28942021 (number)

28942021 is an odd 8-digits prime number following 28942020 and preceding 28942022. In scientific notation, it is written as 2.8942021 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 28942020 positive integers (up to 28942021) that are relatively prime to 28942021.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred forty-two thousand twenty-one

Notation

Scientific notation 2.8942021 × 10^7
Engineering notation 2.8942021 × 10^6

Prime Factorization of 28942021

Prime Factorization 28942021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28942021
Product of the distinct prime numbers

The prime factorization of 28942021 is 28942021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28942021)

Multiplication

n×y
n×2 57884042
n×3 86826063
n×4 115768084
n×5 144710105

Division

n÷y
n÷2 14471010.5
n÷3 9647340.3333333
n÷3 7235505.25
n÷5 5788404.2

Exponentiation

ny
n2 837640579564441
n3 2.4243011244206E+22
n4 7.0164174053305E+29
n5 2.0306929988984E+37

Nth Root

y√n
2√n 5379.7788988024
3√n 307.02679900593
4√n 73.34697607129
5√n 31.067461646442

Divisors of 28942021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28942022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14471011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5379.7789917431
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999308963
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28942021 can be divided by 2 positive divisors. The sum of these divisors (counting 28942021) is 28942022, the average is 14471011.

Base conversion 28942021

Base System Value
2 Binary 1101110011001111011000101
3 Ternary 2000110101222201
4 Quaternary 1232121323011
5 Quinary 24402121041
6 Senary 2512154501
8 Octal 156317305
10 Decimal 28942021
12 Duodecimal 9838a31
16 Hexadecimal 1b99ec5
20 Vigesimal 90hf11
36 Base36 h8bt1

Cryptographic Hash Functions

md5 cf16cc8d26779592cecab4aff183c544
sha1 a1c40b63f05ed62add56b6f83877ef1279e109c6
sha256 e96bc889a8fbdc9b061889a4761ee29f889a3697c9b3890eabacd1c23cda6439
sha512 6ff3534ac6cf6274e0c5693a52170af8d20968b3900bfa088427c22078b0706f4887ffed9fc1b9cef5c6633cf1e33678e3a6e4c6e86bd3353dd031a7f03e1614
ripemd-160 708ed4dbfae5e0708f7a041749aabf9892959820

28942021 as geometric shapes

Circle

Radius = n
Diameter 57884042
Circumference 181848081.10728
Area 2.6315254911083E+15

Sphere

Radius = n
Volume 1.0154888803426E+23
Surface area 1.0526101964433E+16
Circumference 181848081.10728

Square

Length = n
Perimeter 115768084
Area 837640579564441
Diagonal 40930198.620687

Cube

Length = n
Surface area 5025843477386646
Volume 2.4243011244206E+22
Space diagonal 50129050.845725

Equilateral Triangle

Length = n
Perimeter 86826063
Area 3.6270901057176E+14
Altitude 25064525.422863

Triangular Pyramid

Length = n
Surface area 3.6270901057176E+14
Volume 2.8570662745267E+21
Height 13643399.540229