20646938 is an even 8-digits composite number following 20646937
and preceding 20646939 . In scientific notation, it is written as 2.0646938 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9529344 positive integers (up to 20646938) that are relatively prime to 20646938.
20646938 has 8 divisors, whose sum is 33352788
The reverse of 20646938 is 83964602
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred forty-six thousand nine hundred thirty-eight
Scientific notation
2.0646938 × 10^7
Engineering notation
2.0646938 × 10^6
Prime Factorization
2 × 13 × 794113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20646938
Product of the distinct prime numbers
The prime factorization of 20646938 is 2 × 13 × 794113.
Since it has a total of 3 prime factors.
1 , 1 , 71 , 59 , 373 , 86 , 3358 , 6359 , 82604 , 89629 , 176364 , 102633 , 4986527 , 7690511 , 29917570 , 67690823 , 329280448 , 987784387 , 9905900516 , 6682343740
n×2
41293876
n×3
61940814
n×4
82587752
n×5
103234690
n÷2
10323469
n÷3
6882312.6666667
n÷3
5161734.5
n÷5
4129387.6
n2
426296048775844
n3
8.8017080887198E+21
n4
1.817283212019E+29
n5
3.7521333806996E+36
2 √n
4543.8901835322
3 √n
274.33752604542
4 √n
67.408383629428
5 √n
29.038296190257
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20646937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20646938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20646938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110110000110000011010
3
Ternary
1102211222021102
4
Quaternary
1032300300122
5
Quinary
20241200223
6
Senary
2014311402
8
Octal
116606032
10
Decimal
20646938
12
Duodecimal
6ab8562
16
Hexadecimal
13b0c1a
20
Vigesimal
690h6i
36
Base36
caja2
md5
8ffafaed5d6320a4612ec3291235c35d
sha1
6b3d9f3f61f23824d3b1fbb7049330718d9685c9
sha256
1c979225439c75f67f5938eae2946b355b3a7cfc11506b7d2033aa131885ccbe
sha512
2a84f4a75ca045ed9ccc6e623158056e0b1148a8682a4792364dad4702b2fa53d1998b5f2faea478ba6200b206519cbcc3244ff74ec8894f980b6bc43469f2e0
ripemd-160
67034cbd29dabe8df1bd87738307cef30cd66acc
Diameter
41293876
Circumference
129728537.47985
Area
1.3392485350885E+15
Volume
3.6868508627419E+22
Surface area
5.3569941403542E+15
Circumference
129728537.47985
Perimeter
82587752
Area
426296048775844
Diagonal
29199179.741076
Surface area
2557776292655064
Volume
8.8017080887198E+21
Space diagonal
35761545.636725
Perimeter
61940814
Area
1.8459160388641E+14
Altitude
17880772.818362
Surface area
1.8459160388641E+14
Volume
1.0372912459264E+21
Height
9733059.9136921