20028639 (number)

20028639 is an odd 8-digits composite number following 20028638 and preceding 20028640. In scientific notation, it is written as 2.0028639 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13352424 positive integers (up to 20028639) that are relatively prime to 20028639.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand six hundred thirty-nine

Notation

Scientific notation 2.0028639 × 10^7
Engineering notation 2.0028639 × 10^6

Prime Factorization of 20028639

Prime Factorization 3 × 6676213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20028639
Product of the distinct prime numbers

The prime factorization of 20028639 is 3 × 6676213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20028639)

Multiplication

n×y
n×2 40057278
n×3 60085917
n×4 80114556
n×5 100143195

Division

n÷y
n÷2 10014319.5
n÷3 6676213
n÷3 5007159.75
n÷5 4005727.8

Exponentiation

ny
n2 401146380192321
n3 8.0344160350287E+21
n4 1.609184183414E+29
n5 3.2229769094109E+36

Nth Root

y√n
2√n 4475.3367471063
3√n 271.57126354261
4√n 66.897957719995
5√n 28.862256885562

Divisors of 20028639

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20028638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20028639 can be divided by 4 positive divisors. The sum of these divisors (counting 20028639) is 1, the average is 0.25.

Base conversion 20028639

Base System Value
2 Binary 1001100011001110011011111
3 Ternary 1101200120010110
4 Quaternary 1030121303133
5 Quinary 20111404024
6 Senary 1553141103
8 Octal 114316337
10 Decimal 20028639
12 Duodecimal 685a793
16 Hexadecimal 1319cdf
20 Vigesimal 653bbj
36 Base36 bxa73

Cryptographic Hash Functions

md5 4810582a56388ee59a39bec498a29642
sha1 cc8a6d2ff92e2037ce07e44a09894ae69f574f3f
sha256 b02d3332aaaa1d6990d575c7c1ab0b3ef02bdcbaff6bb3d59655a963679d8f3a
sha512 50db4dde62a602645c01fb0c9587377f313c1cc1dd71aef5f0f953c8ddeec548dcaec704f606c785bd038ee23eafd4d8ab5a24b1296bde7f27f272a08690550f
ripemd-160 5a72712be0cd210f1f94e7061025f8fadedd3792

20028639 as geometric shapes

Circle

Radius = n
Diameter 40057278
Circumference 125843650.2876
Area 1.2602385210263E+15

Sphere

Radius = n
Volume 3.3654483188707E+22
Surface area 5.0409540841053E+15
Circumference 125843650.2876

Square

Length = n
Perimeter 80114556
Area 401146380192321
Diagonal 28324772.909675

Cube

Length = n
Surface area 2406878281153926
Volume 8.0344160350287E+21
Space diagonal 34690620.354456

Equilateral Triangle

Length = n
Perimeter 60085917
Area 1.7370147794136E+14
Altitude 17345310.177228

Triangular Pyramid

Length = n
Surface area 1.7370147794136E+14
Volume 9.4686501020713E+20
Height 9441590.9698916