28685736 (number)

28685736 is an even 8-digits composite number following 28685735 and preceding 28685737. In scientific notation, it is written as 2.8685736 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 9516192 positive integers (up to 28685736) that are relatively prime to 28685736.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8685736 × 10^7
Engineering notation 2.8685736 × 10^6

Prime Factorization of 28685736

Prime Factorization 2 × 2 × 2 × 9 × 239 × 1667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7171434
Product of the distinct prime numbers

The prime factorization of 28685736 is 2 × 2 × 2 × 9 × 239 × 1667. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28685736)

Multiplication

n×y
n×2 57371472
n×3 86057208
n×4 114742944
n×5 143428680

Division

n÷y
n÷2 14342868
n÷3 9561912
n÷3 7171434
n÷5 5737147.2

Exponentiation

ny
n2 822871449861696
n3 2.360467317267E+22
n4 6.7711742299749E+29
n5 1.9423611637106E+37

Nth Root

y√n
2√n 5355.9066459377
3√n 306.11785797088
4√n 73.18406005366
5√n 31.012244511448

Divisors of 28685736

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 -28685735
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 28685736 can be divided by 32 positive divisors. The sum of these divisors (counting 28685736) is 1, the average is 0.03125.

Base conversion 28685736

Base System Value
2 Binary 1101101011011010110101000
3 Ternary 1222222101102200
4 Quaternary 1231123112220
5 Quinary 24320420421
6 Senary 2502500200
8 Octal 155332650
10 Decimal 28685736
12 Duodecimal 9734660
16 Hexadecimal 1b5b5a8
20 Vigesimal 8j5e6g
36 Base36 h2u20

Cryptographic Hash Functions

md5 a874b1fadf445f6776c1eaac7f102433
sha1 df603ce11af32ef948fff0cba777935172689c96
sha256 a0deee4306376dc145a8a19c20c0a94836291cd8b993430139d68af226c9861f
sha512 a524fb83b436e5fcdd9900483319264ac40f81d7aa544525667b0fc8f447ee7bc5763eb6840dc543ec61efe644a12a2405093be6c5f37afd6d3d2327a4caa92b
ripemd-160 8680c60b689566d6d56181b45266beb427d35331

28685736 as geometric shapes

Circle

Radius = n
Diameter 57371472
Circumference 180237794.96083
Area 2.5851269017343E+15

Sphere

Radius = n
Volume 9.8875023772864E+22
Surface area 1.0340507606937E+16
Circumference 180237794.96083

Square

Length = n
Perimeter 114742944
Area 822871449861696
Diagonal 40567756.897854

Cube

Length = n
Surface area 4937228699170176
Volume 2.360467317267E+22
Space diagonal 49685152.204508

Equilateral Triangle

Length = n
Perimeter 86057208
Area 3.5631378981458E+14
Altitude 24842576.102254

Triangular Pyramid

Length = n
Surface area 3.5631378981458E+14
Volume 2.7818374113478E+21
Height 13522585.632618