28931628 (number)

28931628 is an even 8-digits composite number following 28931627 and preceding 28931629. In scientific notation, it is written as 2.8931628 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 8702400 positive integers (up to 28931628) that are relatively prime to 28931628.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931628 × 10^7
Engineering notation 2.8931628 × 10^6

Prime Factorization of 28931628

Prime Factorization 2 × 2 × 33 × 149 × 1471

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465814
Product of the distinct prime numbers

The prime factorization of 28931628 is 2 × 2 × 33 × 149 × 1471. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931628)

Multiplication

n×y
n×2 57863256
n×3 86794884
n×4 115726512
n×5 144658140

Division

n÷y
n÷2 14465814
n÷3 9643876
n÷3 7232907
n÷5 5786325.6

Exponentiation

ny
n2 837039098730384
n3 2.4216903825923E+22
n4 7.0063445280337E+29
n5 2.0270495352491E+37

Nth Root

y√n
2√n 5378.8128801809
3√n 306.99004378015
4√n 73.340390510147
5√n 31.065230077903

Divisors of 28931628

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931627
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931628 can be divided by 24 positive divisors. The sum of these divisors (counting 28931628) is 1, the average is 0.041666666666667.

Base conversion 28931628

Base System Value
2 Binary 1101110010111011000101100
3 Ternary 2000102212201210
4 Quaternary 1232113120230
5 Quinary 24401303003
6 Senary 2512034420
8 Octal 156273054
10 Decimal 28931628
12 Duodecimal 9832a10
16 Hexadecimal 1b9762c
20 Vigesimal 90g918
36 Base36 h83sc

Cryptographic Hash Functions

md5 23cd9a6ad58ae91be02a7833d1fcc020
sha1 b53f1362b1c5bf546c846bb356a38130bd630df2
sha256 3f10c171c11517e4107cd3cc44e01124542753b97219336ba855e21533d1c52d
sha512 4486f5240c32b4f57aeabaa2dfc63a65d42ef502f405fbbb5297030cd661a1685460515a3f961aecbcd7c98f743e8e8732814d638e491e1bdbdc78e66030ccd5
ripemd-160 01b3af6509e884fb21419e4a38048a246f33a791

28931628 as geometric shapes

Circle

Radius = n
Diameter 57863256
Circumference 181782779.96239
Area 2.6296358833388E+15

Sphere

Radius = n
Volume 1.0143952953628E+23
Surface area 1.0518543533355E+16
Circumference 181782779.96239

Square

Length = n
Perimeter 115726512
Area 837039098730384
Diagonal 40915500.699133

Cube

Length = n
Surface area 5022234592382304
Volume 2.4216903825923E+22
Space diagonal 50111049.641682

Equilateral Triangle

Length = n
Perimeter 86794884
Area 3.6244856173067E+14
Altitude 25055524.820841

Triangular Pyramid

Length = n
Surface area 3.6244856173067E+14
Volume 2.8539894857754E+21
Height 13638500.233044