20512394 is an even 8-digits composite number following 20512393
and preceding 20512395 . In scientific notation, it is written as 2.0512394 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 8791020 positive integers (up to 20512394) that are relatively prime to 20512394.
20512394 has 8 divisors, whose sum is 35164128
The reverse of 20512394 is 49321502
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million five hundred twelve thousand three hundred ninety-four
Scientific notation
2.0512394 × 10^7
Engineering notation
2.0512394 × 10^6
Prime Factorization
2 × 7 × 1465171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512394
Product of the distinct prime numbers
The prime factorization of 20512394 is 2 × 7 × 1465171.
Since it has a total of 3 prime factors.
5 , 4 , 76 , 86 , 49 , 138 , 5237 , 72 , 31423 , 34018 , 618268 , 951616 , 2635668 , 4403662 , 54191783 , 84845360 , 177455096 , 350042439 , 7098774918 , 5354287510
n×2
41024788
n×3
61537182
n×4
82049576
n×5
102561970
n÷2
10256197
n÷3
6837464.6666667
n÷3
5128098.5
n÷5
4102478.8
n2
420758307611236
n3
8.6307601844949E+21
n4
1.7703755342387E+29
n5
3.6314640486265E+36
2 √n
4529.0610505932
3 √n
273.74032798059
4 √n
67.298299017086
5 √n
29.00035204389
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512394 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512394) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111111010001010
3
Ternary
1102121010201022
4
Quaternary
1032033322022
5
Quinary
20222344034
6
Senary
2011352442
8
Octal
116177212
10
Decimal
20512394
12
Duodecimal
6a52722
16
Hexadecimal
138fe8a
20
Vigesimal
6840je
36
Base36
c7ngq
md5
10b114ebda2b98f83dd0ee921ec2a62e
sha1
2267ea4c73256395255897fcdeadbdad9b874450
sha256
e3b57edc7ffb47d10fe476165bad5c59cf680f738b980a078cafdeaaafec4612
sha512
0e141d3cb2bd57534f4d305c5bd39d7ab35978470db80af11f3c7a49c615440789ede867c906394efc91832307a6109a245a465aceb137e87d6218190bcc8c57
ripemd-160
24bfb29efcc21d31c96f8391419f833905b33f63
Diameter
41024788
Circumference
128883172.59588
Area
1.3218512081283E+15
Volume
3.6152443720673E+22
Surface area
5.2874048325133E+15
Circumference
128883172.59588
Perimeter
82049576
Area
420758307611236
Diagonal
29008905.791541
Surface area
2524549845667416
Volume
8.6307601844949E+21
Space diagonal
35528508.592871
Perimeter
61537182
Area
1.8219369162234E+14
Altitude
17764254.296435
Surface area
1.8219369162234E+14
Volume
1.0171448422085E+21
Height
9669635.2638468