20649306 is an even 8-digits composite number following 20649305
and preceding 20649307 . In scientific notation, it is written as 2.0649306 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6872784 positive integers (up to 20649306) that are relatively prime to 20649306.
20649306 has 16 divisors, whose sum is 41360544
The reverse of 20649306 is 60394602
Previous prime number is 787
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred forty-nine thousand three hundred six
Scientific notation
2.0649306 × 10^7
Engineering notation
2.0649306 × 10^6
Prime Factorization
2 × 3 × 787 × 4373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20649306
Product of the distinct prime numbers
The prime factorization of 20649306 is 2 × 3 × 787 × 4373.
Since it has a total of 4 prime factors.
2 , 6 , 61 , 82 , 545 , 467 , 9328 , 9563 , 84885 , 40671 , 609210 , 833365 , 4498438 , 6445111 , 97155008 , 4962877 , 503039098 , 679663564 , 6400472471 , 4482633555
n×2
41298612
n×3
61947918
n×4
82597224
n×5
103246530
n÷2
10324653
n÷3
6883102
n÷3
5162326.5
n÷5
4129861.2
n2
426393838281636
n3
8.804736843192E+21
n4
1.8181170532455E+29
n5
3.7542855376284E+36
2 √n
4544.150745739
3 √n
274.34801357999
4 √n
67.410316315375
5 √n
29.038962240894
1 , 2 , 3 , 6 , 787 , 1574 , 2361 , 4373 , 4722 , 8746 , 13119 , 26238 , 3441551 , 6883102 , 10324653 , 20649306
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
-20649305
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 20649306 can be divided by 16 positive divisors.
The sum of these divisors (counting 20649306) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110001010101011010
3
Ternary
1102212002112010
4
Quaternary
1032301111122
5
Quinary
20241234211
6
Senary
2014330350
8
Octal
116612532
10
Decimal
20649306
12
Duodecimal
6ab99b6
16
Hexadecimal
13b155a
20
Vigesimal
691356
36
Base36
cal3u
md5
82bc1baae128be1d6ce816e1b77ccfd1
sha1
444416d95b569614fd93dc800ba56d4f0db4750a
sha256
f11e5a1282466aa5e2ca6f09ae64e880371390f9b5086bb835417c328b5160de
sha512
828d190debe6a59b92a2bcb7c2a0526175847fc4f807797ca0a8d7a2972f6245530c44b271df8f6c7cfa743ebc7ca8d19352baf18469b23bb205fca13573430a
ripemd-160
54c31f75ac90a10f245ba2024a289747320a6633
Diameter
41298612
Circumference
129743416.06266
Area
1.3395557498815E+15
Volume
3.6881195444485E+22
Surface area
5.3582229995262E+15
Circumference
129743416.06266
Perimeter
82597224
Area
426393838281636
Diagonal
29202528.598792
Surface area
2558363029689816
Volume
8.804736843192E+21
Space diagonal
35765647.133037
Perimeter
61947918
Area
1.8463394798453E+14
Altitude
17882823.566518
Surface area
1.8463394798453E+14
Volume
1.037648188064E+21
Height
9734176.1995974