28685738 (number)

28685738 is an even 8-digits composite number following 28685737 and preceding 28685739. In scientific notation, it is written as 2.8685738 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 13493040 positive integers (up to 28685738) that are relatively prime to 28685738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8685738 × 10^7
Engineering notation 2.8685738 × 10^6

Prime Factorization of 28685738

Prime Factorization 2 × 23 × 61 × 10223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28685738
Product of the distinct prime numbers

The prime factorization of 28685738 is 2 × 23 × 61 × 10223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 50, 11, 792, 183, 222, 1574, 53111, 62167, 997960, 29040, 4654242, 6831209, 26652341, 60160730, 162393096, 615784006, 1590912343, 2654271900

Basic calculations (n = 28685738)

Multiplication

n×y
n×2 57371476
n×3 86057214
n×4 114742952
n×5 143428690

Division

n÷y
n÷2 14342869
n÷3 9561912.6666667
n÷3 7171434.5
n÷5 5737147.6

Exponentiation

ny
n2 822871564604644
n3 2.3604678109899E+22
n4 6.7711761183489E+29
n5 1.9423618408281E+37

Nth Root

y√n
2√n 5355.9068326475
3√n 306.11786508516
4√n 73.184061329278
5√n 31.01224494389

Divisors of 28685738

1, 2, 23, 46, 61, 122, 1403, 2806, 10223, 20446, 235129, 470258, 623603, 1247206, 14342869, 28685738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28685737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28685738 can be divided by 16 positive divisors. The sum of these divisors (counting 28685738) is 1, the average is 0.0625.

Base conversion 28685738

Base System Value
2 Binary 1101101011011010110101010
3 Ternary 1222222101102202
4 Quaternary 1231123112222
5 Quinary 24320420423
6 Senary 2502500202
8 Octal 155332652
10 Decimal 28685738
12 Duodecimal 9734662
16 Hexadecimal 1b5b5aa
20 Vigesimal 8j5e6i
36 Base36 h2u22

Cryptographic Hash Functions

md5 c462506b0157982024db4dded7ceab37
sha1 57b0d283f93d11fc2a29bced3d3b9d5cddc6b8ab
sha256 4cf3c6c0149112c34510420b621b388b7d5c795ec4104bb8b81bdc97018c3dd3
sha512 68d3f60d472b3b8f0b2ab64dc97c4c0afa2ba7db5e3e3025cda46de81def5f74984e0777aaa70ce0574c1d32cf71a72d9f3f7838335723da7919df36425ddf9b
ripemd-160 48b5998df30dc50f8f039fbf095103ba64fc3f21

28685738 as geometric shapes

Circle

Radius = n
Diameter 57371476
Circumference 180237807.5272
Area 2.5851272622099E+15

Sphere

Radius = n
Volume 9.887504445388E+22
Surface area 1.034050904884E+16
Circumference 180237807.5272

Square

Length = n
Perimeter 114742952
Area 822871564604644
Diagonal 40567759.726281

Cube

Length = n
Surface area 4937229387627864
Volume 2.3604678109899E+22
Space diagonal 49685155.668609

Equilateral Triangle

Length = n
Perimeter 86057214
Area 3.5631383949973E+14
Altitude 24842577.834305

Triangular Pyramid

Length = n
Surface area 3.5631383949973E+14
Volume 2.7818379932059E+21
Height 13522586.575427