28405939 (number)

28405939 is an odd 8-digits prime number following 28405938 and preceding 28405940. In scientific notation, it is written as 2.8405939 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 28405938 positive integers (up to 28405939) that are relatively prime to 28405939.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred five thousand nine hundred thirty-nine

Notation

Scientific notation 2.8405939 × 10^7
Engineering notation 2.8405939 × 10^6

Prime Factorization of 28405939

Prime Factorization 28405939

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28405939
Product of the distinct prime numbers

The prime factorization of 28405939 is 28405939. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28405939)

Multiplication

n×y
n×2 56811878
n×3 85217817
n×4 113623756
n×5 142029695

Division

n÷y
n÷2 14202969.5
n÷3 9468646.3333333
n÷3 7101484.75
n÷5 5681187.8

Exponentiation

ny
n2 806897370471721
n3 2.292067748488E+22
n4 6.5108336647418E+29
n5 1.849463439198E+37

Nth Root

y√n
2√n 5329.7222254072
3√n 305.11932623791
4√n 73.004946581771
5√n 30.951509191814

Divisors of 28405939

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28405940
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14202970
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5329.7223192208
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999295922
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28405939 can be divided by 2 positive divisors. The sum of these divisors (counting 28405939) is 28405940, the average is 14202970.

Base conversion 28405939

Base System Value
2 Binary 1101100010111000010110011
3 Ternary 1222110011121211
4 Quaternary 1230113002303
5 Quinary 24232442224
6 Senary 2452500551
8 Octal 154270263
10 Decimal 28405939
12 Duodecimal 961a757
16 Hexadecimal 1b170b3
20 Vigesimal 8haegj
36 Base36 gwu5v

Cryptographic Hash Functions

md5 b23b1c953fa450863a1aa3aad3a8b644
sha1 7869100b501dac472d48f1cd3031993dca5b751b
sha256 06112294a7809823b49c8f66f3ed2fac46fe33f5386f9000c5777252ca85bbf5
sha512 66e33d4f202876847a1829b1b4b979e54896e282457c4152e1123e4db40886f18bbb25e8c9879f494488908588fbd636d01d34bf1ba1d2285fb593acada16c83
ripemd-160 da6eba314ae0e2f6d303c516de4ae0cae8ce619a

28405939 as geometric shapes

Circle

Radius = n
Diameter 56811878
Circumference 178479778.56144
Area 2.5349428512749E+15

Sphere

Radius = n
Volume 9.6009909335734E+22
Surface area 1.01397714051E+16
Circumference 178479778.56144

Square

Length = n
Perimeter 113623756
Area 806897370471721
Diagonal 40172064.185743

Cube

Length = n
Surface area 4841384222830326
Volume 2.292067748488E+22
Space diagonal 49200529.584702

Equilateral Triangle

Length = n
Perimeter 85217817
Area 3.4939681053769E+14
Altitude 24600264.792351

Triangular Pyramid

Length = n
Surface area 3.4939681053769E+14
Volume 2.7012277464914E+21
Height 13390688.061914