21132918 is an even 8-digits composite number following 21132917
and preceding 21132919 . In scientific notation, it is written as 2.1132918 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 7018512 positive integers (up to 21132918) that are relatively prime to 21132918.
21132918 has 16 divisors, whose sum is 35350560
The reverse of 21132918 is 81923112
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-two thousand nine hundred eighteen
Scientific notation
2.1132918 × 10^7
Engineering notation
2.1132918 × 10^6
Prime Factorization
2 × 9 × 293 × 4007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21132918
Product of the distinct prime numbers
The prime factorization of 21132918 is 2 × 9 × 293 × 4007.
Since it has a total of 4 prime factors.
2 , 6 , 27 , 23 , 512 , 740 , 7289 , 2819 , 50673 , 69556 , 929608 , 727300 , 4909383 , 855289 , 29948262 , 49670561 , 73172671 , 851367118 , 1455551574 , 9234360841
n×2
42265836
n×3
63398754
n×4
84531672
n×5
105664590
n÷2
10566459
n÷3
7044306
n÷3
5283229.5
n÷5
4226583.6
n2
446600223194724
n3
9.4379658955558E+21
n4
1.9945175935758E+29
n5
4.2149976754594E+36
2 √n
4597.0553618594
3 √n
276.47327430973
4 √n
67.801588195701
5 √n
29.17372558615
1 , 2 , 9 , 18 , 293 , 586 , 2637 , 4007 , 5274 , 8014 , 36063 , 72126 , 1174051 , 2348102 , 10566459 , 21132918
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
-21132917
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 21132918 can be divided by 16 positive divisors.
The sum of these divisors (counting 21132918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111011001110110
3
Ternary
1110202122220200
4
Quaternary
1100213121312
5
Quinary
20402223133
6
Senary
2032541330
8
Octal
120473166
10
Decimal
21132918
12
Duodecimal
70b1846
16
Hexadecimal
1427676
20
Vigesimal
6c1c5i
36
Base36
cky9i
md5
17a08ef3560724d219a832e7dba5515e
sha1
c7ffbec7813afe57d29c39d94c6b6824548e1ead
sha256
0f151073ad6a284d469505551a7b408b979d52f948d84938ea19e392c137968c
sha512
57f037fa20a692fd33a042e2f7413108a8061164d305247ec0b31982cea511437d198b02b764cd7b1f62fa0d7d6dd73ae53f9175b8b3db50396e92a566baa376
ripemd-160
615911a4cefd44237a9dd0caa51f6759107d0f89
Diameter
42265836
Circumference
132782039.87543
Area
1.4030359802801E+15
Volume
3.9533659096412E+22
Surface area
5.6121439211204E+15
Circumference
132782039.87543
Perimeter
84531672
Area
446600223194724
Diagonal
29886459.248119
Surface area
2679601339168344
Volume
9.4379658955558E+21
Space diagonal
36603287.688187
Perimeter
63398754
Area
1.9338356931122E+14
Altitude
18301643.844093
Surface area
1.9338356931122E+14
Volume
1.1122749475591E+21
Height
9962153.0827062