28698728 (number)

28698728 is an even 8-digits composite number following 28698727 and preceding 28698729. In scientific notation, it is written as 2.8698728 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors. There are 14313600 positive integers (up to 28698728) that are relatively prime to 28698728.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-eight thousand seven hundred twenty-eight

Notation

Scientific notation 2.8698728 × 10^7
Engineering notation 2.8698728 × 10^6

Prime Factorization of 28698728

Prime Factorization 2 × 2 × 2 × 8521 × 421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7174682
Product of the distinct prime numbers

The prime factorization of 28698728 is 2 × 2 × 2 × 8521 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 77, 62, 881, 207, 123, 2502, 79418, 32375, 889551, 532602, 3152961, 1845313, 16533703, 17299711, 104327430, 314819975, 7495690549, 9439780880

Basic calculations (n = 28698728)

Multiplication

n×y
n×2 57397456
n×3 86096184
n×4 114794912
n×5 143493640

Division

n÷y
n÷2 14349364
n÷3 9566242.6666667
n÷3 7174682
n÷5 5739745.6

Exponentiation

ny
n2 823616988817984
n3 2.3636759938266E+22
n4 6.783449442696E+29
n5 1.9467637045768E+37

Nth Root

y√n
2√n 5357.1193751866
3√n 306.16406540703
4√n 73.192345058665
5√n 31.015053141548

Divisors of 28698728

1, 2, 4, 8, 421, 842, 1684, 3368, 8521, 17042, 34084, 68168, 3587341, 7174682, 14349364, 28698728

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 -28698727
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 28698728 can be divided by 16 positive divisors. The sum of these divisors (counting 28698728) is 1, the average is 0.0625.

Base conversion 28698728

Base System Value
2 Binary 1101101011110100001101000
3 Ternary 2000000001020212
4 Quaternary 1231132201220
5 Quinary 24321324403
6 Senary 2503040252
8 Octal 155364150
10 Decimal 28698728
12 Duodecimal 9740088
16 Hexadecimal 1b5e868
20 Vigesimal 8j76g8
36 Base36 h342w

Cryptographic Hash Functions

md5 857af2a68fc9cc1eaac9eaea746952c6
sha1 38fe1e533c14a3966b028b7d2dceafa5ee14e8ea
sha256 be908a812449db22b99e90691fdc0852db35e7621a6eea3d1ef24f9d79218ef9
sha512 8a410f2fd84ed57df9c1bc80d4d40e344131431ab8307e08bf44180da5cbf980b6edd05e94e1aac25fc092f6fd346b4d533ce92652e6ef8a71c29eb8712dfc83
ripemd-160 5ef4214134ce45476de65b431dfba0593c390f3f

28698728 as geometric shapes

Circle

Radius = n
Diameter 57397456
Circumference 180319426.10434
Area 2.5874690814423E+15

Sphere

Radius = n
Volume 9.9009428502298E+22
Surface area 1.0349876325769E+16
Circumference 180319426.10434

Square

Length = n
Perimeter 114794912
Area 823616988817984
Diagonal 40586130.360456

Cube

Length = n
Surface area 4941701932907904
Volume 2.3636759938266E+22
Space diagonal 49707655.0086

Equilateral Triangle

Length = n
Perimeter 86096184
Area 3.5663661765241E+14
Altitude 24853827.5043

Triangular Pyramid

Length = n
Surface area 3.5663661765241E+14
Volume 2.7856188729378E+21
Height 13528710.120152