20455743 is an odd 8-digits composite number following 20455742
and preceding 20455744 . In scientific notation, it is written as 2.0455743 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9999360 positive integers (up to 20455743) that are relatively prime to 20455743.
20455743 has 16 divisors, whose sum is 26008320
The reverse of 20455743 is 34755402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred fifty-five thousand seven hundred forty-three
Scientific notation
2.0455743 × 10^7
Engineering notation
2.0455743 × 10^6
Prime Factorization
51 × 7 × 11 × 5209
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20455743
Product of the distinct prime numbers
The prime factorization of 20455743 is 51 × 7 × 11 × 5209.
Since it has a total of 4 prime factors.
3 , 5 , 28 , 21 , 746 , 271 , 2140 , 740 , 22088 , 93621 , 186751 , 822970 , 4314858 , 5110372 , 42084458 , 68008486 , 231706557 , 798840825 , 6747367161 , 7388412846
n×2
40911486
n×3
61367229
n×4
81822972
n×5
102278715
n÷2
10227871.5
n÷3
6818581
n÷3
5113935.75
n÷5
4091148.6
n2
418437421682049
n3
8.5594483595106E+21
n4
1.7508987586392E+29
n5
3.5815935025743E+36
2 √n
4522.8025603601
3 √n
273.48809086016
4 √n
67.251784811707
5 √n
28.984315720718
1 , 7 , 11 , 51 , 77 , 357 , 561 , 3927 , 5209 , 36463 , 57299 , 265659 , 401093 , 1859613 , 2922249 , 20455743
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
-20455742
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 20455743 can be divided by 16 positive divisors.
The sum of these divisors (counting 20455743) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010000100111111
3
Ternary
1102111021000010
4
Quaternary
1032002010333
5
Quinary
20214040433
6
Senary
2010234303
8
Octal
116020477
10
Decimal
20455743
12
Duodecimal
6a25993
16
Hexadecimal
138213f
20
Vigesimal
67gj73
36
Base36
c6fr3
md5
74211eba504f9fdf69323c38bf79665e
sha1
10e591e8edfc0e682d519be317b5bd5567273f8f
sha256
6e5ac1dd2f39ce1859556a39cf487b38dfe7e0b48e22a96a7703e0a0afea2441
sha512
8afb3023d164e833b8f1221968b04fc115b7dc367b7e440084563192b1f747fcaaefe630115be19c7d569c4d2e21578fe2b302caf4fd8c34f2ec4d3d023dbc59
ripemd-160
9771e50ffb6f7cebba436441b67e1f8882393e75
Diameter
40911486
Circumference
128527223.86504
Area
1.3145599299434E+15
Volume
3.5853733446693E+22
Surface area
5.2582397197735E+15
Circumference
128527223.86504
Perimeter
81822972
Area
418437421682049
Diagonal
28928789.179019
Surface area
2510624530092294
Volume
8.5594483595106E+21
Space diagonal
35430386.182571
Perimeter
61367229
Area
1.8118871853536E+14
Altitude
17715193.091286
Surface area
1.8118871853536E+14
Volume
1.0087406630377E+21
Height
9642929.7263395