28442938 (number)

28442938 is an even 8-digits composite number following 28442937 and preceding 28442939. In scientific notation, it is written as 2.8442938 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 13222336 positive integers (up to 28442938) that are relatively prime to 28442938.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty-two thousand nine hundred thirty-eight

Notation

Scientific notation 2.8442938 × 10^7
Engineering notation 2.8442938 × 10^6

Prime Factorization of 28442938

Prime Factorization 2 × 17 × 83 × 10079

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28442938
Product of the distinct prime numbers

The prime factorization of 28442938 is 2 × 17 × 83 × 10079. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28442938)

Multiplication

n×y
n×2 56885876
n×3 85328814
n×4 113771752
n×5 142214690

Division

n÷y
n÷2 14221469
n÷3 9480979.3333333
n÷3 7110734.5
n÷5 5688587.6

Exponentiation

ny
n2 809000722071844
n3 2.3010357379845E+22
n4 6.5448216831277E+29
n5 1.8615395735426E+37

Nth Root

y√n
2√n 5333.1921022967
3√n 305.25174235113
4√n 73.028707384813
5√n 30.959567920054

Divisors of 28442938

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 -28442937
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 28442938 can be divided by 16 positive divisors. The sum of these divisors (counting 28442938) is 1, the average is 0.0625.

Base conversion 28442938

Base System Value
2 Binary 1101100100000000100111010
3 Ternary 1222112001101011
4 Quaternary 1230200010322
5 Quinary 24240133223
6 Senary 2453344134
8 Octal 154400472
10 Decimal 28442938
12 Duodecimal 963804a
16 Hexadecimal 1b2013a
20 Vigesimal 8hf76i
36 Base36 gxmpm

Cryptographic Hash Functions

md5 3cbfa67785819a09b4948336bbe6f926
sha1 2295dc5e01673127c8b048892564a77dbfd83baf
sha256 e73f4cca8247ec0abb938d0dcb71211ff26ccb65fdf22fed76cfaa08b8ed3011
sha512 1a16ae36d7c7372e8d207e1d3c93df0492b573af57a62831a366ff5c48232274eaa2a3357dfe4cfbc0bcd857b364e5aeee5635c1ca2d0ebf193e7976b53c97ce
ripemd-160 113f7c37a7d37b6c8f8b4765aba673bd4f9c39de

28442938 as geometric shapes

Circle

Radius = n
Diameter 56885876
Circumference 178712250.13462
Area 2.5415507252097E+15

Sphere

Radius = n
Volume 9.6385559601328E+22
Surface area 1.0166202900839E+16
Circumference 178712250.13462

Square

Length = n
Perimeter 113771752
Area 809000722071844
Diagonal 40224388.673337

Cube

Length = n
Surface area 4854004332431064
Volume 2.3010357379845E+22
Space diagonal 49264613.732532

Equilateral Triangle

Length = n
Perimeter 85328814
Area 3.5030758849709E+14
Altitude 24632306.866266

Triangular Pyramid

Length = n
Surface area 3.5030758849709E+14
Volume 2.711796623469E+21
Height 13408129.557779