28581738 (number)

28581738 is an even 8-digits composite number following 28581737 and preceding 28581739. In scientific notation, it is written as 2.8581738 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 8989056 positive integers (up to 28581738) that are relatively prime to 28581738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8581738 × 10^7
Engineering notation 2.8581738 × 10^6

Prime Factorization of 28581738

Prime Factorization 2 × 3 × 19 × 409 × 613

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28581738
Product of the distinct prime numbers

The prime factorization of 28581738 is 2 × 3 × 19 × 409 × 613. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28581738)

Multiplication

n×y
n×2 57163476
n×3 85745214
n×4 114326952
n×5 142908690

Division

n÷y
n÷2 14290869
n÷3 9527246
n÷3 7145434.5
n÷5 5716347.6

Exponentiation

ny
n2 816915747100644
n3 2.3348871851705E+22
n4 6.67351337861E+29
n5 1.9074061092693E+37

Nth Root

y√n
2√n 5346.189110011
3√n 305.74747417622
4√n 73.117638843243
5√n 30.989725314381

Divisors of 28581738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28581737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28581738 can be divided by 32 positive divisors. The sum of these divisors (counting 28581738) is 1, the average is 0.03125.

Base conversion 28581738

Base System Value
2 Binary 1101101000001111101101010
3 Ternary 1222210002202220
4 Quaternary 1231001331222
5 Quinary 24304103423
6 Senary 2500334510
8 Octal 155017552
10 Decimal 28581738
12 Duodecimal 96a4436
16 Hexadecimal 1b41f6a
20 Vigesimal 8ice6i
36 Base36 h0lt6

Cryptographic Hash Functions

md5 45c2fcb0ea80a71a071ce1bf907f11c3
sha1 f86575552aa5366da42640c77fa5051f147711ff
sha256 ecdd88f98830dbdd8860bcf30ec8a2208003d351206193952a83712d8639b590
sha512 2b3a453962e65beec7401cece84b08c927f046cf4870e1860c9fcc1542309e0ad75ace7b49fc10b428bfe68de93c0e59cb0024c734964615c7fb066409914290
ripemd-160 54a0f0140788906cecec49c3f5d69c2791aca6d6

28581738 as geometric shapes

Circle

Radius = n
Diameter 57163476
Circumference 179584356.25526
Area 2.5664165096932E+15

Sphere

Radius = n
Volume 9.7803525705234E+22
Surface area 1.0265666038773E+16
Circumference 179584356.25526

Square

Length = n
Perimeter 114326952
Area 816915747100644
Diagonal 40420681.515794

Cube

Length = n
Surface area 4901494482603864
Volume 2.3348871851705E+22
Space diagonal 49505022.384622

Equilateral Triangle

Length = n
Perimeter 85745214
Area 3.5373489487035E+14
Altitude 24752511.192311

Triangular Pyramid

Length = n
Surface area 3.5373489487035E+14
Volume 2.751690936566E+21
Height 13473560.505265