20126649 is an odd 8-digits composite number following 20126648
and preceding 20126650 . In scientific notation, it is written as 2.0126649 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13417764 positive integers (up to 20126649) that are relatively prime to 20126649.
20126649 has 4 divisors, whose sum is 26835536
The reverse of 20126649 is 94662102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-six thousand six hundred forty-nine
Scientific notation
2.0126649 × 10^7
Engineering notation
2.0126649 × 10^6
Prime Factorization
3 × 6708883
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20126649
Product of the distinct prime numbers
The prime factorization of 20126649 is 3 × 6708883.
Since it has a total of 2 prime factors.
9 , 6 , 43 , 39 , 861 , 528 , 2291 , 4981 , 21188 , 26818 , 802578 , 143772 , 4761143 , 3781705 , 24541362 , 60305756 , 476939200 , 952838709 , 3590737090 , 3544363580
n×2
40253298
n×3
60379947
n×4
80506596
n×5
100633245
n÷2
10063324.5
n÷3
6708883
n÷3
5031662.25
n÷5
4025329.8
n2
405081999969201
n3
8.1529432295981E+21
n4
1.6409142669905E+29
n5
3.302610549081E+36
2 √n
4486.2733978214
3 √n
272.0135202694
4 √n
66.979649131818
5 √n
28.890449204913
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
-20126648
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 20126649 can be divided by 4 positive divisors.
The sum of these divisors (counting 20126649) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001101110111001
3
Ternary
1101212112120110
4
Quaternary
1030301232321
5
Quinary
20123023044
6
Senary
1555214533
8
Octal
114615671
10
Decimal
20126649
12
Duodecimal
68a7449
16
Hexadecimal
1331bb9
20
Vigesimal
65fgc9
36
Base36
bzdtl
md5
2fd45c72d585d5f2976fe57a7e267848
sha1
dff4e5d5e066e0dfec8069957bb9a3860d221e48
sha256
f974dcbd205900f4a1772a2d0ccc151ee4115d8df014f42853a966057140c149
sha512
1f0fc10675efa3b668a842c5074519c21e4ef781f5c27aa65ada189718b85b16c493d2f9728fc72c2b740864331bdb56cd44d7f7f3b40da7d99b85e50b4eb41c
ripemd-160
c5939e1213b091bcb8145e9dd98b1a1d716b9569
Diameter
40253298
Circumference
126459465.27956
Area
1.2726026352047E+15
Volume
3.415096874032E+22
Surface area
5.0904105408188E+15
Circumference
126459465.27956
Perimeter
80506596
Area
405081999969201
Diagonal
28463379.980923
Surface area
2430491999815206
Volume
8.1529432295981E+21
Space diagonal
34860378.654105
Perimeter
60379947
Area
1.7540565129457E+14
Altitude
17430189.327053
Surface area
1.7540565129457E+14
Volume
9.608335740463E+20
Height
9487793.3269743