20455540 is an even 8-digits composite number following 20455539
and preceding 20455541 . In scientific notation, it is written as 2.0455540 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 36 positive divisors.
There are 7012992 positive integers (up to 20455540) that are relatively prime to 20455540.
20455540 has 36 divisors, whose sum is 49972356
The reverse of 20455540 is 04555402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred fifty-five thousand five hundred forty
Scientific notation
2.0455540 × 10^7
Engineering notation
2.0455540 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 5 × 20873
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1461110
Product of the distinct prime numbers
The prime factorization of 20455540 is 2 × 2 × 7 × 7 × 5 × 20873.
Since it has a total of 6 prime factors.
2 , 8 , 79 , 14 , 319 , 542 , 3249 , 1660 , 92472 , 53619 , 952904 , 969786 , 6300004 , 9898217 , 94778527 , 19756939 , 193005929 , 87504471 , 1586517526 , 787926967
n×2
40911080
n×3
61366620
n×4
81822160
n×5
102277700
n÷2
10227770
n÷3
6818513.3333333
n÷3
5113885
n÷5
4091108
n2
418429116691600
n3
8.5591935336497E+21
n4
1.7508292569531E+29
n5
3.5814157898775E+36
2 √n
4522.780118467
3 √n
273.48718617101
4 √n
67.251617961704
5 √n
28.984258193211
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 49 , 70 , 98 , 140 , 196 , 245 , 490 , 980 , 20873 , 41746 , 83492 , 104365 , 146111 , 208730 , 292222 , 417460 , 584444 , 730555 , 1022777 , 1461110 , 2045554 , 2922220 , 4091108 , 5113885 , 10227770 , 20455540
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20455539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455540 can be divided by 36 positive divisors.
The sum of these divisors (counting 20455540) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001110000010000001110100
3
Ternary
1102111020201121
4
Quaternary
1032002001310
5
Quinary
20214034130
6
Senary
2010233324
8
Octal
116020164
10
Decimal
20455540
12
Duodecimal
6a25844
16
Hexadecimal
1382074
20
Vigesimal
67gih0
36
Base36
c6flg
md5
0642b7ba19ed3d2c25671b7985624427
sha1
f82a41777629221ffbaee416683b18305735cd85
sha256
8a08648df6d36ce5bc99a3ff6a5baba19b02997bff9ed7a1fc72c5258b783068
sha512
195e5f9f594bb399a120fb6bb4aca9283bd5935b8379fee4bc44fee0b36a6cfa38284cf4e47bfe0d738519f0c0e9dae910af5655ffbd8bbf427104018b271bfb
ripemd-160
02152f4afc4b7853458d45df563084aa475bf802
Diameter
40911080
Circumference
128525948.37842
Area
1.3145338390464E+15
Volume
3.5852666034623E+22
Surface area
5.2581353561856E+15
Circumference
128525948.37842
Perimeter
81822160
Area
418429116691600
Diagonal
28928502.093665
Surface area
2510574700149600
Volume
8.5591935336497E+21
Space diagonal
35430034.576257
Perimeter
61366620
Area
1.81185122369E+14
Altitude
17715017.288129
Surface area
1.81185122369E+14
Volume
1.008710631522E+21
Height
9642834.0312218