28493913 (number)

28493913 is an odd 8-digits composite number following 28493912 and preceding 28493914. In scientific notation, it is written as 2.8493913 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 15974400 positive integers (up to 28493913) that are relatively prime to 28493913.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-three thousand nine hundred thirteen

Notation

Scientific notation 2.8493913 × 10^7
Engineering notation 2.8493913 × 10^6

Prime Factorization of 28493913

Prime Factorization 21 × 53 × 25601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28493913
Product of the distinct prime numbers

The prime factorization of 28493913 is 21 × 53 × 25601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28493913)

Multiplication

n×y
n×2 56987826
n×3 85481739
n×4 113975652
n×5 142469565

Division

n÷y
n÷2 14246956.5
n÷3 9497971
n÷3 7123478.25
n÷5 5698782.6

Exponentiation

ny
n2 811903078051569
n3 2.3134295670434E+22
n4 6.5918660814961E+29
n5 1.878280586338E+37

Nth Root

y√n
2√n 5337.9689957886
3√n 305.43398936117
4√n 73.061405651606
5√n 30.970657026567

Divisors of 28493913

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 -28493912
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 28493913 can be divided by 8 positive divisors. The sum of these divisors (counting 28493913) is 1, the average is 0.125.

Base conversion 28493913

Base System Value
2 Binary 1101100101100100001011001
3 Ternary 1222121122022010
4 Quaternary 1230230201121
5 Quinary 24243301123
6 Senary 2454420133
8 Octal 154544131
10 Decimal 28493913
12 Duodecimal 9661649
16 Hexadecimal 1b2c859
20 Vigesimal 8i1efd
36 Base36 gyq1l

Cryptographic Hash Functions

md5 5fd85edb6f365360b6cae0994f06b228
sha1 738fe482a30fafea7c1b4aa858e2c99948e25631
sha256 3545055fb4962b7b64f82559e907e49b124feea6efba77402b56d646ba808b0b
sha512 42efba48fbfa08a5ad98a5659711cb7547a4aa79b900a3be22fe53eb649b5f2fee369e1e86fe045a4b30b11cde6560a67cb4979ccaf7877d23f78af0abee9c11
ripemd-160 755c4de793cede4b9928729350db9c919f44c75b

28493913 as geometric shapes

Circle

Radius = n
Diameter 56987826
Circumference 179032535.50565
Area 2.5506687454337E+15

Sphere

Radius = n
Volume 9.6904711098945E+22
Surface area 1.0202674981735E+16
Circumference 179032535.50565

Square

Length = n
Perimeter 113975652
Area 811903078051569
Diagonal 40296478.209679

Cube

Length = n
Surface area 4871418468309414
Volume 2.3134295670434E+22
Space diagonal 49352905.022447

Equilateral Triangle

Length = n
Perimeter 85481739
Area 3.5156434550172E+14
Altitude 24676452.511224

Triangular Pyramid

Length = n
Surface area 3.5156434550172E+14
Volume 2.7264028910897E+21
Height 13432159.403226