20454489 is an odd 8-digits composite number following 20454488
and preceding 20454490 . In scientific notation, it is written as 2.0454489 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12337920 positive integers (up to 20454489) that are relatively prime to 20454489.
20454489 has 16 divisors, whose sum is 24911040
The reverse of 20454489 is 98445402
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-four thousand four hundred eighty-nine
Scientific notation
2.0454489 × 10^7
Engineering notation
2.0454489 × 10^6
Prime Factorization
9 × 11 × 673 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20454489
Product of the distinct prime numbers
The prime factorization of 20454489 is 9 × 11 × 673 × 307.
Since it has a total of 4 prime factors.
9 , 4 , 57 , 74 , 733 , 309 , 6113 , 9443 , 4241 , 86941 , 954056 , 526675 , 3344732 , 8965259 , 43853019 , 91052657 , 170309503 , 954647704 , 3661699446 , 4991905080
n×2
40908978
n×3
61363467
n×4
81817956
n×5
102272445
n÷2
10227244.5
n÷3
6818163
n÷3
5113622.25
n÷5
4090897.8
n2
418386120251121
n3
8.5578742944292E+21
n4
1.7504694561879E+29
n5
3.580495823643E+36
2 √n
4522.6639273773
3 √n
273.48250219207
4 √n
67.250754102667
5 √n
28.983960346452
1 , 9 , 11 , 99 , 307 , 673 , 2763 , 3377 , 6057 , 7403 , 30393 , 66627 , 206611 , 1859499 , 2272721 , 20454489
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20454488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20454489 can be divided by 16 positive divisors.
The sum of these divisors (counting 20454489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001110001011001
3
Ternary
1102111012021200
4
Quaternary
1032001301121
5
Quinary
20214020424
6
Senary
2010224413
8
Octal
116016131
10
Decimal
20454489
12
Duodecimal
6a25109
16
Hexadecimal
1381c59
20
Vigesimal
67gg49
36
Base36
c6es9
md5
68b65910c91b03f141dfc6b23b287629
sha1
646a84c86ab80764a7bd7afd5522dff86f4cfb2f
sha256
7d4661926bc006c2a02f477274e75015449ff78614711c562c7809b20163a64c
sha512
0f4c79f28c2583b2a9e6b8caea33b4c774c31474ada564da99b2cc7021d58e0a3a84732dc95ee672ed68951446f7a84eab9e2ebd0d77602fa63f83100dd0207d
ripemd-160
8a7b2a5729d255a336e0ed2b5bcba8d11c3fc92a
Diameter
40908978
Circumference
128519344.75067
Area
1.3143987617449E+15
Volume
3.5847140018298E+22
Surface area
5.2575950469794E+15
Circumference
128519344.75067
Perimeter
81817956
Area
418386120251121
Diagonal
28927015.755211
Surface area
2510316721506726
Volume
8.5578742944292E+21
Space diagonal
35428214.190859
Perimeter
61363467
Area
1.8116650436414E+14
Altitude
17714107.095429
Surface area
1.8116650436414E+14
Volume
1.0085551576888E+21
Height
9642338.5850704