28821490 (number)

28821490 is an even 8-digits composite number following 28821489 and preceding 28821491. In scientific notation, it is written as 2.8821490 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 11528592 positive integers (up to 28821490) that are relatively prime to 28821490.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred ninety

Notation

Scientific notation 2.8821490 × 10^7
Engineering notation 2.8821490 × 10^6

Prime Factorization of 28821490

Prime Factorization 2 × 5 × 2882149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28821490
Product of the distinct prime numbers

The prime factorization of 28821490 is 2 × 5 × 2882149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821490)

Multiplication

n×y
n×2 57642980
n×3 86464470
n×4 115285960
n×5 144107450

Division

n÷y
n÷2 14410745
n÷3 9607163.3333333
n÷3 7205372.5
n÷5 5764298

Exponentiation

ny
n2 830678285820100
n3 2.3941385907981E+22
n4 6.9002641453302E+29
n5 1.9887589406199E+37

Nth Root

y√n
2√n 5368.5649851706
3√n 306.59999469524
4√n 73.270491912984
5√n 31.041541924424

Divisors of 28821490

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821490 can be divided by 8 positive divisors. The sum of these divisors (counting 28821490) is 1, the average is 0.125.

Base conversion 28821490

Base System Value
2 Binary 1101101111100011111110010
3 Ternary 2000020021122121
4 Quaternary 1231330133302
5 Quinary 24334241430
6 Senary 2505424454
8 Octal 155743762
10 Decimal 28821490
12 Duodecimal 979b12a
16 Hexadecimal 1b7c7f2
20 Vigesimal 902dea
36 Base36 h5qsy

Cryptographic Hash Functions

md5 229b198a96ea53916fa79ef949e85f4e
sha1 97e171548c7ec1ec6d463237a0545359ddd9919a
sha256 3181aa5a4955f9213c577318c54191f45ce85631ff0593aca2f4804bf0dc910c
sha512 9761b4b3b4f0f50ee9b7624d1902cbb5172a251bd7e248adacc24232c22dc8c9a51497f249a6c5e4ad35b8558a98b0628d0ae1214bfad0169cca5614b91aa4c5
ripemd-160 a602a42b682e61b644e90983f83cfe4a33e3a640

28821490 as geometric shapes

Circle

Radius = n
Diameter 57642980
Circumference 181090762.49902
Area 2.609652800229E+15

Sphere

Radius = n
Volume 1.0028544278036E+23
Surface area 1.0438611200916E+16
Circumference 181090762.49902

Square

Length = n
Perimeter 115285960
Area 830678285820100
Diagonal 40759742.045801

Cube

Length = n
Surface area 4984069714920600
Volume 2.3941385907981E+22
Space diagonal 49920285.029838

Equilateral Triangle

Length = n
Perimeter 86464470
Area 3.5969424894616E+14
Altitude 24960142.514919

Triangular Pyramid

Length = n
Surface area 3.5969424894616E+14
Volume 2.8215193877563E+21
Height 13586580.681934