20492745 is an odd 8-digits composite number following 20492744
and preceding 20492746 . In scientific notation, it is written as 2.0492745 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 8646912 positive integers (up to 20492745) that are relatively prime to 20492745.
20492745 has 16 divisors, whose sum is 26905088
The reverse of 20492745 is 54729402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred ninety-two thousand seven hundred forty-five
Scientific notation
2.0492745 × 10^7
Engineering notation
2.0492745 × 10^6
Prime Factorization
15 × 7 × 13 × 15013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20492745
Product of the distinct prime numbers
The prime factorization of 20492745 is 15 × 7 × 13 × 15013.
Since it has a total of 4 prime factors.
1 , 1 , 43 , 52 , 642 , 545 , 2149 , 5160 , 43164 , 17002 , 787355 , 128355 , 2731526 , 6312411 , 91018552 , 92383892 , 162911255 , 746880419 , 4964445290 , 6182793055
n×2
40985490
n×3
61478235
n×4
81970980
n×5
102463725
n÷2
10246372.5
n÷3
6830915
n÷3
5123186.25
n÷5
4098549
n2
419952597635025
n3
8.6059814954222E+21
n4
1.7636018426041E+29
n5
3.6141042842015E+36
2 √n
4526.8913174495
3 √n
273.65289397913
4 √n
67.282176818601
5 √n
28.994793976118
1 , 7 , 13 , 15 , 91 , 105 , 195 , 1365 , 15013 , 105091 , 195169 , 225195 , 1366183 , 1576365 , 2927535 , 20492745
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
-20492744
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 20492745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20492745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001011000111001001
3
Ternary
1102120010202120
4
Quaternary
1032023013021
5
Quinary
20221231440
6
Senary
2011121453
8
Octal
116130711
10
Decimal
20492745
12
Duodecimal
6a43289
16
Hexadecimal
138b1c9
20
Vigesimal
681bh5
36
Base36
c78ax
md5
c3fa1a67ff1ec0a899cafdcc5e987c25
sha1
8c6fa1b4897e19ca7517ce6890bcbfc3154c4fd6
sha256
70bb3cd8efdb924e4336110fd909eeb9ec548fde62e7f35750c5ed3ff4e832a1
sha512
09ce243bf2cb519c6732d5133de02545ea93ab55306fbfbd03023aba533dc9ae1452cd7c30f90fd5330ad809eb2cea7d46db2d147071cc9005267822afd3c76a
ripemd-160
5bfabe79e0185330bc4e145cea7424de4f6052ae
Diameter
40985490
Circumference
128759714.28778
Area
1.3193199955861E+15
Volume
3.6048650990597E+22
Surface area
5.2772799823446E+15
Circumference
128759714.28778
Perimeter
81970980
Area
419952597635025
Diagonal
28981117.909253
Surface area
2519715585810150
Volume
8.6059814954222E+21
Space diagonal
35494475.526553
Perimeter
61478235
Area
1.818448089686E+14
Altitude
17747237.763277
Surface area
1.818448089686E+14
Volume
1.0142246456965E+21
Height
9660372.6364178