20205380 is an even 8-digits composite number following 20205379
and preceding 20205381 . In scientific notation, it is written as 2.0205380 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 7460352 positive integers (up to 20205380) that are relatively prime to 20205380.
20205380 has 24 divisors, whose sum is 45695832
The reverse of 20205380 is 08350202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million two hundred five thousand three hundred eighty
Scientific notation
2.0205380 × 10^7
Engineering notation
2.0205380 × 10^6
Prime Factorization
2 × 2 × 13 × 5 × 77713
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10102690
Product of the distinct prime numbers
The prime factorization of 20205380 is 2 × 2 × 13 × 5 × 77713.
Since it has a total of 5 prime factors.
7 , 5 , 46 , 57 , 43 , 751 , 3450 , 6365 , 2915 , 13709 , 149976 , 210942 , 2490196 , 8950250 , 10918462 , 40866671 , 559064803 , 372184897 , 5927914490 , 5742539985
n×2
40410760
n×3
60616140
n×4
80821520
n×5
101026900
n÷2
10102690
n÷3
6735126.6666667
n÷3
5051345
n÷5
4041076
n2
408257380944400
n3
8.2489955197864E+21
n4
1.6667408909558E+29
n5
3.3677133063301E+36
2 √n
4495.0394881469
3 √n
272.36774436706
4 √n
67.045055657721
5 √n
28.913016530798
1 , 2 , 4 , 5 , 10 , 13 , 20 , 26 , 52 , 65 , 130 , 260 , 77713 , 155426 , 310852 , 388565 , 777130 , 1010269 , 1554260 , 2020538 , 4041076 , 5051345 , 10102690 , 20205380
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20205379
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20205380 can be divided by 24 positive divisors.
The sum of these divisors (counting 20205380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000100111101000100
3
Ternary
1102000112120102
4
Quaternary
1031010331010
5
Quinary
20133033010
6
Senary
2001023232
8
Octal
115047504
10
Decimal
20205380
12
Duodecimal
6924b18
16
Hexadecimal
1344f44
20
Vigesimal
665d90
36
Base36
c12kk
md5
517f73c39b41463680899892dea8990d
sha1
a60915c3b2adfe1b0993ef5c92614d7894afd649
sha256
ae29ecd2049d627c068943856d81ff14e4bc8d9ba20c01c6436c539ea13c8ca7
sha512
0fe98370d84d9d9a715077a8d6f3b7c5570f44dc7faa38b5533f6a733e9405ec36aaa830a97c6c46761f7f1a0d7ad147e77d37a30b3ba5a93dd5d919db248e7a
ripemd-160
4e5414ba1226f7b2f6b89d7fe4e12c31c4deeddd
Diameter
40410760
Circumference
126954146.74198
Area
1.2825783887487E+15
Volume
3.4553311632608E+22
Surface area
5.1303135549949E+15
Circumference
126954146.74198
Perimeter
80821520
Area
408257380944400
Diagonal
28574722.428902
Surface area
2449544285666400
Volume
8.2489955197864E+21
Space diagonal
34996744.746236
Perimeter
60616140
Area
1.7678063159018E+14
Altitude
17498372.373118
Surface area
1.7678063159018E+14
Volume
9.7215344500306E+20
Height
9524907.4763007