28931724 (number)

28931724 is an even 8-digits composite number following 28931723 and preceding 28931725. In scientific notation, it is written as 2.8931724 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 9643896 positive integers (up to 28931724) that are relatively prime to 28931724.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931724 × 10^7
Engineering notation 2.8931724 × 10^6

Prime Factorization of 28931724

Prime Factorization 2 × 2 × 9 × 803659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465862
Product of the distinct prime numbers

The prime factorization of 28931724 is 2 × 2 × 9 × 803659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 68, 1, 504, 941, 9413, 7684, 34908, 75023, 397122, 778366, 653129, 4231214, 80538147, 45374297, 702477778, 270011574, 9386434735, 3563205422

Basic calculations (n = 28931724)

Multiplication

n×y
n×2 57863448
n×3 86795172
n×4 115726896
n×5 144658620

Division

n÷y
n÷2 14465862
n÷3 9643908
n÷3 7232931
n÷5 5786344.8

Exponentiation

ny
n2 837044653612176
n3 2.4217144893983E+22
n4 7.0064375214073E+29
n5 2.027083165926E+37

Nth Root

y√n
2√n 5378.8218040757
3√n 306.99038332794
4√n 73.340451349004
5√n 31.065250693806

Divisors of 28931724

1, 2, 4, 9, 18, 36, 803659, 1607318, 3214636, 7232931, 14465862, 28931724

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931724 can be divided by 12 positive divisors. The sum of these divisors (counting 28931724) is 1, the average is 0.083333333333333.

Base conversion 28931724

Base System Value
2 Binary 1101110010111011010001100
3 Ternary 2000102212212100
4 Quaternary 1232113122030
5 Quinary 24401303344
6 Senary 2512035100
8 Octal 156273214
10 Decimal 28931724
12 Duodecimal 9832a90
16 Hexadecimal 1b9768c
20 Vigesimal 90g964
36 Base36 h83v0

Cryptographic Hash Functions

md5 6593babba81e0fa55308a93f9d280232
sha1 fb4cacdce9df1b6c750f8fe3653e0e239cc83928
sha256 170423b26ad3b5d6bab5feb909b8b70f38908ec0fc2e85138a302f2c8fc6ba16
sha512 140f9fa478888a3efa16079ea50c96f9dc45a53ee72ddfe222634bbe45bcbf8a2c88fad3af8cfa4bb26850993c1c7b939c93e0afa8c2b853c1cbf446d3a0b186
ripemd-160 8f862ce58fc56862862fe3e93b5a029ac1cc63fa

28931724 as geometric shapes

Circle

Radius = n
Diameter 57863448
Circumference 181783383.14818
Area 2.6296533345146E+15

Sphere

Radius = n
Volume 1.0144053931981E+23
Surface area 1.0518613338058E+16
Circumference 181783383.14818

Square

Length = n
Perimeter 115726896
Area 837044653612176
Diagonal 40915636.463635

Cube

Length = n
Surface area 5022267921673056
Volume 2.4217144893983E+22
Space diagonal 50111215.91856

Equilateral Triangle

Length = n
Perimeter 86795172
Area 3.6245096706505E+14
Altitude 25055607.95928

Triangular Pyramid

Length = n
Surface area 3.6245096706505E+14
Volume 2.8540178959188E+21
Height 13638545.487878