28943909 (number)

28943909 is an odd 8-digits composite number following 28943908 and preceding 28943910. In scientific notation, it is written as 2.8943909 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 28237920 positive integers (up to 28943909) that are relatively prime to 28943909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8943909 × 10^7
Engineering notation 2.8943909 × 10^6

Prime Factorization of 28943909

Prime Factorization 41 × 705949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28943909
Product of the distinct prime numbers

The prime factorization of 28943909 is 41 × 705949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28943909)

Multiplication

n×y
n×2 57887818
n×3 86831727
n×4 115775636
n×5 144719545

Division

n÷y
n÷2 14471954.5
n÷3 9647969.6666667
n÷3 7235977.25
n÷5 5788781.8

Exponentiation

ny
n2 837749868200281
n3 2.4247755949951E+22
n4 7.0182484166959E+29
n5 2.0313554351224E+37

Nth Root

y√n
2√n 5379.9543678362
3√n 307.03347504274
4√n 73.348172218783
5√n 31.067866966009

Divisors of 28943909

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 -28943908
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 28943909 can be divided by 4 positive divisors. The sum of these divisors (counting 28943909) is 1, the average is 0.25.

Base conversion 28943909

Base System Value
2 Binary 1101110011010011000100101
3 Ternary 2000110111120122
4 Quaternary 1232122120211
5 Quinary 24402201114
6 Senary 2512211325
8 Octal 156323045
10 Decimal 28943909
12 Duodecimal 9839b45
16 Hexadecimal 1b9a625
20 Vigesimal 90hjf9
36 Base36 h8d9h

Cryptographic Hash Functions

md5 6e571fd3c7ea295d6d372841879e9ac7
sha1 1f5e9fcbed82fbb97c379017da72c1234020753f
sha256 7a97185d144e72f881b0368888b07bd18b0b4c5269665d327a4d3b7a08a9ebb0
sha512 1b63718567952a2d26400b5045d47a9dc560945af899edf51295dbd13a059b19811d5617d66e8ea5f9f6de64790c6552b87f5868ca1d7c7ff69cb14a2b11290d
ripemd-160 7fccd0b90e3c0234deba2d0fc77f97a3f071d0e2

28943909 as geometric shapes

Circle

Radius = n
Diameter 57887818
Circumference 181859943.76114
Area 2.6318688314838E+15

Sphere

Radius = n
Volume 1.0156876261121E+23
Surface area 1.0527475325935E+16
Circumference 181859943.76114

Square

Length = n
Perimeter 115775636
Area 837749868200281
Diagonal 40932868.655893

Cube

Length = n
Surface area 5026499209201686
Volume 2.4247755949951E+22
Space diagonal 50132320.95765

Equilateral Triangle

Length = n
Perimeter 86831727
Area 3.6275633393925E+14
Altitude 25066160.478825

Triangular Pyramid

Length = n
Surface area 3.6275633393925E+14
Volume 2.8576254434611E+21
Height 13644289.551964