20778960 is an even 8-digits composite number following 20778959
and preceding 20778961 . In scientific notation, it is written as 2.0778960 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 5540992 positive integers (up to 20778960) that are relatively prime to 20778960.
20778960 has 20 divisors, whose sum is 42943680
The reverse of 20778960 is 06987702
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred seventy-eight thousand nine hundred sixty
Scientific notation
2.0778960 × 10^7
Engineering notation
2.0778960 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 86579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2597370
Product of the distinct prime numbers
The prime factorization of 20778960 is 2 × 2 × 2 × 2 × 15 × 86579.
Since it has a total of 6 prime factors.
7 , 7 , 21 , 95 , 441 , 563 , 6090 , 435 , 17704 , 8158 , 216741 , 386657 , 2666801 , 9492092 , 79352632 , 46962244 , 637312720 , 353896891 , 6853049432 , 4637101938
n×2
41557920
n×3
62336880
n×4
83115840
n×5
103894800
n÷2
10389480
n÷3
6926320
n÷3
5194740
n÷5
4155792
n2
431765178681600
n3
8.9716313772178E+21
n4
1.8642116952195E+29
n5
3.8736380246499E+36
2 √n
4558.3944541911
3 √n
274.92101312784
4 √n
67.515882977201
5 √n
29.075337284959
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 86579 , 173158 , 346316 , 692632 , 1298685 , 1385264 , 2597370 , 5194740 , 10389480 , 20778960
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20778959
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20778960 can be divided by 20 positive divisors.
The sum of these divisors (counting 20778960) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010000111111010000
3
Ternary
1110002200101010
4
Quaternary
1033100333100
5
Quinary
20304411320
6
Senary
2021210520
8
Octal
117207720
10
Decimal
20778960
12
Duodecimal
6b60a40
16
Hexadecimal
13d0fd0
20
Vigesimal
69h780
36
Base36
cdd5c
md5
51e9ec470178f794974b59f701a194e1
sha1
7d288e05f27217ba667d66bad14e83a4c745d9cc
sha256
f51e907d223888d36129c35d3d9257ef7562f2592be8c9e96f1314d4ef26deec
sha512
6a5cc0a38fd04a7bb80d14e4dc23b3bb778e38a8cf57a758af141fdd9e229ef559ec8e6f33ecdb45cf05c0ed35f49317c65c67222572b652a91432dc9bd922ab
ripemd-160
976fc88df477499545d9ffb216ed29e0589dc344
Diameter
41557920
Circumference
130558056.17047
Area
1.356430313422E+15
Volume
3.7580281633844E+22
Surface area
5.425721253688E+15
Circumference
130558056.17047
Perimeter
83115840
Area
431765178681600
Diagonal
29385887.044008
Surface area
2590591072089600
Volume
8.9716313772178E+21
Space diagonal
35990214.448441
Perimeter
62336880
Area
1.869598066039E+14
Altitude
17995107.224221
Surface area
1.869598066039E+14
Volume
1.0573168975228E+21
Height
9795295.681336