20306749 is an odd 8-digits prime number following 20306748
and preceding 20306750 . In scientific notation, it is written as 2.0306749 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20306748 positive integers (up to 20306749) that are relatively prime to 20306749.
20306749 has 2 divisors, whose sum is 20306750
The reverse of 20306749 is 94760302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million three hundred six thousand seven hundred forty-nine
Scientific notation
2.0306749 × 10^7
Engineering notation
2.0306749 × 10^6
Prime Factorization
20306749
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20306749
Product of the distinct prime numbers
The prime factorization of 20306749 is 20306749.
Since it has a total of 1 prime factors.
5 , 4 , 71 , 80 , 237 , 519 , 5902 , 1143 , 51899 , 24549 , 499383 , 799076 , 7938415 , 6276930 , 17636434 , 47489451 , 22449126 , 20143682 , 5551610825 , 3896411846
n×2
40613498
n×3
60920247
n×4
81226996
n×5
101533745
n÷2
10153374.5
n÷3
6768916.3333333
n÷3
5076687.25
n÷5
4061349.8
n2
412364054949001
n3
8.3737733604716E+21
n4
1.7004411381398E+29
n5
3.453043138148E+36
2 √n
4506.3010329981
3 √n
272.82246817894
4 √n
67.128988023045
5 √n
28.941969409674
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20306750
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10153375
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4506.3011439539
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999015106
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20306749 can be divided by 2 positive divisors.
The sum of these divisors (counting 20306749) is 20306750, the average is 10153375.
Base
System
Value
2
Binary
1001101011101101100111101
3
Ternary
1102012200121211
4
Quaternary
1031131230331
5
Quinary
20144303444
6
Senary
2003124421
8
Octal
115355475
10
Decimal
20306749
12
Duodecimal
6973711
16
Hexadecimal
135db3d
20
Vigesimal
66i6h9
36
Base36
c38sd
md5
0e65f2f7231fa2e99a41ff21080c6060
sha1
15bb11920b1febbb8529ac52a7d7dcc31ec45c7f
sha256
c918bedb1e15241e523fcfab15cadc16fcbf66e4eb3a5028b0a91fc5a660f190
sha512
b101f653ec1c075a95b3ecbd9cbe37ef0f7f17c14204bbd0e9760db6bfea76dfa839ee98dff745fde26cd97e88d88d11d7eb40a244223d6becbb9fdf8b950c77
ripemd-160
7ec716bfac81801008a2b4d166e99a4164a3e9df
Diameter
40613498
Circumference
127591066.95338
Area
1.2954798856323E+15
Volume
3.5075979829445E+22
Surface area
5.1819195425291E+15
Circumference
127591066.95338
Perimeter
81226996
Area
412364054949001
Diagonal
28718079.843506
Surface area
2474184329694006
Volume
8.3737733604716E+21
Space diagonal
35172321.004548
Perimeter
60920247
Area
1.785588735967E+14
Altitude
17586160.502274
Surface area
1.785588735967E+14
Volume
9.8685865455145E+20
Height
9572693.2811688