20042545 is an odd 8-digits composite number following 20042544
and preceding 20042546 . In scientific notation, it is written as 2.0042545 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 15263424 positive integers (up to 20042545) that are relatively prime to 20042545.
20042545 has 16 divisors, whose sum is 25217280
The reverse of 20042545 is 54524002
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million forty-two thousand five hundred forty-five
Scientific notation
2.0042545 × 10^7
Engineering notation
2.0042545 × 10^6
Prime Factorization
5 × 23 × 397 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20042545
Product of the distinct prime numbers
The prime factorization of 20042545 is 5 × 23 × 397 × 439.
Since it has a total of 4 prime factors.
6 , 4 , 10 , 68 , 834 , 860 , 4688 , 2436 , 18161 , 26446 , 807755 , 485679 , 7384280 , 1058696 , 37919704 , 79109463 , 729492937 , 206843799 , 52707889 , 5034134665
n×2
40085090
n×3
60127635
n×4
80170180
n×5
100212725
n÷2
10021272.5
n÷3
6680848.3333333
n÷3
5010636.25
n÷5
4008509
n2
401703610077025
n3
8.0511626816312E+21
n4
1.6136579034891E+29
n5
3.2341811145287E+36
2 √n
4476.8901036322
3 √n
271.63410016903
4 √n
66.909566607715
5 √n
28.866263619364
1 , 5 , 23 , 115 , 397 , 439 , 1985 , 2195 , 9131 , 10097 , 45655 , 50485 , 174283 , 871415 , 4008509 , 20042545
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
-20042544
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 20042545 can be divided by 16 positive divisors.
The sum of these divisors (counting 20042545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011101001100110001
3
Ternary
1101201021012111
4
Quaternary
1030131030301
5
Quinary
20112330140
6
Senary
1553325321
8
Octal
114351461
10
Decimal
20042545
12
Duodecimal
6866841
16
Hexadecimal
131d331
20
Vigesimal
655675
36
Base36
bxkxd
md5
5ac5b2b992a7df56d16fcd1bbe8139e4
sha1
d885772f08dc70dbd98812e49fc5fc1abc62c3c5
sha256
37eb093e6fffabedb44a504b0c14f82d83f576c9c13c45bfd6d9545e0b1f27d8
sha512
f085efd39c853df83b320a5b2666341873b8405da5c65dd791f68cc47eddcbd8277e30ec4ad2f08ebacd9be33cd75bb3eb24f27b9604cff7e7c4ca3d752ddd62
ripemd-160
91a55789a0fd12a139eb9cede6613541534cda1d
Diameter
40085090
Circumference
125931024.26249
Area
1.2619891103385E+15
Volume
3.3724631377959E+22
Surface area
5.0479564413539E+15
Circumference
125931024.26249
Perimeter
80170180
Area
401703610077025
Diagonal
28344438.963473
Surface area
2410221660462150
Volume
8.0511626816312E+21
Space diagonal
34714706.252986
Perimeter
60127635
Area
1.7394276555931E+14
Altitude
17357353.126493
Surface area
1.7394276555931E+14
Volume
9.4883862143625E+20
Height
9448146.3211577