28161822 is an even 8-digits composite number following 28161821
and preceding 28161823 . In scientific notation, it is written as 2.8161822 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 8664864 positive integers (up to 28161822) that are relatively prime to 28161822.
28161822 has 24 divisors, whose sum is 60991704
The reverse of 28161822 is 22816182
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million one hundred sixty-one thousand eight hundred twenty-two
Scientific notation
2.8161822 × 10^7
Engineering notation
2.8161822 × 10^6
Prime Factorization
2 × 3 × 13 × 13 × 27773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2166294
Product of the distinct prime numbers
The prime factorization of 28161822 is 2 × 3 × 13 × 13 × 27773.
Since it has a total of 5 prime factors.
7 , 9 , 90 , 68 , 790 , 925 , 6946 , 8440 , 84666 , 30957 , 880219 , 697031 , 8782088 , 5637057 , 3785968 , 91915856 , 816945534 , 535838310 , 5111124968 , 2786144746
n×2
56323644
n×3
84485466
n×4
112647288
n×5
140809110
n÷2
14080911
n÷3
9387274
n÷3
7040455.5
n÷5
5632364.4
n2
793088218359684
n3
2.2334809235743E+22
n4
6.2898892210094E+29
n5
1.7713474064178E+37
2 √n
5306.7713348137
3 √n
304.24275825291
4 √n
72.847589766674
5 √n
30.898126709351
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 169 , 338 , 507 , 1014 , 27773 , 55546 , 83319 , 166638 , 361049 , 722098 , 1083147 , 2166294 , 4693637 , 9387274 , 14080911 , 28161822
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28161821
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161822 can be divided by 24 positive divisors.
The sum of these divisors (counting 28161822) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011011011100011110
3
Ternary
1221222202202110
4
Quaternary
1223123130132
5
Quinary
24202134242
6
Senary
2443334450
8
Octal
153333436
10
Decimal
28161822
12
Duodecimal
9521426
16
Hexadecimal
1adb71e
20
Vigesimal
8g04b2
36
Base36
grlsu
md5
4da4392a093a49d4afebad43a2fe2325
sha1
4aa60f9dfa7355e3df2b44dad1faa3a299b6ea9d
sha256
efa1759ca45b4948f5a4372da44c3f82dbbeab5fe209cd4d908ca997173b15f9
sha512
670f2b7d750e212bed20e583b63c4784477db1b0a5c0cbb27d5db94eabbdaa9ae0e64ed69ad25484365dc0de7778006cf79fd04c205e43f45c3b512431db432a
ripemd-160
538cc066255acb2629ea26a9a4a0332706c1d7f3
Diameter
56323644
Circumference
176945946.21381
Area
2.4915601204474E+15
Volume
9.3555830152451E+22
Surface area
9.9662404817896E+15
Circumference
176945946.21381
Perimeter
112647288
Area
793088218359684
Diagonal
39826830.613537
Surface area
4758529310158104
Volume
2.2334809235743E+22
Space diagonal
48777706.537711
Perimeter
84485466
Area
3.4341727227081E+14
Altitude
24388853.268855
Surface area
3.4341727227081E+14
Volume
2.6321825111836E+21
Height
13275610.204512