28939938 (number)

28939938 is an even 8-digits composite number following 28939937 and preceding 28939939. In scientific notation, it is written as 2.8939938 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 9595760 positive integers (up to 28939938) that are relatively prime to 28939938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939938 × 10^7
Engineering notation 2.8939938 × 10^6

Prime Factorization of 28939938

Prime Factorization 2 × 3 × 191 × 25253

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28939938
Product of the distinct prime numbers

The prime factorization of 28939938 is 2 × 3 × 191 × 25253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28939938)

Multiplication

n×y
n×2 57879876
n×3 86819814
n×4 115759752
n×5 144699690

Division

n÷y
n÷2 14469969
n÷3 9646646
n÷3 7234984.5
n÷5 5787987.6

Exponentiation

ny
n2 837520011443844
n3 2.4237777204944E+22
n4 7.014397695689E+29
n5 2.0299623442058E+37

Nth Root

y√n
2√n 5379.5853000022
3√n 307.01943310515
4√n 73.345656313119
5√n 31.067014439347

Divisors of 28939938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28939937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28939938 can be divided by 16 positive divisors. The sum of these divisors (counting 28939938) is 1, the average is 0.0625.

Base conversion 28939938

Base System Value
2 Binary 1101110011001011010100010
3 Ternary 2000110022010120
4 Quaternary 1232121122202
5 Quinary 24402034223
6 Senary 2512141110
8 Octal 156313242
10 Decimal 28939938
12 Duodecimal 9837796
16 Hexadecimal 1b996a2
20 Vigesimal 90h9gi
36 Base36 h8a76

Cryptographic Hash Functions

md5 c95720ab305bbc19d7db852e4555350d
sha1 0ce2892b2433d2c04bd53697723c44a554968dc9
sha256 291c9a56fef69cc157d031524593d0204fecd1f02af2d6dff5d387ea6150a64c
sha512 45cc74f4f1d959418e7c7a20b8894b81eb8e65704aa8ab00bd6bf177708602ceb6e4ea64ddd8b08d7541239c45f4573223cbac070627f00939b35a2072a0da2f
ripemd-160 b1ab5a8df737177c71176f2b3db14fd2a4b15598

28939938 as geometric shapes

Circle

Radius = n
Diameter 57879876
Circumference 181834993.23229
Area 2.6311467151864E+15

Sphere

Radius = n
Volume 1.0152696374186E+23
Surface area 1.0524586860746E+16
Circumference 181834993.23229

Square

Length = n
Perimeter 115759752
Area 837520011443844
Diagonal 40927252.813837

Cube

Length = n
Surface area 5025120068663064
Volume 2.4237777204944E+22
Space diagonal 50125442.983893

Equilateral Triangle

Length = n
Perimeter 86819814
Area 3.626568030441E+14
Altitude 25062721.491947

Triangular Pyramid

Length = n
Surface area 3.626568030441E+14
Volume 2.8564494370841E+21
Height 13642417.604612