28939968 (number)

28939968 is an even 8-digits composite number following 28939967 and preceding 28939969. In scientific notation, it is written as 2.8939968 × 10^7. The sum of its digits is 54. It has a total of 10 prime factors and 84 positive divisors. There are 9432576 positive integers (up to 28939968) that are relatively prime to 28939968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939968 × 10^7
Engineering notation 2.8939968 × 10^6

Prime Factorization of 28939968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 47 × 1069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 301458
Product of the distinct prime numbers

The prime factorization of 28939968 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 47 × 1069. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28939968)

Multiplication

n×y
n×2 57879936
n×3 86819904
n×4 115759872
n×5 144699840

Division

n÷y
n÷2 14469984
n÷3 9646656
n÷3 7234992
n÷5 5787993.6

Exponentiation

ny
n2 837521747841024
n3 2.4237852581823E+22
n4 7.0144267810668E+29
n5 2.0299728658242E+37

Nth Root

y√n
2√n 5379.5880883205
3√n 307.0195391936
4√n 73.345675321184
5√n 31.067020880342

Divisors of 28939968

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28939967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28939968 can be divided by 84 positive divisors. The sum of these divisors (counting 28939968) is 1, the average is 0.011904761904762.

Base conversion 28939968

Base System Value
2 Binary 1101110011001011011000000
3 Ternary 2000110022011200
4 Quaternary 1232121123000
5 Quinary 24402034333
6 Senary 2512141200
8 Octal 156313300
10 Decimal 28939968
12 Duodecimal 9837800
16 Hexadecimal 1b996c0
20 Vigesimal 90h9i8
36 Base36 h8a80

Cryptographic Hash Functions

md5 c1dce7af8b76779b8b7d3c1aae90ab7a
sha1 f8c99bdf9c0bf07aef5e04ac7641b9a1af98d71c
sha256 673b62a1e7a1a5a67bb6cad0934844f9d91f64972617bc4d39152d0c3a53527c
sha512 56e64d7ea78a1f36c8b5936c8caac04fe81b65eadfd3a1073f9d77991268d6a6b59b1276c9791d3c844a5a6c1f4004d7a931d51837c76114f57550d5ec6c7d0d
ripemd-160 9fb673423570abbb823cc9108194fd33a8879792

28939968 as geometric shapes

Circle

Radius = n
Diameter 57879936
Circumference 181835181.72785
Area 2.631152170239E+15

Sphere

Radius = n
Volume 1.015272794798E+23
Surface area 1.0524608680956E+16
Circumference 181835181.72785

Square

Length = n
Perimeter 115759872
Area 837521747841024
Diagonal 40927295.240243

Cube

Length = n
Surface area 5025130487046144
Volume 2.4237852581823E+22
Space diagonal 50125494.945417

Equilateral Triangle

Length = n
Perimeter 86819904
Area 3.6265755492614E+14
Altitude 25062747.472709

Triangular Pyramid

Length = n
Surface area 3.6265755492614E+14
Volume 2.8564583203345E+21
Height 13642431.746748