20454490 is an even 8-digits composite number following 20454489
and preceding 20454491 . In scientific notation, it is written as 2.0454490 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 6840960 positive integers (up to 20454490) that are relatively prime to 20454490.
20454490 has 32 divisors, whose sum is 43110144
The reverse of 20454490 is 09445402
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred fifty-four thousand four hundred ninety
Scientific notation
2.0454490 × 10^7
Engineering notation
2.0454490 × 10^6
Prime Factorization
2 × 5 × 7 × 41 × 7127
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20454490
Product of the distinct prime numbers
The prime factorization of 20454490 is 2 × 5 × 7 × 41 × 7127.
Since it has a total of 5 prime factors.
7 , 8 , 71 , 56 , 519 , 203 , 6398 , 4026 , 66440 , 68396 , 557191 , 152925 , 9342723 , 3466171 , 3707516 , 46456232 , 655284807 , 499656471 , 6232637324 , 9203231851
n×2
40908980
n×3
61363470
n×4
81817960
n×5
102272450
n÷2
10227245
n÷3
6818163.3333333
n÷3
5113622.5
n÷5
4090898
n2
418386161160100
n3
8.5578755495877E+21
n4
1.7504697985029E+29
n5
3.5804966988779E+36
2 √n
4522.6640379316
3 √n
273.48250664883
4 √n
67.250754924622
5 √n
28.983960629852
1 , 2 , 5 , 7 , 10 , 14 , 35 , 41 , 70 , 82 , 205 , 287 , 410 , 574 , 1435 , 2870 , 7127 , 14254 , 35635 , 49889 , 71270 , 99778 , 249445 , 292207 , 498890 , 584414 , 1461035 , 2045449 , 2922070 , 4090898 , 10227245 , 20454490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20454489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20454490 can be divided by 32 positive divisors.
The sum of these divisors (counting 20454490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000001110001011010
3
Ternary
1102111012021201
4
Quaternary
1032001301122
5
Quinary
20214020430
6
Senary
2010224414
8
Octal
116016132
10
Decimal
20454490
12
Duodecimal
6a2510a
16
Hexadecimal
1381c5a
20
Vigesimal
67gg4a
36
Base36
c6esa
md5
bb071df199a17f2562987fb4b96625d4
sha1
4237c7c22e82200dd5be3e02da5ee5b294d1e5ac
sha256
77aad2ac8ebeff5df1bbf77f5b6cb16c855d3c2e8fedaab652e130b92404e5e2
sha512
f03c1c9ac4c3615af98218cbdb6fa190d4a7983e0265f117bac6220c37685b00cf4fa5cb89bd21de522c711d3537c73343cd84d6365ab3c3c71480ecfff4f9ce
ripemd-160
ab38b63a391886841e5af9d5363aa58114b19fa1
Diameter
40908980
Circumference
128519351.03385
Area
1.3143988902642E+15
Volume
3.5847145275894E+22
Surface area
5.2575955610568E+15
Circumference
128519351.03385
Perimeter
81817960
Area
418386161160100
Diagonal
28927017.169425
Surface area
2510316966960600
Volume
8.5578755495877E+21
Space diagonal
35428215.92291
Perimeter
61363470
Area
1.8116652207825E+14
Altitude
17714107.961455
Surface area
1.8116652207825E+14
Volume
1.0085553056107E+21
Height
9642339.056475