20181472 is an even 8-digits composite number following 20181471
and preceding 20181473 . In scientific notation, it is written as 2.0181472 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 9939072 positive integers (up to 20181472) that are relatively prime to 20181472.
20181472 has 24 divisors, whose sum is 40329576
The reverse of 20181472 is 27418102
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty-one thousand four hundred seventy-two
Scientific notation
2.0181472 × 10^7
Engineering notation
2.0181472 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 67 × 9413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1261342
Product of the distinct prime numbers
The prime factorization of 20181472 is 2 × 2 × 2 × 2 × 2 × 67 × 9413.
Since it has a total of 7 prime factors.
7 , 5 , 11 , 47 , 288 , 404 , 8954 , 2282 , 18025 , 77647 , 509417 , 485829 , 407502 , 4083505 , 30773798 , 83266834 , 312988792 , 289465533 , 4294700259 , 13121264
n×2
40362944
n×3
60544416
n×4
80725888
n×5
100907360
n÷2
10090736
n÷3
6727157.3333333
n÷3
5045368
n÷5
4036294.4
n2
407291812086784
n3
8.2197483014587E+21
n4
1.6588662019294E+29
n5
3.3478361805984E+36
2 √n
4492.3793250348
3 √n
272.26027566202
4 √n
67.025214099134
5 √n
28.906171029241
1 , 2 , 4 , 8 , 16 , 32 , 67 , 134 , 268 , 536 , 1072 , 2144 , 9413 , 18826 , 37652 , 75304 , 150608 , 301216 , 630671 , 1261342 , 2522684 , 5045368 , 10090736 , 20181472
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
-20181471
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 20181472 can be divided by 24 positive divisors.
The sum of these divisors (counting 20181472) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111000111100000
3
Ternary
1101222022202221
4
Quaternary
1030333013200
5
Quinary
20131301342
6
Senary
2000320424
8
Octal
114770740
10
Decimal
20181472
12
Duodecimal
6913114
16
Hexadecimal
133f1e0
20
Vigesimal
662ddc
36
Base36
c0k4g
md5
71c2c347dff1d241b6b0cb7f87d6eb70
sha1
e6dd528ff4c1d5244a13a51f8d77fd8445346771
sha256
7c5be96fd4dcb0235a9aae593f1c15296e1d34a3c18c46b5d4df9342bc7c1708
sha512
27b3df1817fb1096916269c2d950cb85fede91206283f19aa1667983af0f2f4a0c22316f64d344eacb0d38b26d566110f5b348ce2d9184211a729d8f424a0be1
ripemd-160
019ca9c3990c14779727b3c6987023e35ba52d89
Diameter
40362944
Circumference
126803928.34766
Area
1.2795449647191E+15
Volume
3.443080117096E+22
Surface area
5.1181798588765E+15
Circumference
126803928.34766
Perimeter
80725888
Area
407291812086784
Diagonal
28540911.411053
Surface area
2443750872520704
Volume
8.2197483014587E+21
Space diagonal
34955334.875529
Perimeter
60544416
Area
1.7636252801028E+14
Altitude
17477667.437764
Surface area
1.7636252801028E+14
Volume
9.6870662726801E+20
Height
9513637.1370176