28931828 (number)

28931828 is an even 8-digits composite number following 28931827 and preceding 28931829. In scientific notation, it is written as 2.8931828 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 14381952 positive integers (up to 28931828) that are relatively prime to 28931828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931828 × 10^7
Engineering notation 2.8931828 × 10^6

Prime Factorization of 28931828

Prime Factorization 2 × 2 × 173 × 41809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465914
Product of the distinct prime numbers

The prime factorization of 28931828 is 2 × 2 × 173 × 41809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931828)

Multiplication

n×y
n×2 57863656
n×3 86795484
n×4 115727312
n×5 144659140

Division

n÷y
n÷2 14465914
n÷3 9643942.6666667
n÷3 7232957
n÷5 5786365.6

Exponentiation

ny
n2 837050671421584
n3 2.4217406052854E+22
n4 7.0065382652732E+29
n5 2.027119599663E+37

Nth Root

y√n
2√n 5378.8314716117
3√n 306.99075117054
4√n 73.340517257595
5√n 31.065273027639

Divisors of 28931828

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 -28931827
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 28931828 can be divided by 12 positive divisors. The sum of these divisors (counting 28931828) is 1, the average is 0.083333333333333.

Base conversion 28931828

Base System Value
2 Binary 1101110010111011011110100
3 Ternary 2000102220000012
4 Quaternary 1232113123310
5 Quinary 24401304303
6 Senary 2512035352
8 Octal 156273364
10 Decimal 28931828
12 Duodecimal 9832b58
16 Hexadecimal 1b976f4
20 Vigesimal 90g9b8
36 Base36 h83xw

Cryptographic Hash Functions

md5 410e5d18ea3e150ecbc1a261555b2155
sha1 c53adc3ed42a3ee02915673e26526f15edb6fb93
sha256 d6a951554cc20cbad1af5b3c68b42ba5539c7115dc3f9e1e2e94001e7936a8b3
sha512 f57c995d41df6840c5f45b7fcd3bbbe2dbd94071cfd347139c960665ed34b28481bdbc7332d3153e5e967c836d88ca36448113f9372c12774e148bbffafef7e2
ripemd-160 b343e85fcee01ff7ce016b0ffe60b270fd123f16

28931828 as geometric shapes

Circle

Radius = n
Diameter 57863656
Circumference 181784036.59945
Area 2.6296722400205E+15

Sphere

Radius = n
Volume 1.0144163325953E+23
Surface area 1.0518688960082E+16
Circumference 181784036.59945

Square

Length = n
Perimeter 115727312
Area 837050671421584
Diagonal 40915783.541846

Cube

Length = n
Surface area 5022304028529504
Volume 2.4217406052854E+22
Space diagonal 50111396.051844

Equilateral Triangle

Length = n
Perimeter 86795484
Area 3.6245357285296E+14
Altitude 25055698.025922

Triangular Pyramid

Length = n
Surface area 3.6245357285296E+14
Volume 2.8540486737868E+21
Height 13638594.513949