28511091 is an odd 8-digits composite number following 28511090
and preceding 28511092 . In scientific notation, it is written as 2.8511091 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 15329664 positive integers (up to 28511091) that are relatively prime to 28511091.
28511091 has 16 divisors, whose sum is 34236000
The reverse of 28511091 is 19011582
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million five hundred eleven thousand ninety-one
Scientific notation
2.8511091 × 10^7
Engineering notation
2.8511091 × 10^6
Prime Factorization
9 × 49 × 17 × 3803
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28511091
Product of the distinct prime numbers
The prime factorization of 28511091 is 9 × 49 × 17 × 3803.
Since it has a total of 4 prime factors.
6 , 6 , 2 , 69 , 670 , 902 , 315 , 4637 , 54878 , 75274 , 347954 , 21799 , 7884472 , 2841163 , 21445132 , 54228994 , 938196774 , 949046457 , 8608922297 , 1629906003
n×2
57022182
n×3
85533273
n×4
114044364
n×5
142555455
n÷2
14255545.5
n÷3
9503697
n÷3
7127772.75
n÷5
5702218.2
n2
812882310010281
n3
2.3176161512993E+22
n4
6.6077764992765E+29
n5
1.8839491707853E+37
2 √n
5339.5777922978
3 √n
305.49535557953
4 √n
73.072414715115
5 √n
30.974390355153
1 , 9 , 17 , 49 , 153 , 441 , 833 , 3803 , 7497 , 34227 , 64651 , 186347 , 581859 , 1677123 , 3167899 , 28511091
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
-28511090
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 28511091 can be divided by 16 positive divisors.
The sum of these divisors (counting 28511091) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100110000101101110011
3
Ternary
1222122111212100
4
Quaternary
1230300231303
5
Quinary
24244323331
6
Senary
2455031443
8
Octal
154605563
10
Decimal
28511091
12
Duodecimal
966b583
16
Hexadecimal
1b30b73
20
Vigesimal
8i3heb
36
Base36
gz3ar
md5
e6062622443665b66d1160d58eb8f5ed
sha1
9b7b130832b224246e2890c6bc4438f5c44a00e4
sha256
c21c56d023e21a1df23bee30daae2680832a3a1574e9063bd2ecfc615229dbe7
sha512
6efb9e805977d853b4ee1115f4d9711fd64fda178d42e533d1edaf877e9d6de9411f76edd2cc51edbead905ef69a44c9eb98a5ac5eb912e5ac05fb58b2cfde56
ripemd-160
ac70a86a0b97e9c7c59d169588f68d2ed6610f0f
Diameter
57022182
Circumference
179140468.06286
Area
2.5537450933614E+15
Volume
9.7080078330174E+22
Surface area
1.0214980373446E+16
Circumference
179140468.06286
Perimeter
114044364
Area
812882310010281
Diagonal
40320771.570253
Surface area
4877293860061686
Volume
2.3176161512993E+22
Space diagonal
49382658.19122
Perimeter
85533273
Area
3.5198836537794E+14
Altitude
24691329.09561
Surface area
3.5198836537794E+14
Volume
2.731336827952E+21
Height
13440257.190084