20218481 is an odd 8-digits composite number following 20218480
and preceding 20218482 . In scientific notation, it is written as 2.0218481 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 19497744 positive integers (up to 20218481) that are relatively prime to 20218481.
20218481 has 8 divisors, whose sum is 20965800
The reverse of 20218481 is 18481202
Previous prime number is 841
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred eighteen thousand four hundred eighty-one
Scientific notation
2.0218481 × 10^7
Engineering notation
2.0218481 × 10^6
Prime Factorization
29 × 841 × 829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20218481
Product of the distinct prime numbers
The prime factorization of 20218481 is 29 × 841 × 829.
Since it has a total of 3 prime factors.
5 , 4 , 52 , 74 , 88 , 209 , 7043 , 994 , 80924 , 69383 , 38490 , 932142 , 4631513 , 3622551 , 89107921 , 43014200 , 138981873 , 240660638 , 5006194159 , 7113473260
n×2
40436962
n×3
60655443
n×4
80873924
n×5
101092405
n÷2
10109240.5
n÷3
6739493.6666667
n÷3
5054620.25
n÷5
4043696.2
n2
408786973947361
n3
8.2650516658022E+21
n4
1.6710679006904E+29
n5
3.3786454599819E+36
2 √n
4496.4965250737
3 √n
272.42659864053
4 √n
67.055920880066
5 √n
28.916764950538
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
-20218480
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 20218481 can be divided by 8 positive divisors.
The sum of these divisors (counting 20218481) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000001001110001
3
Ternary
1102001012112122
4
Quaternary
1031020021301
5
Quinary
20133442411
6
Senary
2001204025
8
Octal
115101161
10
Decimal
20218481
12
Duodecimal
6930615
16
Hexadecimal
1348271
20
Vigesimal
667641
36
Base36
c1coh
md5
d533d2c95332cf8cfbe9f574a682791e
sha1
49dd5b27be8867a4f14c02a36fcc6f96fbd0a76c
sha256
cc44b4d43ca1f1803f51169bdf3d3c0db4ca36687613eefa4fb1bf7cd7177e79
sha512
22cc0be159bc0ea4dc46d09c1b1b5cc276e5668aaca6b22898bda903ce6d00801cd2953cd2595d728dee3917c6aa757bb2f75837946c90178c6fdbc33ba9fb5a
ripemd-160
1628b3fcc24b22c752255b9e8c227e5b55ee343c
Diameter
40436962
Circumference
127036462.75269
Area
1.2842421542362E+15
Volume
3.4620567459766E+22
Surface area
5.1369686169449E+15
Circumference
127036462.75269
Perimeter
80873924
Area
408786973947361
Diagonal
28593250.040783
Surface area
2452721843684166
Volume
8.2650516658022E+21
Space diagonal
35019436.343866
Perimeter
60655443
Area
1.7700995208729E+14
Altitude
17509718.171933
Surface area
1.7700995208729E+14
Volume
9.7404567995765E+20
Height
9531083.3469276