20821696 is an even 8-digits composite number following 20821695
and preceding 20821697 . In scientific notation, it is written as 2.0821696 × 10^7.
The sum of its digits is 34. It has a total of 8 prime factors and 28 positive divisors.
There are 8923392 positive integers (up to 20821696) that are relatively prime to 20821696.
20821696 has 28 divisors, whose sum is 47221648
The reverse of 20821696 is 69612802
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred twenty-one thousand six hundred ninety-six
Scientific notation
2.0821696 × 10^7
Engineering notation
2.0821696 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 7 × 46477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
650678
Product of the distinct prime numbers
The prime factorization of 20821696 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 46477.
Since it has a total of 8 prime factors.
7 , 1 , 36 , 80 , 271 , 98 , 8 , 6582 , 12135 , 43397 , 995335 , 405420 , 7483806 , 4830480 , 74468888 , 9454183 , 440949028 , 968926532 , 4707810384 , 7157302345
n×2
41643392
n×3
62465088
n×4
83286784
n×5
104108480
n÷2
10410848
n÷3
6940565.3333333
n÷3
5205424
n÷5
4164339.2
n2
433543024316416
n3
9.027101055237E+21
n4
1.8795955393342E+29
n5
3.9136366922974E+36
2 √n
4563.0796618074
3 √n
275.10936036121
4 √n
67.550571143458
5 √n
29.087287282877
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 224 , 448 , 46477 , 92954 , 185908 , 325339 , 371816 , 650678 , 743632 , 1301356 , 1487264 , 2602712 , 2974528 , 5205424 , 10410848 , 20821696
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20821695
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20821696 can be divided by 28 positive divisors.
The sum of these divisors (counting 20821696) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001111011011011011000000
3
Ternary
1110011211222221
4
Quaternary
1033123123000
5
Quinary
20312243241
6
Senary
2022140424
8
Octal
117333300
10
Decimal
20821696
12
Duodecimal
6b81714
16
Hexadecimal
13db6c0
20
Vigesimal
6a2e4g
36
Base36
cea4g
md5
69047e1718b2a70576041bb33632fe1d
sha1
ca0ac362c463ecc785176844e41e8b3857dfdf0c
sha256
32edf27a281f52d597a3f2fe3791e19339edf0ae5ee915071898e4743224e2ed
sha512
9a0aaa81ad75d15aeb608f2a6fb92992a12c3adffcad31ed065a8f504813a38477983be4df0cead4818ac6689d9a634bf09a4b6e62f876bae989ec482c347348
ripemd-160
2deea6022a27a909771315854ccb79b7f42f54dd
Diameter
41643392
Circumference
130826574.37776
Area
1.3620155802076E+15
Volume
3.7812632477794E+22
Surface area
5.4480623208302E+15
Circumference
130826574.37776
Perimeter
83286784
Area
433543024316416
Diagonal
29446324.87481
Surface area
2601258145898496
Volume
9.027101055237E+21
Space diagonal
36064235.371754
Perimeter
62465088
Area
1.8772963634578E+14
Altitude
18032117.685877
Surface area
1.8772963634578E+14
Volume
1.0638540617691E+21
Height
9815441.6249365