28490986 (number)

28490986 is an even 8-digits composite number following 28490985 and preceding 28490987. In scientific notation, it is written as 2.8490986 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 14245492 positive integers (up to 28490986) that are relatively prime to 28490986.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand nine hundred eighty-six

Notation

Scientific notation 2.8490986 × 10^7
Engineering notation 2.8490986 × 10^6

Prime Factorization of 28490986

Prime Factorization 2 × 14245493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28490986
Product of the distinct prime numbers

The prime factorization of 28490986 is 2 × 14245493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490986)

Multiplication

n×y
n×2 56981972
n×3 85472958
n×4 113963944
n×5 142454930

Division

n÷y
n÷2 14245493
n÷3 9496995.3333333
n÷3 7122746.5
n÷5 5698197.2

Exponentiation

ny
n2 811736283252196
n3 2.312716708183E+22
n4 6.5891579354809E+29
n5 1.8773160649158E+37

Nth Root

y√n
2√n 5337.6948208005
3√n 305.42353056715
4√n 73.059529294955
5√n 30.970020716362

Divisors of 28490986

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 -28490985
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 28490986 can be divided by 4 positive divisors. The sum of these divisors (counting 28490986) is 1, the average is 0.25.

Base conversion 28490986

Base System Value
2 Binary 1101100101011110011101010
3 Ternary 1222121111021201
4 Quaternary 1230223303222
5 Quinary 24243202421
6 Senary 2454354414
8 Octal 154536352
10 Decimal 28490986
12 Duodecimal 965ba0a
16 Hexadecimal 1b2bcea
20 Vigesimal 8i1796
36 Base36 gynsa

Cryptographic Hash Functions

md5 229ff6e5b232a2b0979db2de1b18a4ff
sha1 46380f843a8352c7e2443e5cf253c22bd636cc17
sha256 e693b3b1a5c268a13cb02dea31932760087e378ac344a4f32f4da0d078f8f8b5
sha512 ec36b00625d6222d99b86b764fb22b45a7708269875d68570267fcf0b940b90ea650da665864d0d092df7ed09d1c0f07d9013fdd510f80a190e07470669504c5
ripemd-160 0c8945b1859fa93e63a2d8eed4139c62d4e0d7fe

28490986 as geometric shapes

Circle

Radius = n
Diameter 56981972
Circumference 179014144.62226
Area 2.5501447441174E+15

Sphere

Radius = n
Volume 9.6874850936829E+22
Surface area 1.020057897647E+16
Circumference 179014144.62226

Square

Length = n
Perimeter 113963944
Area 811736283252196
Diagonal 40292338.806582

Cube

Length = n
Surface area 4870417699513176
Volume 2.312716708183E+22
Space diagonal 49347835.309734

Equilateral Triangle

Length = n
Perimeter 85472958
Area 3.5149212123498E+14
Altitude 24673917.654867

Triangular Pyramid

Length = n
Surface area 3.5149212123498E+14
Volume 2.7255627788661E+21
Height 13430779.602194