28163387 is an odd 8-digits composite number following 28163386
and preceding 28163388 . In scientific notation, it is written as 2.8163387 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 23612904 positive integers (up to 28163387) that are relatively prime to 28163387.
28163387 has 16 divisors, whose sum is 33561600
The reverse of 28163387 is 78336182
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred sixty-three thousand three hundred eighty-seven
Scientific notation
2.8163387 × 10^7
Engineering notation
2.8163387 × 10^6
Prime Factorization
7 × 7 × 7 × 47 × 1747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
574763
Product of the distinct prime numbers
The prime factorization of 28163387 is 7 × 7 × 7 × 47 × 1747.
Since it has a total of 5 prime factors.
7 , 3 , 15 , 21 , 912 , 799 , 8708 , 289 , 62011 , 80009 , 265873 , 225231 , 3969644 , 9123108 , 6437554 , 85758636 , 357856909 , 42195987 , 4112359731 , 439471721
n×2
56326774
n×3
84490161
n×4
112653548
n×5
140816935
n÷2
14081693.5
n÷3
9387795.6666667
n÷3
7040846.75
n÷5
5632677.4
n2
793176367311769
n3
2.2338532991855E+22
n4
6.2912874966189E+29
n5
1.7718396449554E+37
2 √n
5306.918785887
3 √n
304.24839390978
4 √n
72.848601811476
5 √n
30.898470113932
1 , 7 , 47 , 49 , 329 , 343 , 1747 , 2303 , 12229 , 16121 , 82109 , 85603 , 574763 , 599221 , 4023341 , 28163387
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
-28163386
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 28163387 can be divided by 16 positive divisors.
The sum of these divisors (counting 28163387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011110100111011
3
Ternary
1221222211220102
4
Quaternary
1223123310323
5
Quinary
24202212022
6
Senary
2443350015
8
Octal
153336473
10
Decimal
28163387
12
Duodecimal
952230b
16
Hexadecimal
1adbd3b
20
Vigesimal
8g0897
36
Base36
grn0b
md5
2bcd2c8a0811cbe4870f4f456b45a1fa
sha1
7e02c0c9cc3b225f33a3a374b9283423c269ab59
sha256
32a38fe04cc0600b2398ebd7c4a25b0946c0791bd92ba23743dbcf62e86d0d11
sha512
1cda4302d3adebb603397a088d7186056baf19375a73c41bd2b89c9bcd42fbd147c30d5e6d6710f053b91fc839f58afc7562980c07add9717c59437acf87fe78
ripemd-160
f3d05bfe6570e1cdf7952744dc6ef5829c51635d
Diameter
56326774
Circumference
176955779.39881
Area
2.4918370485477E+15
Volume
9.3571428185582E+22
Surface area
9.9673481941908E+15
Circumference
176955779.39881
Perimeter
112653548
Area
793176367311769
Diagonal
39829043.857762
Surface area
4759058203870614
Volume
2.2338532991855E+22
Space diagonal
48780417.197225
Perimeter
84490161
Area
3.4345544188672E+14
Altitude
24390208.598612
Surface area
3.4345544188672E+14
Volume
2.6326213600501E+21
Height
13276347.952587