20454645 is an odd 8-digits composite number following 20454644
and preceding 20454646 . In scientific notation, it is written as 2.0454645 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10887360 positive integers (up to 20454645) that are relatively prime to 20454645.
20454645 has 16 divisors, whose sum is 32792832
The reverse of 20454645 is 54645402
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred fifty-four thousand six hundred forty-five
Scientific notation
2.0454645 × 10^7
Engineering notation
2.0454645 × 10^6
Prime Factorization
3 × 5 × 661 × 2063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20454645
Product of the distinct prime numbers
The prime factorization of 20454645 is 3 × 5 × 661 × 2063.
Since it has a total of 4 prime factors.
6 , 10 , 15 , 37 , 694 , 108 , 5269 , 3232 , 25204 , 34322 , 794849 , 807873 , 1323095 , 2431644 , 80773247 , 62126601 , 62994267 , 653523943 , 196825316 , 6260162996
n×2
40909290
n×3
61363935
n×4
81818580
n×5
102273225
n÷2
10227322.5
n÷3
6818215
n÷3
5113661.25
n÷5
4090929
n2
418392502076025
n3
8.5580701006269E+21
n4
1.7505228579344E+29
n5
3.5806323623433E+36
2 √n
4522.6811738171
3 √n
273.48319744552
4 √n
67.250882327425
5 √n
28.98400455664
1 , 3 , 5 , 15 , 661 , 1983 , 2063 , 3305 , 6189 , 9915 , 10315 , 30945 , 1363643 , 4090929 , 6818215 , 20454645
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
-20454644
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 20454645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20454645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001110011110101
3
Ternary
1102111012111110
4
Quaternary
1032001303311
5
Quinary
20214022040
6
Senary
2010225233
8
Octal
116016365
10
Decimal
20454645
12
Duodecimal
6a25219
16
Hexadecimal
1381cf5
20
Vigesimal
67ggc5
36
Base36
c6ewl
md5
58c34efc2aa38cc6849415a85e442c4f
sha1
a80ae670ea76a61fd5341032be5b0285c03ab6c6
sha256
a0111df07850232a53e79b9dde9be69c74117282e4e342bcd28cb96377bd0ede
sha512
92740b3fa1742106ae30a5dc8a99d5db511a209e82662820fdf27aa706526510b0b95474d357ad119ad50b95b8e7f41248731e050099bc59bc26ba29ce54a331
ripemd-160
9945902aa01d49f40f987eb86e9ecb6efa1d718d
Diameter
40909290
Circumference
128520324.92757
Area
1.3144188108391E+15
Volume
3.5847960209381E+22
Surface area
5.2576752433564E+15
Circumference
128520324.92757
Perimeter
81818580
Area
418392502076025
Diagonal
28927236.372527
Surface area
2510355012456150
Volume
8.5580701006269E+21
Space diagonal
35428484.390785
Perimeter
61363935
Area
1.8116926777539E+14
Altitude
17714242.195392
Surface area
1.8116926777539E+14
Volume
1.0085782336705E+21
Height
9642412.1241757