20218492 is an even 8-digits composite number following 20218491
and preceding 20218493 . In scientific notation, it is written as 2.0218492 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8643888 positive integers (up to 20218492) that are relatively prime to 20218492.
20218492 has 24 divisors, whose sum is 40535936
The reverse of 20218492 is 29481202
Previous prime number is 643
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred eighteen thousand four hundred ninety-two
Scientific notation
2.0218492 × 10^7
Engineering notation
2.0218492 × 10^6
Prime Factorization
2 × 2 × 7 × 643 × 1123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10109246
Product of the distinct prime numbers
The prime factorization of 20218492 is 2 × 2 × 7 × 643 × 1123.
Since it has a total of 5 prime factors.
9 , 7 , 48 , 94 , 512 , 376 , 8294 , 1479 , 1379 , 33830 , 795409 , 294099 , 1011243 , 4959560 , 27920009 , 57957009 , 69593722 , 707579798 , 4542067845 , 8916267782
n×2
40436984
n×3
60655476
n×4
80873968
n×5
101092460
n÷2
10109246
n÷3
6739497.3333333
n÷3
5054623
n÷5
4043698.4
n2
408787418754064
n3
8.2650651557797E+21
n4
1.6710715373161E+29
n5
3.3786546508653E+36
2 √n
4496.4977482481
3 √n
272.42664804569
4 √n
67.05593000062
5 √n
28.916768097009
1 , 2 , 4 , 7 , 14 , 28 , 643 , 1123 , 1286 , 2246 , 2572 , 4492 , 4501 , 7861 , 9002 , 15722 , 18004 , 31444 , 722089 , 1444178 , 2888356 , 5054623 , 10109246 , 20218492
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20218491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218492 can be divided by 24 positive divisors.
The sum of these divisors (counting 20218492) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001000001001111100
3
Ternary
1102001012120001
4
Quaternary
1031020021330
5
Quinary
20133442432
6
Senary
2001204044
8
Octal
115101174
10
Decimal
20218492
12
Duodecimal
6930624
16
Hexadecimal
134827c
20
Vigesimal
66764c
36
Base36
c1cos
md5
079d38b341cfdcf589c3b28b3aace4fa
sha1
ed9f903959f7bb8abb8b65466a056222d8e9a338
sha256
574bf8711b8fceb1ec914986540c5257a46519e22e028e1845f9147c368daa22
sha512
0c40e12d529e83acdaeb307b1011303de3d146dbdbd102d8b1fd2a02e05c4010d59332ab2379a9b52fc5389f76dc53d08c168773a3cb1484d59a801e09e9154d
ripemd-160
670d19c88f15c5179363c668836f759ab6cebaec
Diameter
40436984
Circumference
127036531.86773
Area
1.2842435516377E+15
Volume
3.4620623966451E+22
Surface area
5.1369742065508E+15
Circumference
127036531.86773
Perimeter
80873968
Area
408787418754064
Diagonal
28593265.597132
Surface area
2452724512524384
Volume
8.2650651557797E+21
Space diagonal
35019455.396425
Perimeter
60655476
Area
1.7701014469424E+14
Altitude
17509727.698212
Surface area
1.7701014469424E+14
Volume
9.7404726976675E+20
Height
9531088.5323773