28821409 is an odd 8-digits composite number following 28821408
and preceding 28821410 . In scientific notation, it is written as 2.8821409 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 26392320 positive integers (up to 28821409) that are relatively prime to 28821409.
28821409 has 8 divisors, whose sum is 31342248
The reverse of 28821409 is 90412882
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million eight hundred twenty-one thousand four hundred nine
Scientific notation
2.8821409 × 10^7
Engineering notation
2.8821409 × 10^6
Prime Factorization
17 × 37 × 45821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28821409
Product of the distinct prime numbers
The prime factorization of 28821409 is 17 × 37 × 45821.
Since it has a total of 3 prime factors.
10 , 4 , 46 , 53 , 215 , 811 , 2544 , 4798 , 82252 , 70453 , 235609 , 891093 , 1253367 , 7084652 , 78069322 , 79260386 , 50106441 , 537416925 , 9812227827 , 2116461844
n×2
57642818
n×3
86464227
n×4
115285636
n×5
144107045
n÷2
14410704.5
n÷3
9607136.3333333
n÷3
7205352.25
n÷5
5764281.8
n2
830673616745281
n3
2.3941184053725E+22
n4
6.9001865755669E+29
n5
1.9887309947072E+37
2 √n
5368.5574412499
3 √n
306.59970747179
4 √n
73.270440433028
5 √n
31.041524476556
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
-28821408
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 28821409 can be divided by 8 positive divisors.
The sum of these divisors (counting 28821409) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101111100011110100001
3
Ternary
2000020021112121
4
Quaternary
1231330132201
5
Quinary
24334241114
6
Senary
2505424241
8
Octal
155743641
10
Decimal
28821409
12
Duodecimal
979b081
16
Hexadecimal
1b7c7a1
20
Vigesimal
902da9
36
Base36
h5qqp
md5
27486ea1699fce5ea72db0bb7e5b36c6
sha1
02e4f2b72ca5b651140bf08e0ad7f28157e437dd
sha256
ed8864815023a48eede1c3f5afe939d6226eb8f4254f42deb4f165ff9d9d42db
sha512
9988aeff02261745a5441694d6089c4068656055d0d03776fe6adffafadee2a5d1fdf7275267f75ae687feac67534f42de637c1653be6765835764653d01b2f8
ripemd-160
60d2900936c88a3cde8efa11b6d0dfb839bbe2e0
Diameter
57642818
Circumference
181090253.56101
Area
2.6096381318978E+15
Volume
1.0028459725523E+23
Surface area
1.0438552527591E+16
Circumference
181090253.56101
Perimeter
115285636
Area
830673616745281
Diagonal
40759627.494502
Surface area
4984041700471686
Volume
2.3941184053725E+22
Space diagonal
49920144.733723
Perimeter
86464227
Area
3.5969222717746E+14
Altitude
24960072.366861
Surface area
3.5969222717746E+14
Volume
2.821495599004E+21
Height
13586542.498167