28172020 is an even 8-digits composite number following 28172019
and preceding 28172021 . In scientific notation, it is written as 2.8172020 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 11268800 positive integers (up to 28172020) that are relatively prime to 28172020.
28172020 has 12 divisors, whose sum is 59161284
The reverse of 28172020 is 02027182
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-eight million one hundred seventy-two thousand twenty
Scientific notation
2.8172020 × 10^7
Engineering notation
2.8172020 × 10^6
Prime Factorization
2 × 2 × 5 × 1408601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14086010
Product of the distinct prime numbers
The prime factorization of 28172020 is 2 × 2 × 5 × 1408601.
Since it has a total of 4 prime factors.
8 , 5 , 43 , 66 , 291 , 203 , 4714 , 1587 , 55905 , 80463 , 406398 , 5547 , 9175114 , 9761381 , 98066867 , 34027456 , 489453004 , 830995149 , 5451632115 , 6773673612
n×2
56344040
n×3
84516060
n×4
112688080
n×5
140860100
n÷2
14086010
n÷3
9390673.3333333
n÷3
7043005
n÷5
5634404
n2
793662710880400
n3
2.2359081764177E+22
n4
6.2990049864203E+29
n5
1.7745569445753E+37
2 √n
5307.732095726
3 √n
304.27947809783
4 √n
72.85418379013
5 √n
30.900364160212
1 , 2 , 4 , 5 , 10 , 20 , 1408601 , 2817202 , 5634404 , 7043005 , 14086010 , 28172020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28172019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28172020 can be divided by 12 positive divisors.
The sum of these divisors (counting 28172020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011101111011110100
3
Ternary
1222000021202011
4
Quaternary
1223131323310
5
Quinary
24203001040
6
Senary
2443454004
8
Octal
153357364
10
Decimal
28172020
12
Duodecimal
9527304
16
Hexadecimal
1addef4
20
Vigesimal
8g1a10
36
Base36
grto4
md5
342fa760bcc5cb9b012d82f6ebe559e2
sha1
689e58623ad5b44f8969d038a4706e78e2ff8c9c
sha256
694d9cb25fba86a6573596567e64389ba9c4d324094214b00ac46d8a7b12c59b
sha512
da5479a3839e4fdd4e12dd3b9c3d36faf02aa5898fe12deb41aebe709c8d5dff9539140e9e23d70a6623bee3cfebc25ae12864551fa91b291b802ca4aed3b5fe
ripemd-160
6f6005f9ef77d407623ef166a6dc3aa0de492702
Diameter
56344040
Circumference
177010022.13757
Area
2.49336494193E+15
Volume
9.3657502681802E+22
Surface area
9.9734597677201E+15
Circumference
177010022.13757
Perimeter
112688080
Area
793662710880400
Diagonal
39841252.763446
Surface area
4761976265282400
Volume
2.2359081764177E+22
Space diagonal
48795369.991847
Perimeter
84516060
Area
3.4366603482943E+14
Altitude
24397684.995923
Surface area
3.4366603482943E+14
Volume
2.6350430560923E+21
Height
13280417.587815