28931072 (number)

28931072 is an even 8-digits composite number following 28931071 and preceding 28931073. In scientific notation, it is written as 2.8931072 × 10^7. The sum of its digits is 32. It has a total of 12 prime factors and 44 positive divisors. There are 13694976 positive integers (up to 28931072) that are relatively prime to 28931072.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seventy-two

Notation

Scientific notation 2.8931072 × 10^7
Engineering notation 2.8931072 × 10^6

Prime Factorization of 28931072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 1487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 56506
Product of the distinct prime numbers

The prime factorization of 28931072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 1487. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931072)

Multiplication

n×y
n×2 57862144
n×3 86793216
n×4 115724288
n×5 144655360

Division

n÷y
n÷2 14465536
n÷3 9643690.6666667
n÷3 7232768
n÷5 5786214.4

Exponentiation

ny
n2 837006927069184
n3 2.4215507671537E+22
n4 7.005805959618E+29
n5 2.0268547663574E+37

Nth Root

y√n
2√n 5378.7611956658
3√n 306.98807721772
4√n 73.340038148789
5√n 31.065110676391

Divisors of 28931072

44 divisors

τ Total Divisors 44
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.022727272727273
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 44
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931072 can be divided by 44 positive divisors. The sum of these divisors (counting 28931072) is 1, the average is 0.022727272727273.

Base conversion 28931072

Base System Value
2 Binary 1101110010111010000000000
3 Ternary 2000102211222012
4 Quaternary 1232113100000
5 Quinary 24401243242
6 Senary 2512032052
8 Octal 156272000
10 Decimal 28931072
12 Duodecimal 9832628
16 Hexadecimal 1b97400
20 Vigesimal 90g7dc
36 Base36 h83cw

Cryptographic Hash Functions

md5 53c008df77b9d8733d4b7b5703c58df5
sha1 6cb962def435a64f5b77f9085b98d8629d7d6950
sha256 3b2b405069f54bd937a66132f76c16a7dcc903924061d163ece71fe0ab87e5bc
sha512 bf75c898c5e7b12a229d70110d268efcc94431109397620a079aae29d4a85ecd68423972d00ff2ccdef223ad6bcdd1e84c74215155d73df1b169ecced08c067d
ripemd-160 8d3a4145f3f62342f28a7db9c5781a9736f5c407

28931072 as geometric shapes

Circle

Radius = n
Diameter 57862144
Circumference 181779286.51135
Area 2.6295348130843E+15

Sphere

Radius = n
Volume 1.0143368133847E+23
Surface area 1.0518139252337E+16
Circumference 181779286.51135

Square

Length = n
Perimeter 115724288
Area 837006927069184
Diagonal 40914714.396393

Cube

Length = n
Surface area 5022041562415104
Volume 2.4215507671537E+22
Space diagonal 50110086.621433

Equilateral Triangle

Length = n
Perimeter 86793216
Area 3.6243463099273E+14
Altitude 25055043.310717

Triangular Pyramid

Length = n
Surface area 3.6243463099273E+14
Volume 2.8538249474031E+21
Height 13638238.132131