28668825 is an odd 8-digits composite number following 28668824
and preceding 28668826 . In scientific notation, it is written as 2.8668825 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 14959200 positive integers (up to 28668825) that are relatively prime to 28668825.
28668825 has 16 divisors, whose sum is 39573504
The reverse of 28668825 is 52886682
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred sixty-eight thousand eight hundred twenty-five
Scientific notation
2.8668825 × 10^7
Engineering notation
2.8668825 × 10^6
Prime Factorization
75 × 3 × 47 × 2711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28668825
Product of the distinct prime numbers
The prime factorization of 28668825 is 75 × 3 × 47 × 2711.
Since it has a total of 4 prime factors.
1 , 7 , 51 , 16 , 483 , 439 , 8898 , 2181 , 89368 , 25479 , 625176 , 196761 , 8389547 , 9782542 , 89981448 , 49212591 , 670788044 , 198327683 , 3667657218 , 8928024124
n×2
57337650
n×3
86006475
n×4
114675300
n×5
143344125
n÷2
14334412.5
n÷3
9556275
n÷3
7167206.25
n÷5
5733765
n2
821901526880625
n3
2.3562951041373E+22
n4
6.755221198887E+29
n5
1.9366425438718E+37
2 √n
5354.3276888887
3 √n
306.0576912884
4 √n
73.173271683646
5 √n
31.008587141241
1 , 3 , 47 , 75 , 141 , 225 , 2711 , 3525 , 8133 , 10575 , 127417 , 203325 , 382251 , 609975 , 9556275 , 28668825
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28668824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28668825 can be divided by 16 positive divisors.
The sum of these divisors (counting 28668825) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010111001110011001
3
Ternary
1222221112020100
4
Quaternary
1231113032121
5
Quinary
24314400300
6
Senary
2502250013
8
Octal
155271631
10
Decimal
28668825
12
Duodecimal
9726909
16
Hexadecimal
1b57399
20
Vigesimal
8j3c15
36
Base36
h2h09
md5
241e7a232275978dccc3ea0b09274e47
sha1
6b4d5793dcacb7ca1dfa77b288d9c3e101b8aab4
sha256
0f5e18c9718a8cabe8c3fd6d20d5e3059c263843161cf2216dbb8fe93cb8907e
sha512
55cc5ad70995157338aba441fb2bdf38f7b3ed774d4270549773b3e9e2776cd185677be73ec1d86cf4ab2c93cbf3191ffd9b3526a0576b90c32475ed00ed922f
ripemd-160
72f717f273074b17e8140dc1ad76cb615b311ffa
Diameter
57337650
Circumference
180131540.0141
Area
2.5820797988224E+15
Volume
9.8700258517966E+22
Surface area
1.032831919529E+16
Circumference
180131540.0141
Perimeter
114675300
Area
821901526880625
Diagonal
40543841.132301
Surface area
4931409161283750
Volume
2.3562951041373E+22
Space diagonal
49655861.493301
Perimeter
86006475
Area
3.5589380084392E+14
Altitude
24827930.74665
Surface area
3.5589380084392E+14
Volume
2.7769204110203E+21
Height
13514613.710767