28872020 (number)

28872020 is an even 8-digits composite number following 28872019 and preceding 28872021. In scientific notation, it is written as 2.8872020 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 10940832 positive integers (up to 28872020) that are relatively prime to 28872020.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy-two thousand twenty

Notation

Scientific notation 2.8872020 × 10^7
Engineering notation 2.8872020 × 10^6

Prime Factorization of 28872020

Prime Factorization 2 × 2 × 5 × 19 × 75979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14436010
Product of the distinct prime numbers

The prime factorization of 28872020 is 2 × 2 × 5 × 19 × 75979. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 25, 43, 356, 163, 6958, 9097, 85574, 74296, 475129, 732453, 7913620, 1772108, 92210040, 84572693, 766666961, 663423969, 1639754885, 4881684990

Basic calculations (n = 28872020)

Multiplication

n×y
n×2 57744040
n×3 86616060
n×4 115488080
n×5 144360100

Division

n÷y
n÷2 14436010
n÷3 9624006.6666667
n÷3 7218005
n÷5 5774404

Exponentiation

ny
n2 833593538880400
n3 2.4067529326426E+22
n4 6.9487818806315E+29
n5 2.0062536943323E+37

Nth Root

y√n
2√n 5373.2690236019
3√n 306.77906770286
4√n 73.302585381431
5√n 31.052418740907

Divisors of 28872020

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 75979, 151958, 303916, 379895, 759790, 1443601, 1519580, 2887202, 5774404, 7218005, 14436010, 28872020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28872019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28872020 can be divided by 24 positive divisors. The sum of these divisors (counting 28872020) is 1, the average is 0.041666666666667.

Base conversion 28872020

Base System Value
2 Binary 1101110001000110101010100
3 Ternary 2000022211222002
4 Quaternary 1232020311110
5 Quinary 24342401040
6 Senary 2510454432
8 Octal 156106524
10 Decimal 28872020
12 Duodecimal 9804418
16 Hexadecimal 1b88d54
20 Vigesimal 909010
36 Base36 h6tsk

Cryptographic Hash Functions

md5 a96b638ca6b5ce8812bcfb4df409ba69
sha1 103a87285dc48a7b84840f5f30c7eaac2b062232
sha256 d9d9d7b47e63461f951ffca77c07b657fc58e8bad483d5e1e7b5efaaa9531ce3
sha512 f50e8efbcfc3a1b09702eb8c556d214e9d526c94332c875a6cfcb9433a985e32d311c5b80a380cab8ef0741c225bc02faf7cbf63ac94b2f7f1c502ef7c9d7c66
ripemd-160 f4bcd40e38b3b828da842f544694d3ed47b8e7c2

28872020 as geometric shapes

Circle

Radius = n
Diameter 57744040
Circumference 181408251.8526
Area 2.6188113378266E+15

Sphere

Radius = n
Volume 1.0081383109594E+23
Surface area 1.0475245351306E+16
Circumference 181408251.8526

Square

Length = n
Perimeter 115488080
Area 833593538880400
Diagonal 40831202.257107

Cube

Length = n
Surface area 5001561233282400
Volume 2.4067529326426E+22
Space diagonal 50007805.557145

Equilateral Triangle

Length = n
Perimeter 86616060
Area 3.609565905505E+14
Altitude 25003902.778572

Triangular Pyramid

Length = n
Surface area 3.609565905505E+14
Volume 2.836385532187E+21
Height 13610400.752369