20307745 is an odd 8-digits composite number following 20307744
and preceding 20307746 . In scientific notation, it is written as 2.0307745 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 15817984 positive integers (up to 20307745) that are relatively prime to 20307745.
20307745 has 16 divisors, whose sum is 25019280
The reverse of 20307745 is 54770302
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million three hundred seven thousand seven hundred forty-five
Scientific notation
2.0307745 × 10^7
Engineering notation
2.0307745 × 10^6
Prime Factorization
5 × 53 × 197 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20307745
Product of the distinct prime numbers
The prime factorization of 20307745 is 5 × 53 × 197 × 389.
Since it has a total of 4 prime factors.
9 , 1 , 77 , 5 , 181 , 409 , 5439 , 8958 , 96295 , 40353 , 671731 , 393799 , 5236235 , 8604829 , 77176515 , 45034163 , 107371509 , 126291419 , 7861356347 , 5411277367
n×2
40615490
n×3
60923235
n×4
81230980
n×5
101538725
n÷2
10153872.5
n÷3
6769248.3333333
n÷3
5076936.25
n÷5
4061549
n2
412404506985025
n3
8.3750055647026E+21
n4
1.7007747738156E+29
n5
3.453890040908E+36
2 √n
4506.4115435677
3 √n
272.82692854719
4 √n
67.129811139073
5 √n
28.942253311701
1 , 5 , 53 , 197 , 265 , 389 , 985 , 1945 , 10441 , 20617 , 52205 , 76633 , 103085 , 383165 , 4061549 , 20307745
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20307744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20307745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20307745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011101111100100001
3
Ternary
1102012201222201
4
Quaternary
1031131330201
5
Quinary
20144321440
6
Senary
2003133201
8
Octal
115357441
10
Decimal
20307745
12
Duodecimal
6974201
16
Hexadecimal
135df21
20
Vigesimal
66i975
36
Base36
c39k1
md5
483a43efae25ab1e0790b81c9155773f
sha1
9c7e15c8bdfb1aec68f9f572444af2a07ec793fb
sha256
41c85bb38a16006e61750b4d058580ae483d1a5e641c75fbf948ebd7a5e03bc8
sha512
b172c565b67078d7fa890a0a5d7c567aa69b5e07f9a242a939beb8c2787a1ac915aa2e6ed67201dce6088294fc3476c0270d4c87841022016704d3d8e12d4a99
ripemd-160
9853e3470bc3d6cddff1ce73a797bde96d4978cb
Diameter
40615490
Circumference
127597325.00595
Area
1.2956069694515E+15
Volume
3.5081141274458E+22
Surface area
5.1824278778059E+15
Circumference
127597325.00595
Perimeter
81230980
Area
412404506985025
Diagonal
28719488.400214
Surface area
2474427041910150
Volume
8.3750055647026E+21
Space diagonal
35174046.127153
Perimeter
60923235
Area
1.7857638984211E+14
Altitude
17587023.063576
Surface area
1.7857638984211E+14
Volume
9.8700387121271E+20
Height
9573162.8000715