28161768 is an even 8-digits composite number following 28161767
and preceding 28161769 . In scientific notation, it is written as 2.8161768 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 9387248 positive integers (up to 28161768) that are relatively prime to 28161768.
28161768 has 16 divisors, whose sum is 70404480
The reverse of 28161768 is 86716182
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-one thousand seven hundred sixty-eight
Scientific notation
2.8161768 × 10^7
Engineering notation
2.8161768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 1173407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7040442
Product of the distinct prime numbers
The prime factorization of 28161768 is 2 × 2 × 2 × 3 × 1173407.
Since it has a total of 5 prime factors.
9 , 5 , 25 , 48 , 556 , 431 , 9370 , 6347 , 76377 , 29172 , 121641 , 669437 , 5729180 , 7000747 , 53418064 , 26651557 , 325302046 , 988401229 , 5325880196 , 3930737395
n×2
56323536
n×3
84485304
n×4
112647072
n×5
140808840
n÷2
14080884
n÷3
9387256
n÷3
7040442
n÷5
5632353.6
n2
793085176885824
n3
2.2334680755698E+22
n4
6.2898409779602E+29
n5
1.7713304237821E+37
2 √n
5306.7662469719
3 √n
304.24256379201
4 √n
72.847554845526
5 √n
30.898114859975
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 1173407 , 2346814 , 3520221 , 4693628 , 7040442 , 9387256 , 14080884 , 28161768
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
-28161767
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 28161768 can be divided by 16 positive divisors.
The sum of these divisors (counting 28161768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011011011101000
3
Ternary
1221222202200110
4
Quaternary
1223123123220
5
Quinary
24202134033
6
Senary
2443334320
8
Octal
153333350
10
Decimal
28161768
12
Duodecimal
95213a0
16
Hexadecimal
1adb6e8
20
Vigesimal
8g0488
36
Base36
grlrc
md5
e806cc91f88553adfe33bab85ce1423a
sha1
0494a2458f6c3fa5d90d34f67a6beda84a2ab30f
sha256
a45b5830629ccfcf27ebaaf5add39b4b75fce3b0551b2247f72e834d37766ff6
sha512
760c1fc586d2b764531737cd46d37c756112085e34a4ab519fbf28cd69c7c7310087f80158760580e2cef4345f94195013e43fe4b2c229cf99927c80be3d304f
ripemd-160
e4aa3a0357cdb393c9ad56473bd6feded476f3c0
Diameter
56323536
Circumference
176945606.9218
Area
2.4915505653755E+15
Volume
9.3555291976497E+22
Surface area
9.9662022615019E+15
Circumference
176945606.9218
Perimeter
112647072
Area
793085176885824
Diagonal
39826754.246005
Surface area
4758511061314944
Volume
2.2334680755698E+22
Space diagonal
48777613.006967
Perimeter
84485304
Area
3.43415955274E+14
Altitude
24388806.503484
Surface area
3.43415955274E+14
Volume
2.6321673696651E+21
Height
13275584.748668