20778828 is an even 8-digits composite number following 20778827
and preceding 20778829 . In scientific notation, it is written as 2.0778828 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 5587200 positive integers (up to 20778828) that are relatively prime to 20778828.
20778828 has 24 divisors, whose sum is 40338144
The reverse of 20778828 is 82887702
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred seventy-eight thousand eight hundred twenty-eight
Scientific notation
2.0778828 × 10^7
Engineering notation
2.0778828 × 10^6
Prime Factorization
2 × 2 × 21 × 17 × 14551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10389414
Product of the distinct prime numbers
The prime factorization of 20778828 is 2 × 2 × 21 × 17 × 14551.
Since it has a total of 5 prime factors.
10 , 7 , 95 , 39 , 558 , 375 , 5807 , 7579 , 76531 , 14081 , 175757 , 287622 , 9950152 , 7287881 , 60738709 , 63997871 , 954342592 , 320667482 , 3486313829 , 6929885192
n×2
41557656
n×3
62336484
n×4
83115312
n×5
103894140
n÷2
10389414
n÷3
6926276
n÷3
5194707
n÷5
4155765.6
n2
431759693053584
n3
8.9714603992932E+21
n4
1.8641643254573E+29
n5
3.8735149882412E+36
2 √n
4558.379975386
3 √n
274.92043097406
4 √n
67.515775751938
5 √n
29.075300344186
1 , 2 , 4 , 17 , 21 , 34 , 42 , 68 , 84 , 357 , 714 , 1428 , 14551 , 29102 , 58204 , 247367 , 305571 , 494734 , 611142 , 989468 , 1222284 , 5194707 , 10389414 , 20778828
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
-20778827
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 20778828 can be divided by 24 positive divisors.
The sum of these divisors (counting 20778828) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010000111101001100
3
Ternary
1110002200012020
4
Quaternary
1033100331030
5
Quinary
20304410303
6
Senary
2021210140
8
Octal
117207514
10
Decimal
20778828
12
Duodecimal
6b60950
16
Hexadecimal
13d0f4c
20
Vigesimal
69h718
36
Base36
cdd1o
md5
41818fbd99b00861f82843bf1eb1c08e
sha1
9ce1f331acb3f5c2478e23c7ec047ca2009da354
sha256
1355aad33a2b53acb828bd5320601a4442af176317a1cc1c83eac3988315c37a
sha512
170d6f742dde31d348460e0d40a5b3aa2f475594c54ab2d211c78b972711ecec05595059a7cf2d99fa4121cdd1c7daa1509b2a0be51356474f9db25c85833ef0
ripemd-160
76e7e97bb9e727c3e876916148581b51cc4d74a7
Diameter
41557656
Circumference
130557226.79001
Area
1.3564130798133E+15
Volume
3.7579565443188E+22
Surface area
5.4256523192533E+15
Circumference
130557226.79001
Perimeter
83115312
Area
431759693053584
Diagonal
29385700.367818
Surface area
2590558158321504
Volume
8.9714603992932E+21
Space diagonal
35989985.817735
Perimeter
62336484
Area
1.8695743125729E+14
Altitude
17994992.908867
Surface area
1.8695743125729E+14
Volume
1.0572967475811E+21
Height
9795233.4559393