20185209 (number)

20185209 is an odd 8-digits composite number following 20185208 and preceding 20185210. In scientific notation, it is written as 2.0185209 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 11999520 positive integers (up to 20185209) that are relatively prime to 20185209.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-five thousand two hundred nine

Notation

Scientific notation 2.0185209 × 10^7
Engineering notation 2.0185209 × 10^6

Prime Factorization of 20185209

Prime Factorization 11 × 3 × 3 × 53 × 3847

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6728403
Product of the distinct prime numbers

The prime factorization of 20185209 is 11 × 3 × 3 × 53 × 3847. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 35, 50, 482, 252, 4973, 7679, 37774, 92860, 338434, 155080, 296907, 4336671, 98138621, 12146989, 715678812, 810841114, 589665292, 6116579224

Basic calculations (n = 20185209)

Multiplication

n×y
n×2 40370418
n×3 60555627
n×4 80740836
n×5 100926045

Division

n÷y
n÷2 10092604.5
n÷3 6728403
n÷3 5046302.25
n÷5 4037041.8

Exponentiation

ny
n2 407442662373681
n3 8.2243152955292E+21
n4 1.6600952312215E+29
n5 3.350936920211E+36

Nth Root

y√n
2√n 4492.7952323693
3√n 272.27707942237
4√n 67.028316645797
5√n 28.907241460189

Divisors of 20185209

1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 3847, 5247, 11541, 34623, 42317, 126951, 203891, 380853, 611673, 1835019, 2242801, 6728403, 20185209

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20185208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20185209 can be divided by 24 positive divisors. The sum of these divisors (counting 20185209) is 1, the average is 0.041666666666667.

Base conversion 20185209

Base System Value
2 Binary 1001101000000000001111001
3 Ternary 1101222111220100
4 Quaternary 1031000001321
5 Quinary 20131411314
6 Senary 2000350013
8 Octal 115000171
10 Decimal 20185209
12 Duodecimal 6915309
16 Hexadecimal 1340079
20 Vigesimal 663309
36 Base36 c0n09

Cryptographic Hash Functions

md5 04dfe640fbfa60b3cce253e273fdead8
sha1 aa413cf18783c53895ac0344d24091ca8fb91564
sha256 d6688c9d6ad096613f52dc2bce04126ba55ce245e58ca11cc9650313fb44e0ac
sha512 f73a59938d526b4f2ebaa944ba2971dd3dd28758780056df49011594e14f3b4b858045624552d9572ca61c86be84586a6ba7053c5c298d302ec21f9a25ee73e7
ripemd-160 5258d6370cc15bbdff278d2e41295ff75fd1bd08

20185209 as geometric shapes

Circle

Radius = n
Diameter 40370418
Circumference 126827408.61115
Area 1.2800188748722E+15

Sphere

Radius = n
Volume 3.4449931350988E+22
Surface area 5.1200754994889E+15
Circumference 126827408.61115

Square

Length = n
Perimeter 80740836
Area 407442662373681
Diagonal 28546196.327135

Cube

Length = n
Surface area 2444655974242086
Volume 8.2243152955292E+21
Space diagonal 34961807.549397

Equilateral Triangle

Length = n
Perimeter 60555627
Area 1.7642784810059E+14
Altitude 17480903.774698

Triangular Pyramid

Length = n
Surface area 1.7642784810059E+14
Volume 9.6924485268082E+20
Height 9515398.7757118