21132788 is an even 8-digits composite number following 21132787
and preceding 21132789 . In scientific notation, it is written as 2.1132788 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10010232 positive integers (up to 21132788) that are relatively prime to 21132788.
21132788 has 12 divisors, whose sum is 38928960
The reverse of 21132788 is 88723112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million one hundred thirty-two thousand seven hundred eighty-eight
Scientific notation
2.1132788 × 10^7
Engineering notation
2.1132788 × 10^6
Prime Factorization
2 × 2 × 19 × 278063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10566394
Product of the distinct prime numbers
The prime factorization of 21132788 is 2 × 2 × 19 × 278063.
Since it has a total of 4 prime factors.
3 , 6 , 19 , 32 , 916 , 772 , 8037 , 5294 , 16335 , 89446 , 354842 , 710768 , 7583467 , 7200162 , 91028388 , 51329292 , 301897407 , 453989529 , 7950274682 , 9226242851
n×2
42265576
n×3
63398364
n×4
84531152
n×5
105663940
n÷2
10566394
n÷3
7044262.6666667
n÷3
5283197
n÷5
4226557.6
n2
446594728652944
n3
9.4377917225402E+21
n4
1.994468516606E+29
n5
4.2148680334108E+36
2 √n
4597.0412223516
3 √n
276.47270739639
4 √n
67.801483924407
5 √n
29.173689693391
1 , 2 , 4 , 19 , 38 , 76 , 278063 , 556126 , 1112252 , 5283197 , 10566394 , 21132788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21132787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21132788 can be divided by 12 positive divisors.
The sum of these divisors (counting 21132788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111010111110100
3
Ternary
1110202122201212
4
Quaternary
1100213113310
5
Quinary
20402222123
6
Senary
2032540552
8
Octal
120472764
10
Decimal
21132788
12
Duodecimal
70b1758
16
Hexadecimal
14275f4
20
Vigesimal
6c1bj8
36
Base36
cky5w
md5
958c118767d96989c9c3ff05d92ec001
sha1
b0b17fad7408400e828d20523427891b957abb72
sha256
c441c4cba9e0f6b8dc61efb64f9f410cfb4c5e2817975b778b0a10d6a4abb39e
sha512
494e1b7c8d39717ea5e014f3299c65f3d88839d453055b504b7904679b5a83938f607b6fa6a47ef18d3d68656cc1b8d8bdb56ff2664ccebe1103c33a72580b6e
ripemd-160
ed3b4ef2c3ad271ad484a88070ee330b0ebc111e
Diameter
42265576
Circumference
132781223.06134
Area
1.403018718668E+15
Volume
3.953292952219E+22
Surface area
5.6120748746721E+15
Circumference
132781223.06134
Perimeter
84531152
Area
446594728652944
Diagonal
29886275.400355
Surface area
2679568371917664
Volume
9.4377917225402E+21
Space diagonal
36603062.521582
Perimeter
63398364
Area
1.9338119010483E+14
Altitude
18301531.260791
Surface area
1.9338119010483E+14
Volume
1.1122544210724E+21
Height
9962091.8001185