20085985 (number)

20085985 is an odd 8-digits composite number following 20085984 and preceding 20085986. In scientific notation, it is written as 2.0085985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 15550320 positive integers (up to 20085985) that are relatively prime to 20085985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0085985 × 10^7
Engineering notation 2.0085985 × 10^6

Prime Factorization of 20085985

Prime Factorization 5 × 31 × 129587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20085985
Product of the distinct prime numbers

The prime factorization of 20085985 is 5 × 31 × 129587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20085985)

Multiplication

n×y
n×2 40171970
n×3 60257955
n×4 80343940
n×5 100429925

Division

n÷y
n÷2 10042992.5
n÷3 6695328.3333333
n÷3 5021496.25
n÷5 4017197

Exponentiation

ny
n2 403446793420225
n3 8.1036262409367E+21
n4 1.6276931512106E+29
n5 3.2693820219819E+36

Nth Root

y√n
2√n 4481.7390597847
3√n 271.83020418428
4√n 66.945791949791
5√n 28.878765672208

Divisors of 20085985

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 -20085984
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 20085985 can be divided by 8 positive divisors. The sum of these divisors (counting 20085985) is 1, the average is 0.125.

Base conversion 20085985

Base System Value
2 Binary 1001100100111110011100001
3 Ternary 1101210110210101
4 Quaternary 1030213303201
5 Quinary 20120222420
6 Senary 1554302401
8 Octal 114476341
10 Decimal 20085985
12 Duodecimal 6887a01
16 Hexadecimal 1327ce1
20 Vigesimal 65aej5
36 Base36 byig1

Cryptographic Hash Functions

md5 009dce4719dce6d8ff5c67099c408ca6
sha1 645839c1a1f94fda13583b1e888c63c46e57c358
sha256 8c8492ae8dd3d49fc2f51051aab3fab4c11211f17dfd4a654ce34ab76ee41169
sha512 0888cc11b126c386261ac8bbc38e2a502c560ba22481dcc3f6cce9172b8cfc492918e9589a430f3647d78a156c187b87c94fd288dcf5d2e9097ae5cf0d890369
ripemd-160 34b37dfba94259e4cfa74ac0d49958cd42429770

20085985 as geometric shapes

Circle

Radius = n
Diameter 40171970
Circumference 126203965.83223
Area 1.2674654823233E+15

Sphere

Radius = n
Volume 3.3944390221286E+22
Surface area 5.0698619292934E+15
Circumference 126203965.83223

Square

Length = n
Perimeter 80343940
Area 403446793420225
Diagonal 28405872.400623

Cube

Length = n
Surface area 2420680760521350
Volume 8.1036262409367E+21
Space diagonal 34789946.540066

Equilateral Triangle

Length = n
Perimeter 60257955
Area 1.7469758608864E+14
Altitude 17394973.270033

Triangular Pyramid

Length = n
Surface area 1.7469758608864E+14
Volume 9.550215111946E+20
Height 9468624.1335409