21132018 is an even 8-digits composite number following 21132017
and preceding 21132019 . In scientific notation, it is written as 2.1132018 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 6816600 positive integers (up to 21132018) that are relatively prime to 21132018.
21132018 has 24 divisors, whose sum is 47264256
The reverse of 21132018 is 81023112
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one hundred thirty-two thousand eighteen
Scientific notation
2.1132018 × 10^7
Engineering notation
2.1132018 × 10^6
Prime Factorization
2 × 3 × 3 × 31 × 37871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7044006
Product of the distinct prime numbers
The prime factorization of 21132018 is 2 × 3 × 3 × 31 × 37871.
Since it has a total of 5 prime factors.
7 , 6 , 14 , 90 , 426 , 430 , 4382 , 8268 , 93236 , 26318 , 183194 , 345781 , 2197487 , 5147695 , 24356729 , 17344200 , 790165942 , 171055415 , 1093887936 , 6275920313
n×2
42264036
n×3
63396054
n×4
84528072
n×5
105660090
n÷2
10566009
n÷3
7044006
n÷3
5283004.5
n÷5
4226403.6
n2
446562184752324
n3
9.4367601263054E+21
n4
1.9941778485077E+29
n5
4.2141002189866E+36
2 √n
4596.9574720678
3 √n
276.4693494774
4 √n
67.80086630765
5 √n
29.173477094197
1 , 2 , 3 , 6 , 9 , 18 , 31 , 62 , 93 , 186 , 279 , 558 , 37871 , 75742 , 113613 , 227226 , 340839 , 681678 , 1174001 , 2348002 , 3522003 , 7044006 , 10566009 , 21132018
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
-21132017
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 21132018 can be divided by 24 positive divisors.
The sum of these divisors (counting 21132018) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100111001011110010
3
Ternary
1110202121200100
4
Quaternary
1100213023302
5
Quinary
20402211033
6
Senary
2032533230
8
Octal
120471362
10
Decimal
21132018
12
Duodecimal
70b1216
16
Hexadecimal
14272f2
20
Vigesimal
6c1a0i
36
Base36
ckxki
md5
636eb6dc1121c3e20bc07e3473c7bbf3
sha1
0acead1c888834b74faf2fb575dcc3909aa18467
sha256
596daf7f54f0e25c4d059ae80f2374a7bab36b5215e1d5ab606535a854e97669
sha512
81895f7b0e50a4b54b50563de3744aa39f4c6eea27c3152aa1ee8aa074ef40fb1e3fe15776b416b92713429464dfcdbf4e0149e3d3a2997ff6da4c712d03e480
ripemd-160
fa1f1213332ab2c997689ba509ea9626c210e61d
Diameter
42264036
Circumference
132776385.00865
Area
1.4029164789889E+15
Volume
3.9528608381987E+22
Surface area
5.6116659159556E+15
Circumference
132776385.00865
Perimeter
84528072
Area
446562184752324
Diagonal
29885186.455912
Surface area
2679373108513944
Volume
9.4367601263054E+21
Space diagonal
36601728.84246
Perimeter
63396054
Area
1.933670981825E+14
Altitude
18300864.42123
Surface area
1.933670981825E+14
Volume
1.1121328462902E+21
Height
9961728.8186375