28492728 (number)

28492728 is an even 8-digits composite number following 28492727 and preceding 28492729. In scientific notation, it is written as 2.8492728 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 8634080 positive integers (up to 28492728) that are relatively prime to 28492728.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-two thousand seven hundred twenty-eight

Notation

Scientific notation 2.8492728 × 10^7
Engineering notation 2.8492728 × 10^6

Prime Factorization of 28492728

Prime Factorization 2 × 2 × 2 × 3 × 11 × 107927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7123182
Product of the distinct prime numbers

The prime factorization of 28492728 is 2 × 2 × 2 × 3 × 11 × 107927. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 33, 31, 344, 893, 4268, 2221, 93873, 3127, 146215, 187504, 6246078, 6259046, 60179345, 22365460, 679188940, 818063007, 1680558992, 155067974

Basic calculations (n = 28492728)

Multiplication

n×y
n×2 56985456
n×3 85478184
n×4 113970912
n×5 142463640

Division

n÷y
n÷2 14246364
n÷3 9497576
n÷3 7123182
n÷5 5698545.6

Exponentiation

ny
n2 811835548881984
n3 2.3131409475025E+22
n4 6.5907695842851E+29
n5 1.8778900507571E+37

Nth Root

y√n
2√n 5337.8579973619
3√n 305.42975519023
4√n 73.060646023436
5√n 30.9703994218

Divisors of 28492728

1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 107927, 215854, 323781, 431708, 647562, 863416, 1187197, 1295124, 2374394, 2590248, 3561591, 4748788, 7123182, 9497576, 14246364, 28492728

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 -28492727
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 28492728 can be divided by 32 positive divisors. The sum of these divisors (counting 28492728) is 1, the average is 0.03125.

Base conversion 28492728

Base System Value
2 Binary 1101100101100001110111000
3 Ternary 1222121120200020
4 Quaternary 1230230032320
5 Quinary 24243231403
6 Senary 2454410440
8 Octal 154541670
10 Decimal 28492728
12 Duodecimal 9660a20
16 Hexadecimal 1b2c3b8
20 Vigesimal 8i1bg8
36 Base36 gyp4o

Cryptographic Hash Functions

md5 8f1433ffb2fbc565bfc794b554a440fd
sha1 51297efb38fa48c28698c7b2dbfe4c24c1f38274
sha256 8f15c1e2bdd9ac1b5f15161d2a1cf7b5a9b24cd2acfd8bd48b55ad2205ea142f
sha512 c646a763177644ef36d5904d606a2ec1856cda8e0d5f273c284aed3a2cfa582e0f5db2222bf505dea603afb6910622547c1e77844a6cd0aca559b89331f50dfa
ripemd-160 2dca16e2a79fe9de72ded811ade8675da1ec4b8c

28492728 as geometric shapes

Circle

Radius = n
Diameter 56985456
Circumference 179025089.93106
Area 2.5504565962907E+15

Sphere

Radius = n
Volume 9.6892621431888E+22
Surface area 1.0201826385163E+16
Circumference 179025089.93106

Square

Length = n
Perimeter 113970912
Area 811835548881984
Diagonal 40294802.366608

Cube

Length = n
Surface area 4871013293291904
Volume 2.3131409475025E+22
Space diagonal 49350852.54224

Equilateral Triangle

Length = n
Perimeter 85478184
Area 3.5153510451354E+14
Altitude 24675426.27112

Triangular Pyramid

Length = n
Surface area 3.5153510451354E+14
Volume 2.7260627496988E+21
Height 13431600.788869