28161867 is an odd 8-digits composite number following 28161866
and preceding 28161868 . In scientific notation, it is written as 2.8161867 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 17709120 positive integers (up to 28161867) that are relatively prime to 28161867.
28161867 has 16 divisors, whose sum is 39725568
The reverse of 28161867 is 76816182
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-one thousand eight hundred sixty-seven
Scientific notation
2.8161867 × 10^7
Engineering notation
2.8161867 × 10^6
Prime Factorization
3 × 73 × 23 × 5591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28161867
Product of the distinct prime numbers
The prime factorization of 28161867 is 3 × 73 × 23 × 5591.
Since it has a total of 4 prime factors.
3 , 9 , 19 , 19 , 362 , 271 , 2960 , 5011 , 90618 , 57528 , 822014 , 585415 , 5785669 , 5568882 , 21954001 , 10764442 , 941500346 , 727591344 , 8256684298 , 2810229607
n×2
56323734
n×3
84485601
n×4
112647468
n×5
140809335
n÷2
14080933.5
n÷3
9387289
n÷3
7040466.75
n÷5
5632373.4
n2
793090752925689
n3
2.2334916302823E+22
n4
6.2899294237624E+29
n5
1.7713615587138E+37
2 √n
5306.7755746781
3 √n
304.24292030347
4 √n
72.847618867593
5 √n
30.898136583817
1 , 3 , 23 , 69 , 73 , 219 , 1679 , 5037 , 5591 , 16773 , 128593 , 385779 , 408143 , 1224429 , 9387289 , 28161867
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
-28161866
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 28161867 can be divided by 16 positive divisors.
The sum of these divisors (counting 28161867) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011011101001011
3
Ternary
1221222202211010
4
Quaternary
1223123131023
5
Quinary
24202134432
6
Senary
2443335003
8
Octal
153333513
10
Decimal
28161867
12
Duodecimal
9521463
16
Hexadecimal
1adb74b
20
Vigesimal
8g04d7
36
Base36
grlu3
md5
72d2e4c341ed7c61b18d337e01157105
sha1
0d9203939a6e4626a1cdf2eb353b4ce059d62e2d
sha256
ac403567348276341e20859c0edb883867f60de5cdd9332ac9b93d4189606157
sha512
50e9d553186b74666c963ce273d92002ed9037d83987da21d9b1a5310def2d741c4d4d0e3d4b9666550678d2557b75d2a51e440b904444765375ada7e90d18bb
ripemd-160
91efa1eb2183b974d19dadd6c27c17b806aa8d12
Diameter
56323734
Circumference
176946228.95715
Area
2.4915680830213E+15
Volume
9.3556278633989E+22
Surface area
9.9662723320854E+15
Circumference
176946228.95715
Perimeter
112647468
Area
793090752925689
Diagonal
39826894.253147
Surface area
4758544517554134
Volume
2.2334916302823E+22
Space diagonal
48777784.479997
Perimeter
84485601
Area
3.4341836977009E+14
Altitude
24388892.239999
Surface area
3.4341836977009E+14
Volume
2.63219512916E+21
Height
13275631.417716