28166961 is an odd 8-digits composite number following 28166960
and preceding 28166962 . In scientific notation, it is written as 2.8166961 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 18679280 positive integers (up to 28166961) that are relatively prime to 28166961.
28166961 has 8 divisors, whose sum is 37753344
The reverse of 28166961 is 16966182
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-six thousand nine hundred sixty-one
Scientific notation
2.8166961 × 10^7
Engineering notation
2.8166961 × 10^6
Prime Factorization
3 × 191 × 49157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28166961
Product of the distinct prime numbers
The prime factorization of 28166961 is 3 × 191 × 49157.
Since it has a total of 3 prime factors.
1 , 7 , 11 , 15 , 605 , 482 , 4618 , 8460 , 63017 , 24031 , 483877 , 69097 , 8360436 , 1997430 , 59951865 , 83885576 , 820596262 , 946627410 , 1810361351 , 135875955
n×2
56333922
n×3
84500883
n×4
112667844
n×5
140834805
n÷2
14083480.5
n÷3
9388987
n÷3
7041740.25
n÷5
5633392.2
n2
793377691975521
n3
2.2347038508145E+22
n4
6.294481621244E+29
n5
1.772964183408E+37
2 √n
5307.2555054378
3 √n
304.26126331082
4 √n
72.850912866194
5 √n
30.899254291823
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28166960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28166961 can be divided by 8 positive divisors.
The sum of these divisors (counting 28166961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011100101100110001
3
Ternary
1222000000210210
4
Quaternary
1223130230301
5
Quinary
24202320321
6
Senary
2443414333
8
Octal
153345461
10
Decimal
28166961
12
Duodecimal
95243a9
16
Hexadecimal
1adcb31
20
Vigesimal
8g0h81
36
Base36
grprl
md5
1134e4de300f5c9655647a84165d7ad4
sha1
7bd29db433d0544881a685f20f57106f201d2106
sha256
6fc57d7fb30c63efdfcaa70bb67d516b6671c081f752d6ba55971f9b86b68943
sha512
b8ea359db41e0b118fc1408f555489291fcdcdbd4711c5a54dee3b3fed79430f93af0c2150b030788e2ce44c47938c5ed01a858b2d1bba6854abbb2cb9da420e
ripemd-160
4f795694bea35895b20a74ed8f13926a122e963d
Diameter
56333922
Circumference
176978235.5031
Area
2.4924695286323E+15
Volume
9.36070560089E+22
Surface area
9.9698781145293E+15
Circumference
176978235.5031
Perimeter
112667844
Area
793377691975521
Diagonal
39834098.257034
Surface area
4760266151853126
Volume
2.2347038508145E+22
Space diagonal
48786607.546811
Perimeter
84500883
Area
3.4354261802333E+14
Altitude
24393303.773406
Surface area
3.4354261802333E+14
Volume
2.6336237447576E+21
Height
13278032.752345