20218471 is an odd 8-digits composite number following 20218470
and preceding 20218472 . In scientific notation, it is written as 2.0218471 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 15621984 positive integers (up to 20218471) that are relatively prime to 20218471.
20218471 has 16 divisors, whose sum is 25467904
The reverse of 20218471 is 17481202
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred eighteen thousand four hundred seventy-one
Scientific notation
2.0218471 × 10^7
Engineering notation
2.0218471 × 10^6
Prime Factorization
7 × 13 × 43 × 5167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20218471
Product of the distinct prime numbers
The prime factorization of 20218471 is 7 × 13 × 43 × 5167.
Since it has a total of 4 prime factors.
4 , 1 , 45 , 53 , 143 , 725 , 2417 , 981 , 93520 , 92040 , 78416 , 952205 , 4714423 , 4169354 , 8985073 , 37489451 , 391697923 , 386107677 , 9379954800 , 1147847077
n×2
40436942
n×3
60655413
n×4
80873884
n×5
101092355
n÷2
10109235.5
n÷3
6739490.3333333
n÷3
5054617.75
n÷5
4043694.2
n2
408786569577841
n3
8.2650394021991E+21
n4
1.6710645946722E+29
n5
3.3786371046506E+36
2 √n
4496.4954130967
3 √n
272.42655372673
4 √n
67.055912588651
5 √n
28.916762090108
1 , 7 , 13 , 43 , 91 , 301 , 559 , 3913 , 5167 , 36169 , 67171 , 222181 , 470197 , 1555267 , 2888353 , 20218471
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
-20218470
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 20218471 can be divided by 16 positive divisors.
The sum of these divisors (counting 20218471) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001000001001100111
3
Ternary
1102001012112021
4
Quaternary
1031020021213
5
Quinary
20133442341
6
Senary
2001204011
8
Octal
115101147
10
Decimal
20218471
12
Duodecimal
6930607
16
Hexadecimal
1348267
20
Vigesimal
66763b
36
Base36
c1co7
md5
57adfff34c6360e91d03ca8d730cb684
sha1
9e9aa1ca7e282768b2640359ade87c272170559b
sha256
ea988d7af06678d0485fcae43d73ba1c848f62b4707ddd71a4a7300f155b1608
sha512
7abd99ea9240b6d249d6d40e657c01c5bccdd73e1f5acca2802ff68de7269da57b60c2b1f4e49136d8a694e7814bb0a7d6b079df7391353987cda8ed348446d9
ripemd-160
7e7869267949e97d4d4ca7a6b48dbbeb48f41808
Diameter
40436942
Circumference
127036399.92084
Area
1.2842408838719E+15
Volume
3.4620516090105E+22
Surface area
5.1369635354877E+15
Circumference
127036399.92084
Perimeter
80873884
Area
408786569577841
Diagonal
28593235.898647
Surface area
2452719417467046
Volume
8.2650394021991E+21
Space diagonal
35019419.023358
Perimeter
60655413
Area
1.7700977699015E+14
Altitude
17509709.511679
Surface area
1.7700977699015E+14
Volume
9.7404423467816E+20
Height
9531078.6328824