28682728 (number)

28682728 is an even 8-digits composite number following 28682727 and preceding 28682729. In scientific notation, it is written as 2.8682728 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 14304000 positive integers (up to 28682728) that are relatively prime to 28682728.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-two thousand seven hundred twenty-eight

Notation

Scientific notation 2.8682728 × 10^7
Engineering notation 2.8682728 × 10^6

Prime Factorization of 28682728

Prime Factorization 2 × 2 × 2 × 401 × 8941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7170682
Product of the distinct prime numbers

The prime factorization of 28682728 is 2 × 2 × 2 × 401 × 8941. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 45, 50, 144, 836, 5676, 4485, 8796, 14589, 808747, 835548, 3282830, 3639591, 52363141, 10586155, 466711785, 602942038, 7678002143, 8878865847

Basic calculations (n = 28682728)

Multiplication

n×y
n×2 57365456
n×3 86048184
n×4 114730912
n×5 143413640

Division

n÷y
n÷2 14341364
n÷3 9560909.3333333
n÷3 7170682
n÷5 5736545.6

Exponentiation

ny
n2 822698885521984
n3 2.359724835933E+22
n4 6.7683345623911E+29
n5 1.9413429926606E+37

Nth Root

y√n
2√n 5355.6258271093
3√n 306.10715770851
4√n 73.182141449327
5√n 31.011594092407

Divisors of 28682728

1, 2, 4, 8, 401, 802, 1604, 3208, 8941, 17882, 35764, 71528, 3585341, 7170682, 14341364, 28682728

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 -28682727
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 28682728 can be divided by 16 positive divisors. The sum of these divisors (counting 28682728) is 1, the average is 0.0625.

Base conversion 28682728

Base System Value
2 Binary 1101101011010100111101000
3 Ternary 1222222020022021
4 Quaternary 1231122213220
5 Quinary 24320321403
6 Senary 2502434224
8 Octal 155324750
10 Decimal 28682728
12 Duodecimal 9732974
16 Hexadecimal 1b5a9e8
20 Vigesimal 8j56g8
36 Base36 h2rqg

Cryptographic Hash Functions

md5 3e0a8c5be6ee998db0acecd22ec10f9b
sha1 d6e5ba15b5c977f77319c002def74dca69730304
sha256 ad5f1e9168f4195dc7a045b3af38f58c9059ebf5a8ec1dc124e6275a0a9c5d66
sha512 e631d55f06c472c70454a664acffbc2557a2281433e6da989fe7924e8430037c20d238f5abdf8965e84a8e1a754dc816aaf6e738651fa367c8968b07189c9bfe
ripemd-160 a1ad7d5bb412e184fa5cf6cf9552eafa4a300ef0

28682728 as geometric shapes

Circle

Radius = n
Diameter 57365456
Circumference 180218895.13943
Area 2.5845847748724E+15

Sphere

Radius = n
Volume 9.8843922787474E+22
Surface area 1.033833909949E+16
Circumference 180218895.13943

Square

Length = n
Perimeter 114730912
Area 822698885521984
Diagonal 40563502.943459

Cube

Length = n
Surface area 4936193313131904
Volume 2.359724835933E+22
Space diagonal 49679942.195678

Equilateral Triangle

Length = n
Perimeter 86048184
Area 3.5623906726359E+14
Altitude 24839971.097839

Triangular Pyramid

Length = n
Surface area 3.5623906726359E+14
Volume 2.7809623887043E+21
Height 13521167.64782