20454894 is an even 8-digits composite number following 20454893
and preceding 20454895 . In scientific notation, it is written as 2.0454894 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 6818292 positive integers (up to 20454894) that are relatively prime to 20454894.
20454894 has 8 divisors, whose sum is 34091520
The reverse of 20454894 is 49845402
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-four thousand eight hundred ninety-four
Scientific notation
2.0454894 × 10^7
Engineering notation
2.0454894 × 10^6
Prime Factorization
2 × 9 × 1136383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20454894
Product of the distinct prime numbers
The prime factorization of 20454894 is 2 × 9 × 1136383.
Since it has a total of 3 prime factors.
5 , 6 , 29 , 45 , 235 , 818 , 9368 , 4386 , 23223 , 54517 , 674539 , 194714 , 5862735 , 9752211 , 20970681 , 49730366 , 643082256 , 333337999 , 9644723509 , 818996350
n×2
40909788
n×3
61364682
n×4
81819576
n×5
102274470
n÷2
10227447
n÷3
6818298
n÷3
5113723.5
n÷5
4090978.8
n2
418402688551236
n3
8.5583826436305E+21
n4
1.750608097869E+29
n5
3.5808503077453E+36
2 √n
4522.7087016521
3 √n
273.48430716965
4 √n
67.251086992346
5 √n
28.984075122343
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20454893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20454894 can be divided by 8 positive divisors.
The sum of these divisors (counting 20454894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000001110111101110
3
Ternary
1102111012211200
4
Quaternary
1032001313232
5
Quinary
20214024034
6
Senary
2010230330
8
Octal
116016756
10
Decimal
20454894
12
Duodecimal
6a253a6
16
Hexadecimal
1381dee
20
Vigesimal
67gh4e
36
Base36
c6f3i
md5
ace127e43e4b39e47493df80907d005d
sha1
6a56f0369e191dec97ecfdf538bdcbed1639a149
sha256
8a145fc62784623d15841059e20b3efdda66bc8191f89d1be2cfa489cc00279f
sha512
2bbaf0ef4d6ce74685c61485da5a19c4560867fed9ed3093fcc9c51c96e874f8766c3ba17651b5d37e1cee675178d2d0affdd57b28cf445d4e4000d01d7eaf18
ripemd-160
f5f0fb832fb23e259dc14b848943c5b94c1c1888
Diameter
40909788
Circumference
128521889.44072
Area
1.3144508125948E+15
Volume
3.5849269386453E+22
Surface area
5.2578032503791E+15
Circumference
128521889.44072
Perimeter
81819576
Area
418402688551236
Diagonal
28927588.511704
Surface area
2510416131307416
Volume
8.5583826436305E+21
Space diagonal
35428915.671436
Perimeter
61364682
Area
1.8117367864854E+14
Altitude
17714457.835718
Surface area
1.8117367864854E+14
Volume
1.0086150672167E+21
Height
9642529.5039013