28423945 (number)

28423945 is an odd 8-digits composite number following 28423944 and preceding 28423946. In scientific notation, it is written as 2.8423945 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 20608000 positive integers (up to 28423945) that are relatively prime to 28423945.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-three thousand nine hundred forty-five

Notation

Scientific notation 2.8423945 × 10^7
Engineering notation 2.8423945 × 10^6

Prime Factorization of 28423945

Prime Factorization 5 × 11 × 1151 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28423945
Product of the distinct prime numbers

The prime factorization of 28423945 is 5 × 11 × 1151 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 28, 20, 646, 687, 949, 4194, 57348, 2422, 793355, 170507, 8828409, 452225, 19016261, 55940333, 723329319, 797616154, 2854615714, 4841610793

Basic calculations (n = 28423945)

Multiplication

n×y
n×2 56847890
n×3 85271835
n×4 113695780
n×5 142119725

Division

n÷y
n÷2 14211972.5
n÷3 9474648.3333333
n÷3 7105986.25
n÷5 5684789

Exponentiation

ny
n2 807920649363025
n3 2.2964292101859E+22
n4 6.5273577566717E+29
n5 1.8553325787096E+37

Nth Root

y√n
2√n 5331.4111640353
3√n 305.18378245547
4√n 73.016512954504
5√n 30.955432115256

Divisors of 28423945

1, 5, 11, 55, 449, 1151, 2245, 4939, 5755, 12661, 24695, 63305, 516799, 2583995, 5684789, 28423945

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 -28423944
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 28423945 can be divided by 16 positive divisors. The sum of these divisors (counting 28423945) is 1, the average is 0.0625.

Base conversion 28423945

Base System Value
2 Binary 1101100011011011100001001
3 Ternary 1222111002022201
4 Quaternary 1230123130021
5 Quinary 24234031240
6 Senary 2453120201
8 Octal 154333411
10 Decimal 28423945
12 Duodecimal 9629061
16 Hexadecimal 1b1b709
20 Vigesimal 8hcjh5
36 Base36 gx821

Cryptographic Hash Functions

md5 d2cd28815c4e7ed61bc206650d03f405
sha1 81b4ee993da62c1edd36309df1f1c527785784ca
sha256 cb183fdc6d075413a19ee947ba86f2471a56db0742a85f67b9d6b93900f19e52
sha512 f92b3e46e8aac6ae49d2f7ee0f74ad30e195ea7b18419410e11e4fde79e0132341001a9068cbfcc40cff28615965a9056ab3e3998e5230329a48734c736ecb74
ripemd-160 cd4a2de14c3bb9f1ecf6c5521eb3a7986caf483e

28423945 as geometric shapes

Circle

Radius = n
Diameter 56847890
Circumference 178592913.59608
Area 2.5381575767224E+15

Sphere

Radius = n
Volume 9.619260181612E+22
Surface area 1.0152630306889E+16
Circumference 178592913.59608

Square

Length = n
Perimeter 113695780
Area 807920649363025
Diagonal 40197528.515147

Cube

Length = n
Surface area 4847523896178150
Volume 2.2964292101859E+22
Space diagonal 49231716.891543

Equilateral Triangle

Length = n
Perimeter 85271835
Area 3.498399032952E+14
Altitude 24615858.445772

Triangular Pyramid

Length = n
Surface area 3.498399032952E+14
Volume 2.7063677783955E+21
Height 13399176.171716