28307939 (number)

28307939 is an odd 8-digits composite number following 28307938 and preceding 28307940. In scientific notation, it is written as 2.8307939 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 25734480 positive integers (up to 28307939) that are relatively prime to 28307939.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seven thousand nine hundred thirty-nine

Notation

Scientific notation 2.8307939 × 10^7
Engineering notation 2.8307939 × 10^6

Prime Factorization of 28307939

Prime Factorization 11 × 2573449

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28307939
Product of the distinct prime numbers

The prime factorization of 28307939 is 11 × 2573449. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28307939)

Multiplication

n×y
n×2 56615878
n×3 84923817
n×4 113231756
n×5 141539695

Division

n÷y
n÷2 14153969.5
n÷3 9435979.6666667
n÷3 7076984.75
n÷5 5661587.8

Exponentiation

ny
n2 801339410427721
n3 2.2684267148684E+22
n4 6.4214485070465E+29
n5 1.8177797262911E+37

Nth Root

y√n
2√n 5320.5205572387
3√n 304.76803647409
4√n 72.941898503115
5√n 30.930123224269

Divisors of 28307939

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28307938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28307939 can be divided by 4 positive divisors. The sum of these divisors (counting 28307939) is 1, the average is 0.25.

Base conversion 28307939

Base System Value
2 Binary 1101011111111000111100011
3 Ternary 1222021012012012
4 Quaternary 1223333013203
5 Quinary 24221323224
6 Senary 2450423135
8 Octal 153770743
10 Decimal 28307939
12 Duodecimal 9591aab
16 Hexadecimal 1aff1e3
20 Vigesimal 8gi9gj
36 Base36 guqjn

Cryptographic Hash Functions

md5 b68e43840f1be89af57452e91f6c4262
sha1 06c09a8ff341c1facce8dffab09f65e6e6c6dd90
sha256 6abd0d9ccd42ca9c018036eb1f5d90f84ef48b4ba28ead639f8708387b11f733
sha512 2ff9db66fbaa3457b6740103339bb11eff7daa094d8264213bb229b96f805a1d18872211501aeaf09d052224b4a8a9976998892845892089112aca69b6fa097c
ripemd-160 8efae7bc3ed813a3792f3aadb118d03cdeb58191

28307939 as geometric shapes

Circle

Radius = n
Diameter 56615878
Circumference 177864026.40134
Area 2.5174820048317E+15

Sphere

Radius = n
Volume 9.5019636035165E+22
Surface area 1.0069928019327E+16
Circumference 177864026.40134

Square

Length = n
Perimeter 113231756
Area 801339410427721
Diagonal 40033471.25663

Cube

Length = n
Surface area 4808036462566326
Volume 2.2684267148684E+22
Space diagonal 49030788.605561

Equilateral Triangle

Length = n
Perimeter 84923817
Area 3.4699014324203E+14
Altitude 24515394.30278

Triangular Pyramid

Length = n
Surface area 3.4699014324203E+14
Volume 2.6733665211803E+21
Height 13344490.418877