21132828 is an even 8-digits composite number following 21132827
and preceding 21132829 . In scientific notation, it is written as 2.1132828 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 6997536 positive integers (up to 21132828) that are relatively prime to 21132828.
21132828 has 36 divisors, whose sum is 53773720
The reverse of 21132828 is 82823112
Previous prime number is 157
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 eight hundred twenty-eight
Scientific notation
2.1132828 × 10^7
Engineering notation
2.1132828 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 157 × 3739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3522138
Product of the distinct prime numbers
The prime factorization of 21132828 is 2 × 2 × 3 × 3 × 157 × 3739.
Since it has a total of 6 prime factors.
5 , 8 , 43 , 44 , 888 , 59 , 7847 , 6505 , 86832 , 12419 , 467027 , 297613 , 1992158 , 9533495 , 46337579 , 49799655 , 157335225 , 39461155 , 6565711281 , 7791606220
n×2
42265656
n×3
63398484
n×4
84531312
n×5
105664140
n÷2
10566414
n÷3
7044276
n÷3
5283207
n÷5
4226565.6
n2
446596419277584
n3
9.4378453140091E+21
n4
1.9944836171156E+29
n5
4.2149079229322E+36
2 √n
4597.045572974
3 √n
276.47288183151
4 √n
67.801516007933
5 √n
29.173700737335
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 157 , 314 , 471 , 628 , 942 , 1413 , 1884 , 2826 , 3739 , 5652 , 7478 , 11217 , 14956 , 22434 , 33651 , 44868 , 67302 , 134604 , 587023 , 1174046 , 1761069 , 2348092 , 3522138 , 5283207 , 7044276 , 10566414 , 21132828
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21132827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21132828 can be divided by 36 positive divisors.
The sum of these divisors (counting 21132828) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010000100111011000011100
3
Ternary
1110202122210100
4
Quaternary
1100213120130
5
Quinary
20402222303
6
Senary
2032541100
8
Octal
120473034
10
Decimal
21132828
12
Duodecimal
70b1790
16
Hexadecimal
142761c
20
Vigesimal
6c1c18
36
Base36
cky70
md5
2628d88f7655c7d42729d90fbf1935b3
sha1
174f6acbd411e1459cef5b1fc8a9ad16a8a77ebe
sha256
3dc7e1a08a9f74c3bdfe37c08f8d399763e216f5c360b73a9932690be452ef2e
sha512
7689e2a96df208b8746c0b141c9d89d6f13ccab4e407e1ebf614b67057ae3cc308d65cc481e9b0553e92692fa20dc70a2dd23f5a5ccd2f09703305f2f653a023
ripemd-160
847dfff9f1300efbf97356a0a430ff486aa2701d
Diameter
42265656
Circumference
132781474.38875
Area
1.403024029922E+15
Volume
3.953315400561E+22
Surface area
5.6120961196879E+15
Circumference
132781474.38875
Perimeter
84531312
Area
446596419277584
Diagonal
29886331.968898
Surface area
2679578515665504
Volume
9.4378453140091E+21
Space diagonal
36603131.803614
Perimeter
63398484
Area
1.9338192216678E+14
Altitude
18301565.901807
Surface area
1.9338192216678E+14
Volume
1.1122607368876E+21
Height
9962110.6562993