20085987 (number)

20085987 is an odd 8-digits composite number following 20085986 and preceding 20085988. In scientific notation, it is written as 2.0085987 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13221000 positive integers (up to 20085987) that are relatively prime to 20085987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0085987 × 10^7
Engineering notation 2.0085987 × 10^6

Prime Factorization of 20085987

Prime Factorization 3 × 79 × 84751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20085987
Product of the distinct prime numbers

The prime factorization of 20085987 is 3 × 79 × 84751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20085987)

Multiplication

n×y
n×2 40171974
n×3 60257961
n×4 80343948
n×5 100429935

Division

n÷y
n÷2 10042993.5
n÷3 6695329
n÷3 5021496.75
n÷5 4017197.4

Exponentiation

ny
n2 403446873764169
n3 8.1036286616177E+21
n4 1.6276937995008E+29
n5 3.2693836496754E+36

Nth Root

y√n
2√n 4481.7392829124
3√n 271.8302132065
4√n 66.945793616271
5√n 28.878766247311

Divisors of 20085987

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 -20085986
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 20085987 can be divided by 8 positive divisors. The sum of these divisors (counting 20085987) is 1, the average is 0.125.

Base conversion 20085987

Base System Value
2 Binary 1001100100111110011100011
3 Ternary 1101210110210110
4 Quaternary 1030213303203
5 Quinary 20120222422
6 Senary 1554302403
8 Octal 114476343
10 Decimal 20085987
12 Duodecimal 6887a03
16 Hexadecimal 1327ce3
20 Vigesimal 65aej7
36 Base36 byig3

Cryptographic Hash Functions

md5 cedfeabf93d79258912e0aa0dea423bd
sha1 493c002205dbe37895f574bd3371cdbd1b7b6653
sha256 04cdeeda3a791054fd8e58a83f47dbfaad5cef69c1f9db2534fe96cd6b517939
sha512 6779569cf2df02197d1ee54ae589eb7b814dc3b95b3e7a7f538f7253471cce8bfc09f1329cc80d7b30079fc8d3230ab4791fdf410f932f8bdf73cba0d803ea00
ripemd-160 1b70e0f0a9067f499c3cbf40595e20809a63eabf

20085987 as geometric shapes

Circle

Radius = n
Diameter 40171974
Circumference 126203978.3986
Area 1.2674657347313E+15

Sphere

Radius = n
Volume 3.3944400361011E+22
Surface area 5.0698629389251E+15
Circumference 126203978.3986

Square

Length = n
Perimeter 80343948
Area 403446873764169
Diagonal 28405875.22905

Cube

Length = n
Surface area 2420681242585014
Volume 8.1036286616177E+21
Space diagonal 34789950.004168

Equilateral Triangle

Length = n
Perimeter 60257961
Area 1.7469762087859E+14
Altitude 17394975.002084

Triangular Pyramid

Length = n
Surface area 1.7469762087859E+14
Volume 9.550217964746E+20
Height 9468625.0763499