20505590 is an even 8-digits composite number following 20505589
and preceding 20505591 . In scientific notation, it is written as 2.0505590 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors.
There are 7004160 positive integers (up to 20505590) that are relatively prime to 20505590.
20505590 has 32 divisors, whose sum is 42341184
The reverse of 20505590 is 09550502
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million five hundred five thousand five hundred ninety
Scientific notation
2.0505590 × 10^7
Engineering notation
2.0505590 × 10^6
Prime Factorization
2 × 7 × 5 × 457 × 641
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20505590
Product of the distinct prime numbers
The prime factorization of 20505590 is 2 × 7 × 5 × 457 × 641.
Since it has a total of 5 prime factors.
9 , 10 , 58 , 67 , 419 , 391 , 7736 , 1293 , 15196 , 83047 , 313985 , 31026 , 2068618 , 5217943 , 34249395 , 65097915 , 869979200 , 358803563 , 6254095503 , 1090294146
n×2
41011180
n×3
61516770
n×4
82022360
n×5
102527950
n÷2
10252795
n÷3
6835196.6666667
n÷3
5126397.5
n÷5
4101118
n2
420479221248100
n3
8.6221745144328E+21
n4
1.7680277550141E+29
n5
3.6254452252939E+36
2 √n
4528.3098392226
3 √n
273.71005790478
4 √n
67.292717579413
5 √n
28.998427894219
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 457 , 641 , 914 , 1282 , 2285 , 3199 , 3205 , 4487 , 4570 , 6398 , 6410 , 8974 , 15995 , 22435 , 31990 , 44870 , 292937 , 585874 , 1464685 , 2050559 , 2929370 , 4101118 , 10252795 , 20505590
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20505589
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20505590 can be divided by 32 positive divisors.
The sum of these divisors (counting 20505590) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001110001111110110
3
Ternary
1102120210101022
4
Quaternary
1032032033312
5
Quinary
20222134330
6
Senary
2011301142
8
Octal
116161766
10
Decimal
20505590
12
Duodecimal
6a4a7b2
16
Hexadecimal
138e3f6
20
Vigesimal
6833ja
36
Base36
c7i7q
md5
f787abb0cc00ef60b78079e747be77b3
sha1
62bea19a441ad547c905f06357a89f8982057039
sha256
1d197ef890e86102e244c771696153fb4479049072dd09a9ee6087301815ec90
sha512
5d6a3c79eb530549ce2ab599fb2c9bd426e9098f03c8942e5c8281d0324ea1838fe6962362877fdaa8d1700a4a98e1a70f111609b8ac1fb0bd2042a736458eac
ripemd-160
06c9a5e4f946d3f47dacf281ecfe88efe465c1f5
Diameter
41011180
Circumference
128840421.80305
Area
1.3209744324602E+15
Volume
3.6116480150015E+22
Surface area
5.2838977298408E+15
Circumference
128840421.80305
Perimeter
82022360
Area
420479221248100
Diagonal
28999283.482462
Surface area
2522875327488600
Volume
8.6221745144328E+21
Space diagonal
35516723.719176
Perimeter
61516770
Area
1.8207284368218E+14
Altitude
17758361.859588
Surface area
1.8207284368218E+14
Volume
1.0161330112882E+21
Height
9666427.8274874