20307913 is an odd 8-digits composite number following 20307912
and preceding 20307914 . In scientific notation, it is written as 2.0307913 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20297680 positive integers (up to 20307913) that are relatively prime to 20307913.
20307913 has 4 divisors, whose sum is 20318148
The reverse of 20307913 is 31970302
Previous prime number is 2693
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million three hundred seven thousand nine hundred thirteen
Scientific notation
2.0307913 × 10^7
Engineering notation
2.0307913 × 10^6
Prime Factorization
2693 × 7541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20307913
Product of the distinct prime numbers
The prime factorization of 20307913 is 2693 × 7541.
Since it has a total of 2 prime factors.
3 , 7 , 43 , 15 , 78 , 422 , 5988 , 6816 , 26253 , 67260 , 832945 , 845113 , 235920 , 7527230 , 75181149 , 38686136 , 720075579 , 619272806 , 7168288549 , 1378377284
n×2
40615826
n×3
60923739
n×4
81231652
n×5
101539565
n÷2
10153956.5
n÷3
6769304.3333333
n÷3
5076978.25
n÷5
4061582.6
n2
412411330415569
n3
8.3752134182936E+21
n4
1.7008310545514E+29
n5
3.4540329083528E+36
2 √n
4506.4301836376
3 √n
272.82768088409
4 √n
67.129949974937
5 √n
28.942301197692
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
-20307912
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 20307913 can be divided by 4 positive divisors.
The sum of these divisors (counting 20307913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011101111111001001
3
Ternary
1102012202012221
4
Quaternary
1031131333021
5
Quinary
20144323123
6
Senary
2003134041
8
Octal
115357711
10
Decimal
20307913
12
Duodecimal
6974321
16
Hexadecimal
135dfc9
20
Vigesimal
66i9fd
36
Base36
c39op
md5
232da67f2f645916bbadbb9906bdd6de
sha1
7575f522a2dfe32e6d36d3191dfbdc6a8eba2b34
sha256
f696ac4abefea722b3efad226e163ea8dc3514cd28e0cea2e9a8c4369add32e7
sha512
ecb3b124648801d01c8a6ac5871d4645e5a196ee7aff07952a4661485c7e06b73807d231dcf8bcd85ecd0027bc044e8745110f189fd464a8f01bd7119f467b64
ripemd-160
4f35397a8a89828557e81d5dedabe9f48b68eb06
Diameter
40615826
Circumference
127598380.58108
Area
1.2956284058907E+15
Volume
3.5082011929544E+22
Surface area
5.182513623563E+15
Circumference
127598380.58108
Perimeter
81231652
Area
412411330415569
Diagonal
28719725.988093
Surface area
2474467982493414
Volume
8.3752134182936E+21
Space diagonal
35174337.111689
Perimeter
60923739
Area
1.7857934447421E+14
Altitude
17587168.555844
Surface area
1.7857934447421E+14
Volume
9.8702836699333E+20
Height
9573241.996031