20512395 is an odd 8-digits composite number following 20512394
and preceding 20512396 . In scientific notation, it is written as 2.0512395 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 10939920 positive integers (up to 20512395) that are relatively prime to 20512395.
20512395 has 4 divisors, whose sum is 20968272
The reverse of 20512395 is 59321502
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred twelve thousand three hundred ninety-five
Scientific notation
2.0512395 × 10^7
Engineering notation
2.0512395 × 10^6
Prime Factorization
45 × 455831
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20512395
Product of the distinct prime numbers
The prime factorization of 20512395 is 45 × 455831.
Since it has a total of 2 prime factors.
1 , 5 , 86 , 48 , 374 , 122 , 3330 , 3719 , 8951 , 69972 , 67546 , 433483 , 3210561 , 330503 , 16422271 , 7253304 , 489631134 , 499207972 , 7653900042 , 2608268815
n×2
41024790
n×3
61537185
n×4
82049580
n×5
102561975
n÷2
10256197.5
n÷3
6837465
n÷3
5128098.75
n÷5
4102479
n2
420758348636025
n3
8.6307614467699E+21
n4
1.7703758794691E+29
n5
3.6314649338144E+36
2 √n
4529.0611609913
3 √n
273.74033242897
4 √n
67.298299837301
5 √n
29.000352326649
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512394
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512395 can be divided by 4 positive divisors.
The sum of these divisors (counting 20512395) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111111010001011
3
Ternary
1102121010201100
4
Quaternary
1032033322023
5
Quinary
20222344040
6
Senary
2011352443
8
Octal
116177213
10
Decimal
20512395
12
Duodecimal
6a52723
16
Hexadecimal
138fe8b
20
Vigesimal
6840jf
36
Base36
c7ngr
md5
fb8e672d059f94e63210c5abc80321bb
sha1
b2e45477773057f703042abab46a1d5bcfe172e4
sha256
7ce0e3e7c2d8e3480b10ef0cb51ca41949a77c74d40fb99d01eea460495990b1
sha512
7688ef5e36b0caaabd5a9038ff3fc23cac55db6a24916bc071a07472fa95b70ff401ba02c81a304ade08c7e78c1854584342f0612a4d9fd350fcfee88038a777
ripemd-160
13f5b7627f6de074691699f545ea32d2a5ad60bb
Diameter
41024790
Circumference
128883178.87906
Area
1.3218513370115E+15
Volume
3.6152449008078E+22
Surface area
5.287405348046E+15
Circumference
128883178.87906
Perimeter
82049580
Area
420758348636025
Diagonal
29008907.205754
Surface area
2524550091816150
Volume
8.6307614467699E+21
Space diagonal
35528510.324922
Perimeter
61537185
Area
1.8219370938659E+14
Altitude
17764255.162461
Surface area
1.8219370938659E+14
Volume
1.0171449909691E+21
Height
9669635.7352514