20180205 (number)

20180205 is an odd 8-digits composite number following 20180204 and preceding 20180206. In scientific notation, it is written as 2.0180205 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 10627200 positive integers (up to 20180205) that are relatively prime to 20180205.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand two hundred five

Notation

Scientific notation 2.0180205 × 10^7
Engineering notation 2.0180205 × 10^6

Prime Factorization of 20180205

Prime Factorization 5 × 27 × 83 × 1801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20180205
Product of the distinct prime numbers

The prime factorization of 20180205 is 5 × 27 × 83 × 1801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 12, 23, 220, 921, 9234, 8111, 58990, 30908, 24602, 384293, 1728692, 7486258, 73677570, 86620638, 361619005, 535906649, 1833013120, 2601330623

Basic calculations (n = 20180205)

Multiplication

n×y
n×2 40360410
n×3 60540615
n×4 80720820
n×5 100901025

Division

n÷y
n÷2 10090102.5
n÷3 6726735
n÷3 5045051.25
n÷5 4036041

Exponentiation

ny
n2 407240673842025
n3 8.2182002824702E+21
n4 1.6584496643131E+29
n5 3.3467854208019E+36

Nth Root

y√n
2√n 4492.2383062344
3√n 272.25457801043
4√n 67.024162107664
5√n 28.905808072184

Divisors of 20180205

1, 5, 27, 83, 135, 415, 1801, 2241, 9005, 11205, 48627, 149483, 243135, 747415, 4036041, 20180205

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180204
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180205 can be divided by 16 positive divisors. The sum of these divisors (counting 20180205) is 1, the average is 0.0625.

Base conversion 20180205

Base System Value
2 Binary 1001100111110110011101101
3 Ternary 1101222021001000
4 Quaternary 1030332303231
5 Quinary 20131231310
6 Senary 2000310513
8 Octal 114766355
10 Decimal 20180205
12 Duodecimal 6912439
16 Hexadecimal 133eced
20 Vigesimal 662aa5
36 Base36 c0j59

Cryptographic Hash Functions

md5 80fb58a8555e8bf529af34d2f81df569
sha1 640dab09b5c658cf0a6ea44b404331e3b38aaada
sha256 f4d7265e1c4d738dba6d5565442b1de5b8c5d90e34edb204507358a7f23e2ed4
sha512 4991492582079c422ca0123eafbb4373d738eb6cbdd2af2d96ae52904a928685abe269427f9362d07814d891b281b812921e4111e4a7258761c187b27faa72ca
ripemd-160 d6db2b7af61cfef04350cd194320c69fb4f250e0

20180205 as geometric shapes

Circle

Radius = n
Diameter 40360410
Circumference 126795967.55187
Area 1.2793843091851E+15

Sphere

Radius = n
Volume 3.4424316844184E+22
Surface area 5.1175372367403E+15
Circumference 126795967.55187

Square

Length = n
Perimeter 80720820
Area 407240673842025
Diagonal 28539119.602469

Cube

Length = n
Surface area 2443444043052150
Volume 8.2182002824702E+21
Space diagonal 34953140.367155

Equilateral Triangle

Length = n
Perimeter 60540615
Area 1.7634038450074E+14
Altitude 17476570.183578

Triangular Pyramid

Length = n
Surface area 1.7634038450074E+14
Volume 9.6852419148065E+20
Height 9513039.8674898