28129969 (number)

28129969 is an odd 8-digits composite number following 28129968 and preceding 28129970. In scientific notation, it is written as 2.8129969 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 24111360 positive integers (up to 28129969) that are relatively prime to 28129969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8129969 × 10^7
Engineering notation 2.8129969 × 10^6

Prime Factorization of 28129969

Prime Factorization 49 × 574081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28129969
Product of the distinct prime numbers

The prime factorization of 28129969 is 49 × 574081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28129969)

Multiplication

n×y
n×2 56259938
n×3 84389907
n×4 112519876
n×5 140649845

Division

n÷y
n÷2 14064984.5
n÷3 9376656.3333333
n÷3 7032492.25
n÷5 5625993.8

Exponentiation

ny
n2 791295155940961
n3 2.2259108206469E+22
n4 6.2614802381563E+29
n5 1.7613524499345E+37

Nth Root

y√n
2√n 5303.7693200214
3√n 304.12800833099
4√n 72.826982087832
5√n 30.891133954327

Divisors of 28129969

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 -28129968
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 28129969 can be divided by 4 positive divisors. The sum of these divisors (counting 28129969) is 1, the average is 0.25.

Base conversion 28129969

Base System Value
2 Binary 1101011010011101010110001
3 Ternary 1221221011001201
4 Quaternary 1223103222301
5 Quinary 24200124334
6 Senary 2442531201
8 Octal 153235261
10 Decimal 28129969
12 Duodecimal 9506b01
16 Hexadecimal 1ad3ab1
20 Vigesimal 8fg4i9
36 Base36 gqx81

Cryptographic Hash Functions

md5 b9ef0c3bf0437685fed7b60645a5b507
sha1 804f6f8f8c7b4384d05a8eea663e95d92c638aab
sha256 2f9090c912cd01f6a7b001c0b4ecd33c3b18a0d98cab203ab2eac8b95288527d
sha512 261a5ce5fe4700648f3292c17fce1d6cb1e8cc78cce667806bcbe11620aad7672ca838b0baa6b58de59b4ce43224aa8d77ceffd69252f9c91bfdee21738b0707
ripemd-160 5b2686e93210f4eae181396da7f8e88412b86db5

28129969 as geometric shapes

Circle

Radius = n
Diameter 56259938
Circumference 176745807.91222
Area 2.4859270487253E+15

Sphere

Radius = n
Volume 9.3238734422539E+22
Surface area 9.9437081949013E+15
Circumference 176745807.91222

Square

Length = n
Perimeter 112519876
Area 791295155940961
Diagonal 39781783.668935

Cube

Length = n
Surface area 4747770935645766
Volume 2.2259108206469E+22
Space diagonal 48722535.523337

Equilateral Triangle

Length = n
Perimeter 84389907
Area 3.4264085346822E+14
Altitude 24361267.761669

Triangular Pyramid

Length = n
Surface area 3.4264085346822E+14
Volume 2.6232610593266E+21
Height 13260594.556312