20393445 is an odd 8-digits composite number following 20393444
and preceding 20393446 . In scientific notation, it is written as 2.0393445 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10876496 positive integers (up to 20393445) that are relatively prime to 20393445.
20393445 has 4 divisors, whose sum is 21753024
The reverse of 20393445 is 54439302
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred ninety-three thousand four hundred forty-five
Scientific notation
2.0393445 × 10^7
Engineering notation
2.0393445 × 10^6
Prime Factorization
15 × 1359563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20393445
Product of the distinct prime numbers
The prime factorization of 20393445 is 15 × 1359563.
Since it has a total of 2 prime factors.
2 , 4 , 36 , 44 , 618 , 196 , 6349 , 6175 , 57667 , 68910 , 270755 , 34173 , 497725 , 7805319 , 4099786 , 73015470 , 521100701 , 623407452 , 1715157958 , 5365218858
n×2
40786890
n×3
61180335
n×4
81573780
n×5
101967225
n÷2
10196722.5
n÷3
6797815
n÷3
5098361.25
n÷5
4078689
n2
415892598968025
n3
8.4814828429615E+21
n4
1.7296665387638E+29
n5
3.527385942662E+36
2 √n
4515.9102072561
3 √n
273.21017238701
4 √n
67.200522373387
5 √n
28.966639818249
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20393444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20393445 can be divided by 4 positive divisors.
The sum of these divisors (counting 20393445) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010110111100101
3
Ternary
1102101002112210
4
Quaternary
1031302313211
5
Quinary
20210042240
6
Senary
2005034033
8
Octal
115626745
10
Decimal
20393445
12
Duodecimal
69b5919
16
Hexadecimal
1372de5
20
Vigesimal
6793c5
36
Base36
c53ol
md5
f9ca41a26d3f4371a0322ecd2f0faa88
sha1
8b59b2cacf694b73dd2d760c713e02f7686578bc
sha256
15dbbd39ea0e69aa931f26e393e0d5acf09ba056a5d03b91e0cada06a8036b37
sha512
940ea715849d634719b5dbc4a5624376790cd720eb228d37182dd9f6aff30a496e199661c63ee3e6cc4179ab51bb693d7a41066ace2ef783c12af23568dde745
ripemd-160
3b0346a466edaa88830c998336fc606277f89752
Diameter
40786890
Circumference
128135793.98677
Area
1.3065651336003E+15
Volume
3.5527152254661E+22
Surface area
5.2262605344013E+15
Circumference
128135793.98677
Perimeter
81573780
Area
415892598968025
Diagonal
28840686.50251
Surface area
2495355593808150
Volume
8.4814828429615E+21
Space diagonal
35322482.881361
Perimeter
61180335
Area
1.8008677797612E+14
Altitude
17661241.440681
Surface area
1.8008677797612E+14
Volume
9.995523387959E+20
Height
9613562.1675033