21132818 is an even 8-digits composite number following 21132817
and preceding 21132819 . In scientific notation, it is written as 2.1132818 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9006984 positive integers (up to 21132818) that are relatively prime to 21132818.
21132818 has 16 divisors, whose sum is 32524800
The reverse of 21132818 is 81823112
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred thirty-two thousand eight hundred eighteen
Scientific notation
2.1132818 × 10^7
Engineering notation
2.1132818 × 10^6
Prime Factorization
2 × 49 × 223 × 967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21132818
Product of the distinct prime numbers
The prime factorization of 21132818 is 2 × 49 × 223 × 967.
Since it has a total of 4 prime factors.
9 , 4 , 41 , 20 , 241 , 375 , 2544 , 3270 , 11088 , 86359 , 481226 , 62965 , 2006537 , 1991699 , 60488337 , 75557214 , 510397002 , 410578019 , 4513346883 , 2353994350
n×2
42265636
n×3
63398454
n×4
84531272
n×5
105664090
n÷2
10566409
n÷3
7044272.6666667
n÷3
5283204.5
n÷5
4226563.6
n2
446595996621124
n3
9.4378319161228E+21
n4
1.9944798419801E+29
n5
4.2148979505235E+36
2 √n
4597.0444853188
3 √n
276.47283822275
4 √n
67.801507987056
5 √n
29.173697976351
1 , 2 , 49 , 98 , 223 , 446 , 967 , 1934 , 10927 , 21854 , 47383 , 94766 , 215641 , 431282 , 10566409 , 21132818
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
-21132817
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 21132818 can be divided by 16 positive divisors.
The sum of these divisors (counting 21132818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111011000010010
3
Ternary
1110202122202222
4
Quaternary
1100213120102
5
Quinary
20402222233
6
Senary
2032541042
8
Octal
120473022
10
Decimal
21132818
12
Duodecimal
70b1782
16
Hexadecimal
1427612
20
Vigesimal
6c1c0i
36
Base36
cky6q
md5
57630056aea5698c6973e78b41797bd9
sha1
3b93214a6e491e46ccdfdc22a1d740dc72b151f0
sha256
65d671ee6e3abb0ad9a8cb8a2ed453525c9a25087ff333b340defa1d5929ca21
sha512
3f6827dc161e9edf68c06a07a1aafd9a635f98f36b673e298c435fc842b207c34ebc957e2d2a5e26e1c6bd4aa3193a3fca91b9d69c5ec4779e48a57f3b98a578
ripemd-160
985859acb64479d2554f796677216f8743258ce1
Diameter
42265636
Circumference
132781411.5569
Area
1.4030227021075E+15
Volume
3.9533097884676E+22
Surface area
5.6120908084301E+15
Circumference
132781411.5569
Perimeter
84531272
Area
446595996621124
Diagonal
29886317.826762
Surface area
2679575979726744
Volume
9.4378319161228E+21
Space diagonal
36603114.483106
Perimeter
63398454
Area
1.9338173915116E+14
Altitude
18301557.241553
Surface area
1.9338173915116E+14
Volume
1.1122591579315E+21
Height
9962105.9422541