28689984 (number)

28689984 is an even 8-digits composite number following 28689983 and preceding 28689985. In scientific notation, it is written as 2.8689984 × 10^7. The sum of its digits is 54. It has a total of 9 prime factors and 56 positive divisors. There are 9562752 positive integers (up to 28689984) that are relatively prime to 28689984.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-nine thousand nine hundred eighty-four

Notation

Scientific notation 2.8689984 × 10^7
Engineering notation 2.8689984 × 10^6

Prime Factorization of 28689984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 3 × 16603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 896562
Product of the distinct prime numbers

The prime factorization of 28689984 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 3 × 16603. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28689984)

Multiplication

n×y
n×2 57379968
n×3 86069952
n×4 114759936
n×5 143449920

Division

n÷y
n÷2 14344992
n÷3 9563328
n÷3 7172496
n÷5 5737996.8

Exponentiation

ny
n2 823115181920256
n3 2.3615161399449E+22
n4 6.7751860270762E+29
n5 1.9437997871384E+37

Nth Root

y√n
2√n 5356.3032027696
3√n 306.1329679716
4√n 73.186769315018
5√n 31.013162962429

Divisors of 28689984

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28689983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28689984 can be divided by 56 positive divisors. The sum of these divisors (counting 28689984) is 1, the average is 0.017857142857143.

Base conversion 28689984

Base System Value
2 Binary 1101101011100011001000000
3 Ternary 1222222121021000
4 Quaternary 1231130121000
5 Quinary 24321034414
6 Senary 2502532000
8 Octal 155343100
10 Decimal 28689984
12 Duodecimal 9737000
16 Hexadecimal 1b5c640
20 Vigesimal 8j64j4
36 Base36 h2xc0

Cryptographic Hash Functions

md5 2ff6fffcd358c329a42a435ddcccf687
sha1 ecee08ea041bd45b1037196777c9cef7dd759b62
sha256 557e131395bc210d3a14b5a6e0d6520907a9f65ddf737e2649728285ab3ec3af
sha512 f2da19a55acfd501164e288cea8a2658e687287be6067f730a6eb40b798e8e79b783e471d2dd11395945a790dfa2c3271dcae45120ba24d867dc02fb4468cea8
ripemd-160 dca564eff8d56f4e21d46b4a13a754ec10aa24b1

28689984 as geometric shapes

Circle

Radius = n
Diameter 57379968
Circumference 180264485.93202
Area 2.5858926085789E+15

Sphere

Radius = n
Volume 9.8918956754463E+22
Surface area 1.0343570434316E+16
Circumference 180264485.93202

Square

Length = n
Perimeter 114759936
Area 823115181920256
Diagonal 40573764.477067

Cube

Length = n
Surface area 4938691091521536
Volume 2.3615161399449E+22
Space diagonal 49692509.956338

Equilateral Triangle

Length = n
Perimeter 86069952
Area 3.564193288918E+14
Altitude 24846254.978169

Triangular Pyramid

Length = n
Surface area 3.564193288918E+14
Volume 2.7830734607276E+21
Height 13524588.159022