20008639 (number)

20008639 is an odd 8-digits composite number following 20008638 and preceding 20008640. In scientific notation, it is written as 2.0008639 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17129880 positive integers (up to 20008639) that are relatively prime to 20008639.

Interesting facts

Basic properties

Name

Name twenty million eight thousand six hundred thirty-nine

Notation

Scientific notation 2.0008639 × 10^7
Engineering notation 2.0008639 × 10^6

Prime Factorization of 20008639

Prime Factorization 7 × 1531 × 1867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20008639
Product of the distinct prime numbers

The prime factorization of 20008639 is 7 × 1531 × 1867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20008639)

Multiplication

n×y
n×2 40017278
n×3 60025917
n×4 80034556
n×5 100043195

Division

n÷y
n÷2 10004319.5
n÷3 6669546.3333333
n÷3 5002159.75
n÷5 4001727.8

Exponentiation

ny
n2 400345634632321
n3 8.010371278584E+21
n4 1.6027662716916E+29
n5 3.2069171731652E+36

Nth Root

y√n
2√n 4473.1017202831
3√n 271.48083912318
4√n 66.881250887548
5√n 28.856490384465

Divisors of 20008639

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 -20008638
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 20008639 can be divided by 8 positive divisors. The sum of these divisors (counting 20008639) is 1, the average is 0.125.

Base conversion 20008639

Base System Value
2 Binary 1001100010100111010111111
3 Ternary 1101122112200201
4 Quaternary 1030110322333
5 Quinary 20110234024
6 Senary 1552504331
8 Octal 114247277
10 Decimal 20008639
12 Duodecimal 684b0a7
16 Hexadecimal 1314ebf
20 Vigesimal 6511bj
36 Base36 bwurj

Cryptographic Hash Functions

md5 8f81516eac88c29a369a2863e64e0320
sha1 58708782ed3ba846cd26c23819cfb05bdac3c8a7
sha256 7a11fc2ec30fd6e21619c3323cf704b3388ed5d167aca61c1647006902e22b43
sha512 226cc224b8e958ec796019b78602c0459a8b48f9caa8bbe11e2719c4e54523e881ad9820fffda9f7a1e357ee4de3e16075400441bd6767dc49b337de2415e8da
ripemd-160 b4221a7ce3137f1fd543124e033ebb284b02d0e3

20008639 as geometric shapes

Circle

Radius = n
Diameter 40017278
Circumference 125717986.58146
Area 1.2577229046576E+15

Sphere

Radius = n
Volume 3.3553764748435E+22
Surface area 5.0308916186306E+15
Circumference 125717986.58146

Square

Length = n
Perimeter 80034556
Area 400345634632321
Diagonal 28296488.638427

Cube

Length = n
Surface area 2402073807793926
Volume 8.010371278584E+21
Space diagonal 34655979.338304

Equilateral Triangle

Length = n
Perimeter 60025917
Area 1.733547449429E+14
Altitude 17327989.669152

Triangular Pyramid

Length = n
Surface area 1.733547449429E+14
Volume 9.4403130848478E+20
Height 9432162.8794757