20181471 is an odd 8-digits composite number following 20181470
and preceding 20181472 . In scientific notation, it is written as 2.0181471 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 12843200 positive integers (up to 20181471) that are relatively prime to 20181471.
20181471 has 16 divisors, whose sum is 28159488
The reverse of 20181471 is 17418102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eighty-one thousand four hundred seventy-one
Scientific notation
2.0181471 × 10^7
Engineering notation
2.0181471 × 10^6
Prime Factorization
3 × 41 × 47 × 3491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20181471
Product of the distinct prime numbers
The prime factorization of 20181471 is 3 × 41 × 47 × 3491.
Since it has a total of 4 prime factors.
7 , 3 , 44 , 15 , 476 , 708 , 4232 , 6947 , 39094 , 32181 , 859697 , 188176 , 4613801 , 703121 , 12926848 , 34999243 , 822985472 , 15694509 , 5396479001 , 9161693585
n×2
40362942
n×3
60544413
n×4
80725884
n×5
100907355
n÷2
10090735.5
n÷3
6727157
n÷3
5045367.75
n÷5
4036294.2
n2
407291771723841
n3
8.2197470795833E+21
n4
1.6588658731395E+29
n5
3.3478353511654E+36
2 √n
4492.3792137352
3 √n
272.26027116515
4 √n
67.025213268853
5 √n
28.906170742779
1 , 3 , 41 , 47 , 123 , 141 , 1927 , 3491 , 5781 , 10473 , 143131 , 164077 , 429393 , 492231 , 6727157 , 20181471
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
-20181470
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 20181471 can be divided by 16 positive divisors.
The sum of these divisors (counting 20181471) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111111000111011111
3
Ternary
1101222022202220
4
Quaternary
1030333013133
5
Quinary
20131301341
6
Senary
2000320423
8
Octal
114770737
10
Decimal
20181471
12
Duodecimal
6913113
16
Hexadecimal
133f1df
20
Vigesimal
662ddb
36
Base36
c0k4f
md5
9a03961d64eb1aca6798565797fe5c4d
sha1
b03436d0e725e4b8d504b81d9b948c3500c5a509
sha256
4fb8ba9ab3d09a765e826a3bb565fbdfed21af1c70ec1d1e2be5e71c2af23a08
sha512
6a218c6b4fd7c61bf2d6a1a2bc82161d888f080e6d4952bbb9707bf1c29a8e609da05534eeadd3c48ccc11c0b7ddb3e7c7b899d23aaeb33f6091c6498c699929
ripemd-160
325b1c7762863b586c7594e7303ffb019ccddf47
Diameter
40362942
Circumference
126803922.06447
Area
1.2795448379152E+15
Volume
3.443079605278E+22
Surface area
5.1181793516608E+15
Circumference
126803922.06447
Perimeter
80725884
Area
407291771723841
Diagonal
28540909.996839
Surface area
2443750630343046
Volume
8.2197470795833E+21
Space diagonal
34955333.143478
Perimeter
60544413
Area
1.7636251053261E+14
Altitude
17477666.571739
Surface area
1.7636251053261E+14
Volume
9.6870648326861E+20
Height
9513636.6656131