28178081 is an odd 8-digits prime number following 28178080
and preceding 28178082 . In scientific notation, it is written as 2.8178081 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 28178080 positive integers (up to 28178081) that are relatively prime to 28178081.
28178081 has 2 divisors, whose sum is 28178082
The reverse of 28178081 is 18087182
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred seventy-eight thousand eighty-one
Scientific notation
2.8178081 × 10^7
Engineering notation
2.8178081 × 10^6
Prime Factorization
28178081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28178081
Product of the distinct prime numbers
The prime factorization of 28178081 is 28178081.
Since it has a total of 1 prime factors.
8 , 7 , 68 , 5 , 647 , 26 , 3325 , 2209 , 48646 , 60839 , 206376 , 55282 , 1302045 , 1083694 , 34899862 , 46405083 , 211445396 , 691568907 , 718403935 , 9699067461
n×2
56356162
n×3
84534243
n×4
112712324
n×5
140890405
n÷2
14089040.5
n÷3
9392693.6666667
n÷3
7044520.25
n÷5
5635616.2
n2
794004248842561
n3
2.237351603823E+22
n4
6.3044274718004E+29
n5
1.7764666795902E+37
2 √n
5308.3030245079
3 √n
304.30129768661
4 √n
72.858101982607
5 √n
30.901693642385
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28178082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14089041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5308.3031187
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999290228
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28178081 can be divided by 2 positive divisors.
The sum of these divisors (counting 28178081) is 28178082, the average is 14089041.
Base
System
Value
2
Binary
1101011011111011010100001
3
Ternary
1222000121001122
4
Quaternary
1223133122201
5
Quinary
24203144311
6
Senary
2443542025
8
Octal
153373241
10
Decimal
28178081
12
Duodecimal
952a915
16
Hexadecimal
1adf6a1
20
Vigesimal
8g2541
36
Base36
grych
md5
43788890972a613fe080c073ab122279
sha1
cc510b4956e4b3571fe2351f500463f1fc9eab87
sha256
bb47cbac6afaeb78eef6e9660722577a9554eaec2b5c5314ece1a674fca5e650
sha512
df90e2be84d36d8ca2afe224172209e1aa58c4aee9ff1cebb560c6d511651310e3117461806c02339baef71757342df35a9d3bc5e7bc1b105bc4bb27e2bb2f97
ripemd-160
c94a3eeb2fbbfae7c1c40b06f2ced587eae3da8d
Diameter
56356162
Circumference
177048104.52372
Area
2.4944379150829E+15
Volume
9.3717964827568E+22
Surface area
9.9777516603315E+15
Circumference
177048104.52372
Perimeter
112712324
Area
794004248842561
Diagonal
39849824.311848
Surface area
4764025493055366
Volume
2.237351603823E+22
Space diagonal
48805867.951791
Perimeter
84534243
Area
3.4381392510522E+14
Altitude
24402933.975896
Surface area
3.4381392510522E+14
Volume
2.6367441516031E+21
Height
13283274.770616