20185385 (number)

20185385 is an odd 8-digits composite number following 20185384 and preceding 20185386. In scientific notation, it is written as 2.0185385 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 14680240 positive integers (up to 20185385) that are relatively prime to 20185385.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-five thousand three hundred eighty-five

Notation

Scientific notation 2.0185385 × 10^7
Engineering notation 2.0185385 × 10^6

Prime Factorization of 20185385

Prime Factorization 11 × 5 × 367007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20185385
Product of the distinct prime numbers

The prime factorization of 20185385 is 11 × 5 × 367007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20185385)

Multiplication

n×y
n×2 40370770
n×3 60556155
n×4 80741540
n×5 100926925

Division

n÷y
n÷2 10092692.5
n÷3 6728461.6666667
n÷3 5046346.25
n÷5 4037077

Exponentiation

ny
n2 407449767598225
n3 8.2245304271307E+21
n4 1.6601531311585E+29
n5 3.3510830111389E+36

Nth Root

y√n
2√n 4492.8148192419
3√n 272.27787077124
4√n 67.028462754579
5√n 28.90729186994

Divisors of 20185385

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 -20185384
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 20185385 can be divided by 8 positive divisors. The sum of these divisors (counting 20185385) is 1, the average is 0.125.

Base conversion 20185385

Base System Value
2 Binary 1001101000000000100101001
3 Ternary 1101222112010212
4 Quaternary 1031000010221
5 Quinary 20131413020
6 Senary 2000350505
8 Octal 115000451
10 Decimal 20185385
12 Duodecimal 6915435
16 Hexadecimal 1340129
20 Vigesimal 663395
36 Base36 c0n55

Cryptographic Hash Functions

md5 c84d52aece8cc53a2f3986c73d77c67d
sha1 ca1c9620342c01f098c26f246e6c2d2b2800534c
sha256 3b73b0443605d999a86ba481abbab2340c29a702a909b3d1b37b5f2ab8190f42
sha512 bb2f6a7d5b5a0adb43b895fa05be32a9aff1a5067f8b70a49b4c255075c23dda44ce97284befc8d8f75cfcf1d6646a04b99995929acdc37783ce8cbe8298dbe7
ripemd-160 9a81005c2b5bdf17bb56e547ed8e9633301b4afc

20185385 as geometric shapes

Circle

Radius = n
Diameter 40370770
Circumference 126828514.45176
Area 1.2800411965935E+15

Sphere

Radius = n
Volume 3.4450832492133E+22
Surface area 5.1201647863738E+15
Circumference 126828514.45176

Square

Length = n
Perimeter 80741540
Area 407449767598225
Diagonal 28546445.228722

Cube

Length = n
Surface area 2444698605589350
Volume 8.2245304271307E+21
Space diagonal 34962112.390339

Equilateral Triangle

Length = n
Perimeter 60556155
Area 1.7643092475306E+14
Altitude 17481056.195169

Triangular Pyramid

Length = n
Surface area 1.7643092475306E+14
Volume 9.692702061832E+20
Height 9515481.7429075