28779009 (number)

28779009 is an odd 8-digits composite number following 28779008 and preceding 28779010. In scientific notation, it is written as 2.8779009 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 16219008 positive integers (up to 28779009) that are relatively prime to 28779009.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-nine thousand nine

Notation

Scientific notation 2.8779009 × 10^7
Engineering notation 2.8779009 × 10^6

Prime Factorization of 28779009

Prime Factorization 3 × 7 × 73 × 18773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28779009
Product of the distinct prime numbers

The prime factorization of 28779009 is 3 × 7 × 73 × 18773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28779009)

Multiplication

n×y
n×2 57558018
n×3 86337027
n×4 115116036
n×5 143895045

Division

n÷y
n÷2 14389504.5
n÷3 9593003
n÷3 7194752.25
n÷5 5755801.8

Exponentiation

ny
n2 828231359022081
n3 2.3835677735379E+22
n4 6.8596718406756E+29
n5 1.9741455763985E+37

Nth Root

y√n
2√n 5364.6070685559
3√n 306.44928448104
4√n 73.243477993306
5√n 31.032385882265

Divisors of 28779009

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 -28779008
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 28779009 can be divided by 16 positive divisors. The sum of these divisors (counting 28779009) is 1, the average is 0.0625.

Base conversion 28779009

Base System Value
2 Binary 1101101110010001000000001
3 Ternary 2000011010101020
4 Quaternary 1231302020001
5 Quinary 24331412014
6 Senary 2504500053
8 Octal 155621001
10 Decimal 28779009
12 Duodecimal 977a629
16 Hexadecimal 1b72201
20 Vigesimal 8jh7a9
36 Base36 h4u0x

Cryptographic Hash Functions

md5 58694e6f0346f075f29d5a81198a5d26
sha1 9f82b40293025f7d1925d946031894770045cecb
sha256 b2fa70898db559c772e5af51e9593645d1a5b57639563464a87d76fcd47adb36
sha512 40a74ffe0b6311fd723ca2e035143e82e4eaa3a8cbb5acb167a12fb796a97b4654a5f1b1539041413f2bf2ea2b4a55f66d5e27dd7c58bffc3c26d2b5442717f3
ripemd-160 9b217f19e35788bde909605ff9e1d46d14c349ae

28779009 as geometric shapes

Circle

Radius = n
Diameter 57558018
Circumference 180823846.50399
Area 2.6019655529765E+15

Sphere

Radius = n
Volume 9.9842653422399E+22
Surface area 1.0407862211906E+16
Circumference 180823846.50399

Square

Length = n
Perimeter 115116036
Area 828231359022081
Diagonal 40699664.839457

Cube

Length = n
Surface area 4969388154132486
Volume 2.3835677735379E+22
Space diagonal 49846705.779482

Equilateral Triangle

Length = n
Perimeter 86337027
Area 3.5863469856202E+14
Altitude 24923352.889741

Triangular Pyramid

Length = n
Surface area 3.5863469856202E+14
Volume 2.8090615601439E+21
Height 13566554.946486