28169918 is an even 8-digits composite number following 28169917
and preceding 28169919 . In scientific notation, it is written as 2.8169918 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 11362560 positive integers (up to 28169918) that are relatively prime to 28169918.
28169918 has 16 divisors, whose sum is 51132384
The reverse of 28169918 is 81996182
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million one hundred sixty-nine thousand nine hundred eighteen
Scientific notation
2.8169918 × 10^7
Engineering notation
2.8169918 × 10^6
Prime Factorization
2 × 7 × 17 × 118361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28169918
Product of the distinct prime numbers
The prime factorization of 28169918 is 2 × 7 × 17 × 118361.
Since it has a total of 4 prime factors.
7 , 2 , 42 , 50 , 477 , 889 , 910 , 9572 , 4654 , 51607 , 415675 , 941131 , 3479895 , 541187 , 52427194 , 20291399 , 759447925 , 670353241 , 5113156829 , 6305774791
n×2
56339836
n×3
84509754
n×4
112679672
n×5
140849590
n÷2
14084959
n÷3
9389972.6666667
n÷3
7042479.5
n÷5
5633983.6
n2
793544280126724
n3
2.2354077300539E+22
n4
6.2971252452184E+29
n5
1.7738950179353E+37
2 √n
5307.5340790239
3 √n
304.27191017085
4 √n
72.852824784108
5 √n
30.89990303244
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 118361 , 236722 , 828527 , 1657054 , 2012137 , 4024274 , 14084959 , 28169918
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
-28169917
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 28169918 can be divided by 16 positive divisors.
The sum of these divisors (counting 28169918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011101011010111110
3
Ternary
1222000011212022
4
Quaternary
1223131122332
5
Quinary
24202414133
6
Senary
2443440142
8
Octal
153353276
10
Decimal
28169918
12
Duodecimal
9526052
16
Hexadecimal
1add6be
20
Vigesimal
8g14fi
36
Base36
grs1q
md5
288c94c2834a70e8b6b18c5fb07a6ed1
sha1
d5657678e9a79ca43d5e8b560f98ca4ec81a4d1c
sha256
7988d562b88c6d4d1f9400eaaf26d2185b34c4ec4d8168e6f366f8a9fc5ae7bf
sha512
da764697a0cb9f3831c5611568e76c64a37de676e87942078d2b920b47c3339187a09b68d6e7479890b03eedc30f1823bc9199d4b470c7bdf8ce2d8d71751a54
ripemd-160
c49827fdecd3bcc55558ba92b3f7de4e3e63f475
Diameter
56339836
Circumference
176996814.88205
Area
2.4929928807443E+15
Volume
9.3636540033535E+22
Surface area
9.9719715229773E+15
Circumference
176996814.88205
Perimeter
112679672
Area
793544280126724
Diagonal
39838280.086538
Surface area
4761265680760344
Volume
2.2354077300539E+22
Space diagonal
48791729.221049
Perimeter
84509754
Area
3.4361475280879E+14
Altitude
24395864.610525
Surface area
3.4361475280879E+14
Volume
2.6344532743965E+21
Height
13279426.695513