20185 (number)

20185 is an odd 5-digits composite number following 20184 and preceding 20186. In scientific notation, it is written as 2.0185 × 10^4. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 14640 positive integers (up to 20185) that are relatively prime to 20185.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred eighty-five

Notation

Scientific notation 2.0185 × 10^4
Engineering notation 2.0185 × 10^3

Prime Factorization of 20185

Prime Factorization 5 × 11 × 367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20185
Product of the distinct prime numbers

The prime factorization of 20185 is 5 × 11 × 367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 52, 13, 240, 206, 9551, 4974, 81539, 38472, 552553, 661792, 5418533, 2317316, 93838930, 88203435, 282141387, 599092599, 2196152265, 865593529

Basic calculations (n = 20185)

Multiplication

n×y
n×2 40370
n×3 60555
n×4 80740
n×5 100925

Division

n÷y
n÷2 10092.5
n÷3 6728.3333333333
n÷3 5046.25
n÷5 4037

Exponentiation

ny
n2 407434225
n3 8224059831625
n4 166002647701350625
n5 3.3507634438518E+21

Nth Root

y√n
2√n 142.07392441965
3√n 27.227613968962
4√n 11.919476683968
5√n 7.2611557229586

Divisors of 20185

1, 5, 11, 55, 367, 1835, 4037, 20185

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 -20184
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 20185 can be divided by 8 positive divisors. The sum of these divisors (counting 20185) is 1, the average is 0.125.

Base conversion 20185

Base System Value
2 Binary 100111011011001
3 Ternary 1000200121
4 Quaternary 10323121
5 Quinary 1121220
6 Senary 233241
8 Octal 47331
10 Decimal 20185
12 Duodecimal b821
16 Hexadecimal 4ed9
20 Vigesimal 2a95
36 Base36 fkp

Cryptographic Hash Functions

md5 75f83581dbe3440aea46539676d70efe
sha1 15383ca2088dd90e55e99567da5781cc64c3b0c6
sha256 dc137d5094898a91f0cd3ccfaab08562c533bab3a38a51fbac91f7177404b2d0
sha512 582048408dbbe817d004adeb730a960c450a5f6697bd0a22461c2b9fc4ec9e1d8d7f82087f922031729b936a96d65fdbeeeb5c5dc6325f7667937672bdb23f28
ripemd-160 3e232a39e616aca40ddd0ae2b4a9eb022b0295dc

20185 as geometric shapes

Circle

Radius = n
Diameter 40370
Circumference 126826.09542542
Area 1279992368.0811

Sphere

Radius = n
Volume 34448861266288
Surface area 5119969472.3242
Circumference 126826.09542542

Square

Length = n
Perimeter 80740
Area 407434225
Diagonal 28545.900756501

Cube

Length = n
Surface area 2444605350
Volume 8224059831625
Space diagonal 34961.445550778

Equilateral Triangle

Length = n
Perimeter 60555
Area 176424194.61061
Altitude 17480.722775389

Triangular Pyramid

Length = n
Surface area 176424194.61061
Volume 969214745970.99
Height 9515.300252167