28138833 is an odd 8-digits composite number following 28138832
and preceding 28138834 . In scientific notation, it is written as 2.8138833 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 17729280 positive integers (up to 28138833) that are relatively prime to 28138833.
28138833 has 24 divisors, whose sum is 33404280
The reverse of 28138833 is 33883182
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million one hundred thirty-eight thousand eight hundred thirty-three
Scientific notation
2.8138833 × 10^7
Engineering notation
2.8138833 × 10^6
Prime Factorization
9 × 9 × 41 × 37 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3126537
Product of the distinct prime numbers
The prime factorization of 28138833 is 9 × 9 × 41 × 37 × 229.
Since it has a total of 5 prime factors.
3 , 8 , 70 , 50 , 380 , 655 , 5667 , 7517 , 86111 , 2823 , 869093 , 527714 , 799647 , 259353 , 44690560 , 52570178 , 242455909 , 789564772 , 5355672858 , 8287578818
n×2
56277666
n×3
84416499
n×4
112555332
n×5
140694165
n÷2
14069416.5
n÷3
9379611
n÷3
7034708.25
n÷5
5627766.6
n2
791793922601889
n3
2.2280156958509E+22
n4
6.2693761586929E+29
n5
1.7641292874364E+37
2 √n
5304.6048863228
3 √n
304.15994944403
4 √n
72.832718515258
5 √n
30.89308052245
1 , 9 , 37 , 41 , 81 , 229 , 333 , 369 , 1517 , 2061 , 2997 , 3321 , 8473 , 9389 , 13653 , 18549 , 76257 , 84501 , 122877 , 347393 , 686313 , 760509 , 3126537 , 28138833
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
-28138832
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 28138833 can be divided by 24 positive divisors.
The sum of these divisors (counting 28138833) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011010101110101010001
3
Ternary
1221221121020000
4
Quaternary
1223111311101
5
Quinary
24200420313
6
Senary
2443040213
8
Octal
153256521
10
Decimal
28138833
12
Duodecimal
9510069
16
Hexadecimal
1ad5d51
20
Vigesimal
8fh71d
36
Base36
gr429
md5
1be57faf339d4db3e9b4fd72e97125b4
sha1
92d802847cb2887952852f5cbc20edb775ff7db5
sha256
8be8ecf084d773899b71081ac47bf889d9ca7a770dd5e09dd1a65bebee4d5b21
sha512
de19ffa8ed88b4b9851144de27cc50a0ba1516db2df9a0b333fc5bdcbda291d2dbd2c6ddb89a8c0798738d8f4e3fdb8c18d0485c9424cf4caad3903e75324043
ripemd-160
12f48f51a95bda3057c06899c08c6035e055d0ac
Diameter
56277666
Circumference
176801502.06678
Area
2.4874939704031E+15
Volume
9.3326903228908E+22
Surface area
9.9499758816126E+15
Circumference
176801502.06678
Perimeter
112555332
Area
791793922601889
Diagonal
39794319.257952
Surface area
4750763535611334
Volume
2.2280156958509E+22
Space diagonal
48737888.421696
Perimeter
84416499
Area
3.4285682576768E+14
Altitude
24368944.210848
Surface area
3.4285682576768E+14
Volume
2.6257416785438E+21
Height
13264773.085984