are relatively prime to 20105209.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand two hundred nine

Notation

Scientific notation 2.0105209 × 10^7
Engineering notation 2.0105209 × 10^6

Prime Factorization of 20105209

Prime Factorization 43 × 937 × 499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105209
Product of the distinct prime numbers

The prime factorization of 20105209 is 43 × 937 × 499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 12, 17, 829, 112, 6962, 815, 7431, 80471, 302880, 61361, 260339, 9772801, 94357231, 74118372, 188228936, 650081328, 1312522630, 3080859765

Basic calculations (n = 20105209)

Multiplication

n×y
n×2 40210418
n×3 60315627
n×4 80420836
n×5 100526045

Division

n÷y
n÷2 10052604.5
n÷3 6701736.3333333
n÷3 5026302.25
n÷5 4021041.8

Exponentiation

ny
n2 404219428933681
n3 8.1269161005723E+21
n4 1.6339334672747E+29
n5 3.2850573851653E+36

Nth Root

y√n
2√n 4483.8832500412
3√n 271.9168980921
4√n 66.961804411479
5√n 28.884291445298

Divisors of 20105209

1, 43, 499, 937, 21457, 40291, 467563, 20105209

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 -20105208
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 20105209 can be divided by 8 positive divisors. The sum of these divisors (counting 20105209) is 1, the average is 0.125.

Base conversion 20105209

Base System Value
2 Binary 1001100101100011111111001
3 Ternary 1101211110011101
4 Quaternary 1030230133321
5 Quinary 20121331314
6 Senary 1554531401
8 Octal 114543771
10 Decimal 20105209
12 Duodecimal 6896b61
16 Hexadecimal 132c7f9
20 Vigesimal 65d309
36 Base36 byxa1

Cryptographic Hash Functions

md5 eef5c94510929f87c521dcfb62e6b752
sha1 e29dbf5a5d2df92e30b4356c64ea1026956a1e1c
sha256 bd71aeda0ee59efb555d4bab9953d3121aad6ad55f716e916e36412e41c1ab90
sha512 7932cd57f16f2208a5bb3083a4699919cee972218961c3f533f48c0bcd436f0b0cc153d8a208cda33063b35c9effb06bc815b020fe7f5aa8c99b22bceabeed87
ripemd-160 335699b9ef35e32e73dedd1e6693d1e933c38bb5

20105209 as geometric shapes

Circle

Radius = n
Diameter 40210418
Circumference 126324753.78657
Area 1.2698927883763E+15

Sphere

Radius = n
Volume 3.4041946557198E+22
Surface area 5.0795711535053E+15
Circumference 126324753.78657

Square

Length = n
Perimeter 80420836
Area 404219428933681
Diagonal 28433059.242146

Cube

Length = n
Surface area 2425316573602086
Volume 8.1269161005723E+21
Space diagonal 34823243.484791

Equilateral Triangle

Length = n
Perimeter 60315627
Area 1.750321470799E+14
Altitude 17411621.742396

Triangular Pyramid

Length = n
Surface area 1.750321470799E+14
Volume 9.577662474748E+20
Height 9477686.4140485