28162720 is an even 8-digits composite number following 28162719
and preceding 28162721 . In scientific notation, it is written as 2.8162720 × 10^7.
The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors.
There are 11265024 positive integers (up to 28162720) that are relatively prime to 28162720.
28162720 has 24 divisors, whose sum is 66534804
The reverse of 28162720 is 02726182
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million one hundred sixty-two thousand seven hundred twenty
Scientific notation
2.8162720 × 10^7
Engineering notation
2.8162720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 176017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1760170
Product of the distinct prime numbers
The prime factorization of 28162720 is 2 × 2 × 2 × 2 × 2 × 5 × 176017.
Since it has a total of 7 prime factors.
1 , 6 , 8 , 91 , 588 , 179 , 8036 , 5436 , 3128 , 25178 , 103984 , 66553 , 6613853 , 5502278 , 46731382 , 99934647 , 366129168 , 274415778 , 4746747065 , 881461544
n×2
56325440
n×3
84488160
n×4
112650880
n×5
140813600
n÷2
14081360
n÷3
9387573.3333333
n÷3
7040680
n÷5
5632544
n2
793138797798400
n3
2.2336945883533E+22
n4
6.2906915257309E+29
n5
1.7716298404553E+37
2 √n
5306.8559430231
3 √n
304.24599202915
4 √n
72.848170485079
5 √n
30.898323757425
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 176017 , 352034 , 704068 , 880085 , 1408136 , 1760170 , 2816272 , 3520340 , 5632544 , 7040680 , 14081360 , 28162720
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
-28162719
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 28162720 can be divided by 24 positive divisors.
The sum of these divisors (counting 28162720) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011011101010100000
3
Ternary
1221222210222201
4
Quaternary
1223123222200
5
Quinary
24202201340
6
Senary
2443342544
8
Octal
153335240
10
Decimal
28162720
12
Duodecimal
9521a54
16
Hexadecimal
1adbaa0
20
Vigesimal
8g06g0
36
Base36
grmhs
md5
1148090dc06f19253fab3ba551f66c83
sha1
1cbc1b49be53278f5416c5801389b94893893d17
sha256
5307330464c9413f23917d1b52bf03332ffdc4c74b6fc365251675164d9499ac
sha512
a9203d1a5ea375b6a8485725727923d07159e27ca8b37c5cc8cc9bfa6f3f17d0e4d4791f59f83d72532e5c702c79dbbd21af0708eb87ea264dfd02d6f61565ab
ripemd-160
7bb8a2ab3e3eebca97148783eea43252a9ccf672
Diameter
56325440
Circumference
176951588.51421
Area
2.4917190204405E+15
Volume
9.3564780121787E+22
Surface area
9.966876081762E+15
Circumference
176951588.51421
Perimeter
112650880
Area
793138797798400
Diagonal
39828100.577316
Surface area
4758832786790400
Volume
2.2336945883533E+22
Space diagonal
48779261.919336
Perimeter
84488160
Area
3.4343917381023E+14
Altitude
24389630.959668
Surface area
3.4343917381023E+14
Volume
2.6324343175405E+21
Height
13276033.525772