20085 (number)

20085 is an odd 5-digits composite number following 20084 and preceding 20086. In scientific notation, it is written as 2.0085 × 10^4. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 9792 positive integers (up to 20085) that are relatively prime to 20085.

Interesting facts

Basic properties

Name

Name twenty thousand eighty-five

Notation

Scientific notation 2.0085 × 10^4
Engineering notation 2.0085 × 10^3

Prime Factorization of 20085

Prime Factorization 5 × 39 × 103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20085
Product of the distinct prime numbers

The prime factorization of 20085 is 5 × 39 × 103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 83, 88, 949, 181, 9245, 435, 72663, 90872, 899655, 142442, 816162, 7577299, 29704850, 49278672, 291687989, 909137473, 6848918430, 8508099862

Basic calculations (n = 20085)

Multiplication

n×y
n×2 40170
n×3 60255
n×4 80340
n×5 100425

Division

n÷y
n÷2 10042.5
n÷3 6695
n÷3 5021.25
n÷5 4017

Exponentiation

ny
n2 403407225
n3 8102434114125
n4 162737389182200625
n5 3.2685804617245E+21

Nth Root

y√n
2√n 141.72155799313
3√n 27.182576066927
4√n 11.904686387853
5√n 7.2539468174792

Divisors of 20085

1, 5, 39, 103, 195, 515, 4017, 20085

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 -20084
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 20085 can be divided by 8 positive divisors. The sum of these divisors (counting 20085) is 1, the average is 0.125.

Base conversion 20085

Base System Value
2 Binary 100111001110101
3 Ternary 1000112220
4 Quaternary 10321311
5 Quinary 1120320
6 Senary 232553
8 Octal 47165
10 Decimal 20085
12 Duodecimal b759
16 Hexadecimal 4e75
20 Vigesimal 2a45
36 Base36 fhx

Cryptographic Hash Functions

md5 9a3e594b26056b67a02cac0e510393d1
sha1 c202d2ef5ae4337411060f8bc795a1b518023621
sha256 b2f3d34461376ea3f53932b57cefffeb384ae8fcfb0ffb1e059b33eefceecec8
sha512 4f6fe9c440b3ee0b755a42af0c9776bc18d227e85ac4aa0867999626125fd0a15b189974b228f1a4e1bf97e7d8b2d791924f969ae80eece73813a2b53fae776d
ripemd-160 ace7951a697b67a975d601cfbcda0eb2d4c1aab2

20085 as geometric shapes

Circle

Radius = n
Diameter 40170
Circumference 126197.7768947
Area 1267341174.465

Sphere

Radius = n
Volume 33939396652174
Surface area 5069364697.8602
Circumference 126197.7768947

Square

Length = n
Perimeter 80340
Area 403407225
Diagonal 28404.479400264

Cube

Length = n
Surface area 2420443350
Volume 8102434114125
Space diagonal 34788.240470021

Equilateral Triangle

Length = n
Perimeter 60255
Area 174680452.46009
Altitude 17394.12023501

Triangular Pyramid

Length = n
Surface area 174680452.46009
Volume 954881017702.5
Height 9468.1598000879