28931709 (number)

28931709 is an odd 8-digits composite number following 28931708 and preceding 28931710. In scientific notation, it is written as 2.8931709 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 19287804 positive integers (up to 28931709) that are relatively prime to 28931709.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931709 × 10^7
Engineering notation 2.8931709 × 10^6

Prime Factorization of 28931709

Prime Factorization 3 × 9643903

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931709
Product of the distinct prime numbers

The prime factorization of 28931709 is 3 × 9643903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931709)

Multiplication

n×y
n×2 57863418
n×3 86795127
n×4 115726836
n×5 144658545

Division

n÷y
n÷2 14465854.5
n÷3 9643903
n÷3 7232927.25
n÷5 5786341.8

Exponentiation

ny
n2 837043785660681
n3 2.4217107226993E+22
n4 7.0064229911316E+29
n5 2.0270779111033E+37

Nth Root

y√n
2√n 5378.8204097181
3√n 306.99033027365
4√n 73.340441842943
5√n 31.065247472575

Divisors of 28931709

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 -28931708
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 28931709 can be divided by 4 positive divisors. The sum of these divisors (counting 28931709) is 1, the average is 0.25.

Base conversion 28931709

Base System Value
2 Binary 1101110010111011001111101
3 Ternary 2000102212211210
4 Quaternary 1232113121331
5 Quinary 24401303314
6 Senary 2512035033
8 Octal 156273175
10 Decimal 28931709
12 Duodecimal 9832a79
16 Hexadecimal 1b9767d
20 Vigesimal 90g959
36 Base36 h83ul

Cryptographic Hash Functions

md5 50a7246520cccf990d3df0b6ba89a1ba
sha1 c8bb46c29fe9ce11e22501fc559de38045cbc7bc
sha256 2f646fb0f6ffc78ca6c19c06f3bedf91dd9397247da442432ec7089f31031f25
sha512 9abde7bc3e1acb22e13ced7ce15a76316c31b033783d78e87efd34f04263111ffdaef4442a0198e81230bc42f0134f70ad14cf770200bd7c83d480de32900af9
ripemd-160 373c16e6a9f0426c9ef3835b25f2f4e09d31b83e

28931709 as geometric shapes

Circle

Radius = n
Diameter 57863418
Circumference 181783288.9004
Area 2.6296506077646E+15

Sphere

Radius = n
Volume 1.0144038154069E+23
Surface area 1.0518602431058E+16
Circumference 181783288.9004

Square

Length = n
Perimeter 115726836
Area 837043785660681
Diagonal 40915615.250432

Cube

Length = n
Surface area 5022262713964086
Volume 2.4217107226993E+22
Space diagonal 50111189.937798

Equilateral Triangle

Length = n
Perimeter 86795127
Area 3.6245059123102E+14
Altitude 25055594.968899

Triangular Pyramid

Length = n
Surface area 3.6245059123102E+14
Volume 2.8540134568214E+21
Height 13638538.416811