28821432 (number)

28821432 is an even 8-digits composite number following 28821431 and preceding 28821433. In scientific notation, it is written as 2.8821432 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 9544704 positive integers (up to 28821432) that are relatively prime to 28821432.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred thirty-two

Notation

Scientific notation 2.8821432 × 10^7
Engineering notation 2.8821432 × 10^6

Prime Factorization of 28821432

Prime Factorization 2 × 2 × 2 × 3 × 157 × 7649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7205358
Product of the distinct prime numbers

The prime factorization of 28821432 is 2 × 2 × 2 × 3 × 157 × 7649. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821432)

Multiplication

n×y
n×2 57642864
n×3 86464296
n×4 115285728
n×5 144107160

Division

n÷y
n÷2 14410716
n÷3 9607144
n÷3 7205358
n÷5 5764286.4

Exponentiation

ny
n2 830674942530624
n3 2.394124137025E+22
n4 6.9002086014826E+29
n5 1.9887389299344E+37

Nth Root

y√n
2√n 5368.5595833519
3√n 306.59978902912
4√n 73.270455050804
5√n 31.041529430893

Divisors of 28821432

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821431
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821432 can be divided by 32 positive divisors. The sum of these divisors (counting 28821432) is 1, the average is 0.03125.

Base conversion 28821432

Base System Value
2 Binary 1101101111100011110111000
3 Ternary 2000020021120110
4 Quaternary 1231330132320
5 Quinary 24334241212
6 Senary 2505424320
8 Octal 155743670
10 Decimal 28821432
12 Duodecimal 979b0a0
16 Hexadecimal 1b7c7b8
20 Vigesimal 902dbc
36 Base36 h5qrc

Cryptographic Hash Functions

md5 70b055a3d14f9d1fd512517fbaaa6dc0
sha1 88fce27a700dd66adb7aeb07770345e9bbdbaf2f
sha256 7411d3b3db2547600de32456c82d122db1e2082fdb202ff23d1d8b815172f04a
sha512 ff869208ac6e68d0897474477543a6ef5425ce9e90ca4fae8f58e14b2864bcb3296703a251c127003a81e5ee11473f9ad998b614686548ba44977d0b101f48d7
ripemd-160 b11e8c9de1d14f7b73c321d0e4494bdb117eb51c

28821432 as geometric shapes

Circle

Radius = n
Diameter 57642864
Circumference 181090398.07428
Area 2.6096422969753E+15

Sphere

Radius = n
Volume 1.0028483734213E+23
Surface area 1.0438569187901E+16
Circumference 181090398.07428

Square

Length = n
Perimeter 115285728
Area 830674942530624
Diagonal 40759660.021414

Cube

Length = n
Surface area 4984049655183744
Volume 2.394124137025E+22
Space diagonal 49920184.570891

Equilateral Triangle

Length = n
Perimeter 86464296
Area 3.5969280125935E+14
Altitude 24960092.285446

Triangular Pyramid

Length = n
Surface area 3.5969280125935E+14
Volume 2.8215023538213E+21
Height 13586553.340471