28587438 (number)

28587438 is an even 8-digits composite number following 28587437 and preceding 28587439. In scientific notation, it is written as 2.8587438 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 96 positive divisors. There are 7672320 positive integers (up to 28587438) that are relatively prime to 28587438.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eighty-seven thousand four hundred thirty-eight

Notation

Scientific notation 2.8587438 × 10^7
Engineering notation 2.8587438 × 10^6

Prime Factorization of 28587438

Prime Factorization 2 × 19 × 33 × 3 × 3 × 17 × 149

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 9529146
Product of the distinct prime numbers

The prime factorization of 28587438 is 2 × 19 × 33 × 3 × 3 × 17 × 149. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28587438)

Multiplication

n×y
n×2 57174876
n×3 85762314
n×4 114349752
n×5 142937190

Division

n÷y
n÷2 14293719
n÷3 9529146
n÷3 7146859.5
n÷5 5717487.6

Exponentiation

ny
n2 817241611403844
n3 2.3362843897027E+22
n4 6.6788385140995E+29
n5 1.9093088193383E+37

Nth Root

y√n
2√n 5346.7221734442
3√n 305.76779769846
4√n 73.121283997508
5√n 30.99096125983

Divisors of 28587438

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28587437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28587438 can be divided by 96 positive divisors. The sum of these divisors (counting 28587438) is 1, the average is 0.010416666666667.

Base conversion 28587438

Base System Value
2 Binary 1101101000011010110101110
3 Ternary 1222210101121000
4 Quaternary 1231003112232
5 Quinary 24304244223
6 Senary 2500421130
8 Octal 155032656
10 Decimal 28587438
12 Duodecimal 96a77a6
16 Hexadecimal 1b435ae
20 Vigesimal 8id8bi
36 Base36 h0q7i

Cryptographic Hash Functions

md5 e9d698431046d7385e6c00c2ea6ad2a5
sha1 d09bf88d0c8f2ae54c1df5f2ae06b7f211bb9ab9
sha256 904ed639fa441c3ecae0fb5aaccec36210eba1a6da10c30d72594dfc441f8b93
sha512 9c27478b0323c78b672ab677a7c7de31acc36d5047458526b9d642d3ad60fcacb191a91d77ad41dee266c16c8c8f052d43ab5f36957774fce6bbca3ed85aa181
ripemd-160 0d70f157dd4741dc5653f720c3af99eeeed7d700

28587438 as geometric shapes

Circle

Radius = n
Diameter 57174876
Circumference 179620170.41151
Area 2.5674402425942E+15

Sphere

Radius = n
Volume 9.7862051671822E+22
Surface area 1.0269760970377E+16
Circumference 179620170.41151

Square

Length = n
Perimeter 114349752
Area 817241611403844
Diagonal 40428742.5331

Cube

Length = n
Surface area 4903449668423064
Volume 2.3362843897027E+22
Space diagonal 49514895.074225

Equilateral Triangle

Length = n
Perimeter 85762314
Area 3.5387599825273E+14
Altitude 24757447.537113

Triangular Pyramid

Length = n
Surface area 3.5387599825273E+14
Volume 2.7533375578985E+21
Height 13476247.511033