20797986 is an even 8-digits composite number following 20797985
and preceding 20797987 . In scientific notation, it is written as 2.0797986 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 6264000 positive integers (up to 20797986) that are relatively prime to 20797986.
20797986 has 32 divisors, whose sum is 45654336
The reverse of 20797986 is 68979702
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty million seven hundred ninety-seven thousand nine hundred eighty-six
Scientific notation
2.0797986 × 10^7
Engineering notation
2.0797986 × 10^6
Prime Factorization
2 × 3 × 11 × 181 × 1741
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20797986
Product of the distinct prime numbers
The prime factorization of 20797986 is 2 × 3 × 11 × 181 × 1741.
Since it has a total of 5 prime factors.
8 , 9 , 23 , 73 , 210 , 897 , 1964 , 5439 , 56024 , 35176 , 173640 , 949986 , 5229301 , 419573 , 70466102 , 77969792 , 662322761 , 440656187 , 6880569007 , 4665498226
n×2
41595972
n×3
62393958
n×4
83191944
n×5
103989930
n÷2
10398993
n÷3
6932662
n÷3
5199496.5
n÷5
4159597.2
n2
432556221656196
n3
8.9962982422185E+21
n4
1.8710488489348E+29
n5
3.8914047765463E+36
2 √n
4560.4808956951
3 √n
275.0048968825
4 √n
67.53133269598
5 √n
29.080659831138
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 181 , 362 , 543 , 1086 , 1741 , 1991 , 3482 , 3982 , 5223 , 5973 , 10446 , 11946 , 19151 , 38302 , 57453 , 114906 , 315121 , 630242 , 945363 , 1890726 , 3466331 , 6932662 , 10398993 , 20797986
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797986 can be divided by 32 positive divisors.
The sum of these divisors (counting 20797986) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010101101000100010
3
Ternary
1110010122110210
4
Quaternary
1033111220202
5
Quinary
20311013421
6
Senary
2021434550
8
Octal
117255042
10
Decimal
20797986
12
Duodecimal
6b6ba56
16
Hexadecimal
13d5a22
20
Vigesimal
69jej6
36
Base36
cdrtu
md5
f2b484a55305f2c6dc1fc7a80b8a2d40
sha1
a3a49031cc8e105545a3c6b20b3f460c4ddd291f
sha256
b3ebbe4ddc05d69d9410781a613b644be332a5d52bd535fecf104eeed648d6cb
sha512
02cfad6dae4d5a96aa8aa0476cd230e3ba9430f01ab54b03254d1ac6fd53c701075b56e37d51e249ec7fdcef1e52e547ed2060f340ae7df303c37e05fa5fbb3b
ripemd-160
2ee0a0940594c2c8aaf3e927c2c9a1b138c5cb74
Diameter
41595972
Circumference
130677600.05413
Area
1.3589154482197E+15
Volume
3.7683605956342E+22
Surface area
5.4356617928787E+15
Circumference
130677600.05413
Perimeter
83191944
Area
432556221656196
Diagonal
29412793.871246
Surface area
2595337329937176
Volume
8.9962982422185E+21
Space diagonal
36023168.447106
Perimeter
62393958
Area
1.8730233825964E+14
Altitude
18011584.223553
Surface area
1.8730233825964E+14
Volume
1.0602239154415E+21
Height
9804264.6237486