28031009 (number)

28031009 is an odd 8-digits composite number following 28031008 and preceding 28031010. In scientific notation, it is written as 2.8031009 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 27595296 positive integers (up to 28031009) that are relatively prime to 28031009.

Interesting facts

Basic properties

Name

Name twenty-eight million thirty-one thousand nine

Notation

Scientific notation 2.8031009 × 10^7
Engineering notation 2.8031009 × 10^6

Prime Factorization of 28031009

Prime Factorization 83 × 457 × 739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28031009
Product of the distinct prime numbers

The prime factorization of 28031009 is 83 × 457 × 739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28031009)

Multiplication

n×y
n×2 56062018
n×3 84093027
n×4 112124036
n×5 140155045

Division

n÷y
n÷2 14015504.5
n÷3 9343669.6666667
n÷3 7007752.25
n÷5 5606201.8

Exponentiation

ny
n2 785737465558081
n3 2.2025013968696E+22
n4 6.1738336478164E+29
n5 1.7305878654644E+37

Nth Root

y√n
2√n 5294.4318864256
3√n 303.77095295971
4√n 72.762846882359
5√n 30.86936857338

Divisors of 28031009

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28031008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28031009 can be divided by 8 positive divisors. The sum of these divisors (counting 28031009) is 1, the average is 0.125.

Base conversion 28031009

Base System Value
2 Binary 1101010111011100000100001
3 Ternary 1221202010022112
4 Quaternary 1222323200201
5 Quinary 24133443014
6 Senary 2440445105
8 Octal 152734041
10 Decimal 28031009
12 Duodecimal 9479795
16 Hexadecimal 1abb821
20 Vigesimal 8f3ha9
36 Base36 gosv5

Cryptographic Hash Functions

md5 0c27e6bcb6c0a6ff0655c3c96ee939c4
sha1 cca60c52db1c768e31bd873fb4f69c8dcfeacecb
sha256 3e83e4d772f0517213618d84fb74469753b59c0db20deb80d874b8c8830ae37a
sha512 0c14f7b84bad419ba0d6b94549b84f9329141b7fe6b92d84b0cebe6c739ea1a538857d38fc61e6c59ad46fccf367c82e0c8ce8bebfd717eb4ceb2d57df6128da
ripemd-160 2c3e5482ab47659324eee10f9cf6bc3c5b869ee5

28031009 as geometric shapes

Circle

Radius = n
Diameter 56062018
Circumference 176124023.89422
Area 2.4684670494475E+15

Sphere

Radius = n
Volume 9.2258162772356E+22
Surface area 9.8738681977901E+15
Circumference 176124023.89422

Square

Length = n
Perimeter 112124036
Area 785737465558081
Diagonal 39641833.094802

Cube

Length = n
Surface area 4714424793348486
Volume 2.2025013968696E+22
Space diagonal 48551131.77542

Equilateral Triangle

Length = n
Perimeter 84093027
Area 3.4023430293925E+14
Altitude 24275565.88771

Triangular Pyramid

Length = n
Surface area 3.4023430293925E+14
Volume 2.5956727888322E+21
Height 13213944.364934