28821488 is an even 8-digits composite number following 28821487
and preceding 28821489 . In scientific notation, it is written as 2.8821488 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 14348544 positive integers (up to 28821488) that are relatively prime to 28821488.
28821488 has 20 divisors, whose sum is 56082720
The reverse of 28821488 is 88412882
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million eight hundred twenty-one thousand four hundred eighty-eight
Scientific notation
2.8821488 × 10^7
Engineering notation
2.8821488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 239 × 7537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3602686
Product of the distinct prime numbers
The prime factorization of 28821488 is 2 × 2 × 2 × 2 × 239 × 7537.
Since it has a total of 6 prime factors.
9 , 4 , 54 , 37 , 8 , 836 , 714 , 249 , 11602 , 34826 , 503018 , 121053 , 8734294 , 5010810 , 92950932 , 1002351 , 495246734 , 258029635 , 6325935697 , 8798815062
n×2
57642976
n×3
86464464
n×4
115285952
n×5
144107440
n÷2
14410744
n÷3
9607162.6666667
n÷3
7205372
n÷5
5764297.6
n2
830678170534144
n3
2.3941380923912E+22
n4
6.9002622300195E+29
n5
1.9887582505936E+37
2 √n
5368.5647989011
3 √n
306.59998760331
4 √n
73.270490641875
5 √n
31.041541493613
1 , 2 , 4 , 8 , 16 , 239 , 478 , 956 , 1912 , 3824 , 7537 , 15074 , 30148 , 60296 , 120592 , 1801343 , 3602686 , 7205372 , 14410744 , 28821488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28821487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28821488 can be divided by 20 positive divisors.
The sum of these divisors (counting 28821488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101111100011111110000
3
Ternary
2000020021122112
4
Quaternary
1231330133300
5
Quinary
24334241423
6
Senary
2505424452
8
Octal
155743760
10
Decimal
28821488
12
Duodecimal
979b128
16
Hexadecimal
1b7c7f0
20
Vigesimal
902de8
36
Base36
h5qsw
md5
18ebdfdbd638dc3172ca89e352ee7bb9
sha1
c8c8592548de6bd1e8c8d4b96c5604b0eecc04c0
sha256
5b06cfdf18eb80e355a817bf7e765f16b0ebe8559fe5846c3eeee7ac017847b1
sha512
4193b79471c88f8e08929999dfbb44d509e867b1dfe62d6bf58528ded06c528d48b1058d88e999a20b3beecb98c87a8347680b4da4d13743fa5a8fa3d588d7ec
ripemd-160
82c76d6dca49b07c847d49ab7bf36b2a61a4ab3f
Diameter
57642976
Circumference
181090749.93265
Area
2.6096524380475E+15
Volume
1.0028542190314E+23
Surface area
1.043860975219E+16
Circumference
181090749.93265
Perimeter
115285952
Area
830678170534144
Diagonal
40759739.217373
Surface area
4984069023204864
Volume
2.3941380923912E+22
Space diagonal
49920281.565737
Perimeter
86464464
Area
3.5969419902588E+14
Altitude
24960140.782868
Surface area
3.5969419902588E+14
Volume
2.821518800378E+21
Height
13586579.739124