20019986 is an even 8-digits composite number following 20019985
and preceding 20019987 . In scientific notation, it is written as 2.0019986 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8223120 positive integers (up to 20019986) that are relatively prime to 20019986.
20019986 has 16 divisors, whose sum is 31204608
The reverse of 20019986 is 68991002
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nineteen thousand nine hundred eighty-six
Scientific notation
2.0019986 × 10^7
Engineering notation
2.0019986 × 10^6
Prime Factorization
2 × 1981 × 31 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20019986
Product of the distinct prime numbers
The prime factorization of 20019986 is 2 × 1981 × 31 × 163.
Since it has a total of 4 prime factors.
6 , 6 , 46 , 58 , 231 , 916 , 4062 , 9371 , 9819 , 47057 , 443444 , 41108 , 1768632 , 316063 , 87842005 , 10405653 , 687178867 , 214659583 , 9339480869 , 8702168282
n×2
40039972
n×3
60059958
n×4
80079944
n×5
100099930
n÷2
10009993
n÷3
6673328.6666667
n÷3
5004996.5
n÷5
4003997.2
n2
400799839440196
n3
8.024007174395E+21
n4
1.6064051129529E+29
n5
3.2160207871645E+36
2 √n
4474.3698997736
3 √n
271.53214880902
4 √n
66.890731045292
5 √n
28.8597625745
1 , 2 , 31 , 62 , 163 , 326 , 1981 , 3962 , 5053 , 10106 , 61411 , 122822 , 322903 , 645806 , 10009993 , 20019986
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
-20019985
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 20019986 can be divided by 16 positive divisors.
The sum of these divisors (counting 20019986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010111101100010010
3
Ternary
1101200010020222
4
Quaternary
1030113230102
5
Quinary
20111114421
6
Senary
1553033042
8
Octal
114275422
10
Decimal
20019986
12
Duodecimal
6855782
16
Hexadecimal
1317b12
20
Vigesimal
6529j6
36
Base36
bx3iq
md5
c77a94d343cfca9fdd9cddc6aad1bc3a
sha1
0ed3087834f6659387e280dfd79b5932adef2f53
sha256
b3cd8e31295b654a6567f43d42c810fedcd6c7b13616fd92e85081f2d976e181
sha512
c31430aebc47f2fc193ef7b109446d495b3ec763e26511a30af43dfd255bdd5d6f32c744375c8c1018969a7a7368535f1fdc8e4fd55bf6f3ee0eaf12b062a9f0
ripemd-160
9107a1fe036bc68e6e1a2537d8a35d1e91ecd934
Diameter
40039972
Circumference
125789281.88514
Area
1.2591498311453E+15
Volume
3.3610882655241E+22
Surface area
5.0365993245812E+15
Circumference
125789281.88514
Perimeter
80079944
Area
400799839440196
Diagonal
28312535.719719
Surface area
2404799036641176
Volume
8.024007174395E+21
Space diagonal
34675632.918818
Perimeter
60059958
Area
1.7355142139397E+14
Altitude
17337816.459409
Surface area
1.7355142139397E+14
Volume
9.4563831421737E+20
Height
9437511.9065732