28588728 (number)

28588728 is an even 8-digits composite number following 28588727 and preceding 28588729. In scientific notation, it is written as 2.8588728 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 64 positive divisors. There are 8128512 positive integers (up to 28588728) that are relatively prime to 28588728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8588728 × 10^7
Engineering notation 2.8588728 × 10^6

Prime Factorization of 28588728

Prime Factorization 2 × 2 × 2 × 7 × 3 × 379 × 449

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7147182
Product of the distinct prime numbers

The prime factorization of 28588728 is 2 × 2 × 2 × 7 × 3 × 379 × 449. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28588728)

Multiplication

n×y
n×2 57177456
n×3 85766184
n×4 114354912
n×5 142943640

Division

n÷y
n÷2 14294364
n÷3 9529576
n÷3 7147182
n÷5 5717745.6

Exponentiation

ny
n2 817315368657984
n3 2.3366006764783E+22
n4 6.6800441184454E+29
n5 1.9097396433023E+37

Nth Root

y√n
2√n 5346.8428067412
3√n 305.77239685755
4√n 73.12210887783
5√n 30.991240946443

Divisors of 28588728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28588727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28588728 can be divided by 64 positive divisors. The sum of these divisors (counting 28588728) is 1, the average is 0.015625.

Base conversion 28588728

Base System Value
2 Binary 1101101000011101010111000
3 Ternary 1222210110100210
4 Quaternary 1231003222320
5 Quinary 24304314403
6 Senary 2500431120
8 Octal 155035270
10 Decimal 28588728
12 Duodecimal 96a84a0
16 Hexadecimal 1b43ab8
20 Vigesimal 8idbg8
36 Base36 h0r7c

Cryptographic Hash Functions

md5 b8122f4c242eacf7db96d11627920399
sha1 f0059afe2b2859d6f92d98e0b8f85f21de445142
sha256 fa85e93af507ab5cc799a4881f97387bd56adfafee21ae01dec6a2a0769b91f5
sha512 d0fee8b201f23601bf8c6e696b924c3227fa898115c1e830dbef079e91e9fd743a5b5a28b0411d4a7e1f1d8ee74109884ee8c8c87acf2c0d2ed283165ced9fa0
ripemd-160 820bf7c86326f913d8c73b492fd3d2d55306b8c7

28588728 as geometric shapes

Circle

Radius = n
Diameter 57177456
Circumference 179628275.72055
Area 2.567671957842E+15

Sphere

Radius = n
Volume 9.7875300261295E+22
Surface area 1.0270687831368E+16
Circumference 179628275.72055

Square

Length = n
Perimeter 114354912
Area 817315368657984
Diagonal 40430566.868595

Cube

Length = n
Surface area 4903892211947904
Volume 2.3366006764783E+22
Space diagonal 49517129.419767

Equilateral Triangle

Length = n
Perimeter 85766184
Area 3.5390793608063E+14
Altitude 24758564.709883

Triangular Pyramid

Length = n
Surface area 3.5390793608063E+14
Volume 2.7537103054381E+21
Height 13476855.622865