20454788 is an even 8-digits composite number following 20454787
and preceding 20454789 . In scientific notation, it is written as 2.0454788 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 10189920 positive integers (up to 20454788) that are relatively prime to 20454788.
20454788 has 12 divisors, whose sum is 35927052
The reverse of 20454788 is 88745402
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred fifty-four thousand seven hundred eighty-eight
Scientific notation
2.0454788 × 10^7
Engineering notation
2.0454788 × 10^6
Prime Factorization
2 × 2 × 277 × 18461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10227394
Product of the distinct prime numbers
The prime factorization of 20454788 is 2 × 2 × 277 × 18461.
Since it has a total of 4 prime factors.
5 , 7 , 11 , 98 , 172 , 517 , 5123 , 8999 , 38324 , 19804 , 973978 , 272987 , 915259 , 8502344 , 94904055 , 83141999 , 775837414 , 317008235 , 3947762770 , 2799529433
n×2
40909576
n×3
61364364
n×4
81819152
n×5
102273940
n÷2
10227394
n÷3
6818262.6666667
n÷3
5113697
n÷5
4090957.6
n2
418398352124944
n3
8.5582495922651E+21
n4
1.7505718106087E+29
n5
3.5807575264777E+36
2 √n
4522.6969829959
3 √n
273.48383475807
4 √n
67.250999866142
5 √n
28.984045082409
1 , 2 , 4 , 277 , 554 , 1108 , 18461 , 36922 , 73844 , 5113697 , 10227394 , 20454788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20454787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20454788 can be divided by 12 positive divisors.
The sum of these divisors (counting 20454788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000001110110000100
3
Ternary
1102111012200202
4
Quaternary
1032001312010
5
Quinary
20214023123
6
Senary
2010230032
8
Octal
116016604
10
Decimal
20454788
12
Duodecimal
6a25318
16
Hexadecimal
1381d84
20
Vigesimal
67ggj8
36
Base36
c6f0k
md5
d8bf27a9f8144f57988124b6d0b653fe
sha1
dbc4d015186964e6626c068e3acbd82c3753b13d
sha256
2b03a7fba48e3a790107e0f85f0dbd73b5dc234814edfc810d642d3feda7a646
sha512
19bc8a0c89ba840f136127a96e63db6e940e2e4ea539f9f6522d1f86a4fd3e78d83ce36b68e8edfba8e67781561a44005b69ddbfa187cef4ff88a6c3bf956c43
ripemd-160
1cdeab599c364a89b6707f372eb74aa2facbd77a
Diameter
40909576
Circumference
128521223.42307
Area
1.3144371893098E+15
Volume
3.5848712062197E+22
Surface area
5.2577487572392E+15
Circumference
128521223.42307
Perimeter
81819152
Area
418398352124944
Diagonal
28927438.605066
Surface area
2510390112749664
Volume
8.5582495922651E+21
Space diagonal
35428732.07405
Perimeter
61364364
Area
1.8117180092087E+14
Altitude
17714366.037025
Surface area
1.8117180092087E+14
Volume
1.0085993869629E+21
Height
9642479.5350221