20797309 is an odd 8-digits composite number following 20797308
and preceding 20797310 . In scientific notation, it is written as 2.0797309 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 19004544 positive integers (up to 20797309) that are relatively prime to 20797309.
20797309 has 12 divisors, whose sum is 22746900
The reverse of 20797309 is 90379702
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred ninety-seven thousand three hundred nine
Scientific notation
2.0797309 × 10^7
Engineering notation
2.0797309 × 10^6
Prime Factorization
13 × 13 × 109 × 1129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1599793
Product of the distinct prime numbers
The prime factorization of 20797309 is 13 × 13 × 109 × 1129.
Since it has a total of 4 prime factors.
10 , 3 , 31 , 1 , 289 , 718 , 3571 , 1034 , 96505 , 25127 , 309122 , 720276 , 5102205 , 9580729 , 21022236 , 66959677 , 633709208 , 599079682 , 3856531655 , 6839169419
n×2
41594618
n×3
62391927
n×4
83189236
n×5
103986545
n÷2
10398654.5
n÷3
6932436.3333333
n÷3
5199327.25
n÷5
4159461.8
n2
432528061641481
n3
8.9954197491289E+21
n4
1.8708052410734E+29
n5
3.8907714677422E+36
2 √n
4560.4066704626
3 √n
275.00191293435
4 √n
67.530783132307
5 √n
29.080470506431
1 , 13 , 109 , 169 , 1129 , 1417 , 14677 , 18421 , 123061 , 190801 , 1599793 , 20797309
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797308
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797309 can be divided by 12 positive divisors.
The sum of these divisors (counting 20797309) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010101011101111101
3
Ternary
1110010121112201
4
Quaternary
1033111131331
5
Quinary
20311003214
6
Senary
2021431501
8
Octal
117253575
10
Decimal
20797309
12
Duodecimal
6b6b591
16
Hexadecimal
13d577d
20
Vigesimal
69jd59
36
Base36
cdrb1
md5
a49835b2e841e9a0ff0d8ecedd5ed512
sha1
62bfbca7127b432a07261f6e6d613bdd43bd7103
sha256
a0d47d760b7ba0240952b2ffdbc028e0a09fce1f9669636eb75854a6f7e93b4f
sha512
addd5a0f8771f134418effefbfd29a14085fda716f7e46e336243653f9999b0d64d3e29fe5156e7fd8a2adad2a8cf7870a4a1243ec5d17f88e56673fc4de0b2d
ripemd-160
9d2f33b14572642a5b4c16c1f559a56b7a0aae45
Diameter
41594618
Circumference
130673346.33767
Area
1.3588269809243E+15
Volume
3.7679926133093E+22
Surface area
5.4353079236972E+15
Circumference
130673346.33767
Perimeter
83189236
Area
432528061641481
Diagonal
29411836.448664
Surface area
2595168369848886
Volume
8.9954197491289E+21
Space diagonal
36021995.848709
Perimeter
62391927
Area
1.8729014461558E+14
Altitude
18010997.924355
Surface area
1.8729014461558E+14
Volume
1.0601203840381E+21
Height
9803945.482888