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.
28821432 has 32 divisors, whose sum is 72522000
The reverse of 28821432 is 23412882
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million eight hundred twenty-one thousand four hundred thirty-two
Scientific notation
2.8821432 × 10^7
Engineering notation
2.8821432 × 10^6
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.
10 , 2 , 92 , 42 , 802 , 128 , 3419 , 6949 , 78905 , 68069 , 70024 , 774840 , 9247266 , 1158045 , 33981790 , 15592451 , 600589500 , 163803915 , 8215881212 , 7960533687
n×2
57642864
n×3
86464296
n×4
115285728
n×5
144107160
n÷2
14410716
n÷3
9607144
n÷3
7205358
n÷5
5764286.4
n2
830674942530624
n3
2.394124137025E+22
n4
6.9002086014826E+29
n5
1.9887389299344E+37
2 √n
5368.5595833519
3 √n
306.59978902912
4 √n
73.270455050804
5 √n
31.041529430893
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 157 , 314 , 471 , 628 , 942 , 1256 , 1884 , 3768 , 7649 , 15298 , 22947 , 30596 , 45894 , 61192 , 91788 , 183576 , 1200893 , 2401786 , 3602679 , 4803572 , 7205358 , 9607144 , 14410716 , 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
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
md5
70b055a3d14f9d1fd512517fbaaa6dc0
sha1
88fce27a700dd66adb7aeb07770345e9bbdbaf2f
sha256
7411d3b3db2547600de32456c82d122db1e2082fdb202ff23d1d8b815172f04a
sha512
ff869208ac6e68d0897474477543a6ef5425ce9e90ca4fae8f58e14b2864bcb3296703a251c127003a81e5ee11473f9ad998b614686548ba44977d0b101f48d7
ripemd-160
b11e8c9de1d14f7b73c321d0e4494bdb117eb51c
Diameter
57642864
Circumference
181090398.07428
Area
2.6096422969753E+15
Volume
1.0028483734213E+23
Surface area
1.0438569187901E+16
Circumference
181090398.07428
Perimeter
115285728
Area
830674942530624
Diagonal
40759660.021414
Surface area
4984049655183744
Volume
2.394124137025E+22
Space diagonal
49920184.570891
Perimeter
86464296
Area
3.5969280125935E+14
Altitude
24960092.285446
Surface area
3.5969280125935E+14
Volume
2.8215023538213E+21
Height
13586553.340471