28281641 is an odd 8-digits composite number following 28281640
and preceding 28281642 . In scientific notation, it is written as 2.8281641 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 26127360 positive integers (up to 28281641) that are relatively prime to 28281641.
28281641 has 16 divisors, whose sum is 30543360
The reverse of 28281641 is 14618282
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred eighty-one thousand six hundred forty-one
Scientific notation
2.8281641 × 10^7
Engineering notation
2.8281641 × 10^6
Prime Factorization
31 × 29 × 163 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28281641
Product of the distinct prime numbers
The prime factorization of 28281641 is 31 × 29 × 163 × 193.
Since it has a total of 4 prime factors.
10 , 8 , 92 , 94 , 446 , 876 , 4923 , 4160 , 87626 , 61273 , 333208 , 945883 , 3479433 , 8150626 , 62408996 , 17108056 , 501354853 , 209704397 , 7366341933 , 9657319529
n×2
56563282
n×3
84844923
n×4
113126564
n×5
141408205
n÷2
14140820.5
n÷3
9427213.6666667
n÷3
7070410.25
n÷5
5656328.2
n2
799851217652881
n3
2.2621104991072E+22
n4
6.397619703808E+29
n5
1.8093518371762E+37
2 √n
5318.0486082773
3 √n
304.67363100228
4 √n
72.924951890812
5 √n
30.924374287139
1 , 29 , 31 , 163 , 193 , 899 , 4727 , 5053 , 5597 , 5983 , 31459 , 146537 , 173507 , 912311 , 975229 , 28281641
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
-28281640
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 28281641 can be divided by 16 positive divisors.
The sum of these divisors (counting 28281641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111000101100101001
3
Ternary
1222012212010012
4
Quaternary
1223320230221
5
Quinary
24220003031
6
Senary
2450101305
8
Octal
153705451
10
Decimal
28281641
12
Duodecimal
957a835
16
Hexadecimal
1af8b29
20
Vigesimal
8gf421
36
Base36
gu695
md5
ae549c1d1050e86b229699c13f1d4785
sha1
5bcb67e1a83d9edc3548f67cfc7296cb5117498c
sha256
004c411a00173840df392dec9434b086d42e228ab57db8a4677189a31a6e825f
sha512
dea167d71fff27c29f865cd76129e10e0b4370218474e624cd299ebe89c4d028f1f71a30f9a8ba8c67240917ae8e54432df1b180d2bd94fee9915607fcfb3166
ripemd-160
03e715d444c44fd3b95a7044eccd24d8e16387e8
Diameter
56563282
Circumference
177698791.19413
Area
2.5128067093431E+15
Volume
9.4755063008045E+22
Surface area
1.0051226837373E+16
Circumference
177698791.19413
Perimeter
113126564
Area
799851217652881
Diagonal
39996280.268367
Surface area
4799107305917286
Volume
2.2621104991072E+22
Space diagonal
48985239.133423
Perimeter
84844923
Area
3.4634573686766E+14
Altitude
24492619.566712
Surface area
3.4634573686766E+14
Volume
2.6659227895199E+21
Height
13332093.422789