20921692 is an even 8-digits composite number following 20921691
and preceding 20921693 . In scientific notation, it is written as 2.0921692 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9465600 positive integers (up to 20921692) that are relatively prime to 20921692.
20921692 has 24 divisors, whose sum is 40127472
The reverse of 20921692 is 29612902
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred twenty-one thousand six hundred ninety-two
Scientific notation
2.0921692 × 10^7
Engineering notation
2.0921692 × 10^6
Prime Factorization
2 × 2 × 11 × 241 × 1973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10460846
Product of the distinct prime numbers
The prime factorization of 20921692 is 2 × 2 × 11 × 241 × 1973.
Since it has a total of 5 prime factors.
1 , 8 , 24 , 21 , 611 , 190 , 8987 , 2605 , 70114 , 9868 , 883524 , 277558 , 5719587 , 5613148 , 75132935 , 23783247 , 768194403 , 90605319 , 3085520940 , 6550546862
n×2
41843384
n×3
62765076
n×4
83686768
n×5
104608460
n÷2
10460846
n÷3
6973897.3333333
n÷3
5230423
n÷5
4184338.4
n2
437717196142864
n3
9.1577843608046E+21
n4
1.9159634379917E+29
n5
4.0085196932924E+36
2 √n
4574.0236116575
3 √n
275.54906060056
4 √n
67.631528236892
5 √n
29.115172052609
1 , 2 , 4 , 11 , 22 , 44 , 241 , 482 , 964 , 1973 , 2651 , 3946 , 5302 , 7892 , 10604 , 21703 , 43406 , 86812 , 475493 , 950986 , 1901972 , 5230423 , 10460846 , 20921692
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921691
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921692 can be divided by 24 positive divisors.
The sum of these divisors (counting 20921692) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110011110101011100
3
Ternary
1110100221011111
4
Quaternary
1033303311130
5
Quinary
20323443232
6
Senary
2024231404
8
Octal
117636534
10
Decimal
20921692
12
Duodecimal
700b564
16
Hexadecimal
13f3d5c
20
Vigesimal
6af44c
36
Base36
cgfa4
md5
506557bc5f87173fadb2c17ffcbb8a13
sha1
bf3d2a8cd883146c630273d1d0a71fafc21ff48c
sha256
0b91a60fe831bb25e21cb66837e9169f85eea11bc73f0c25cd9099a00786f7a8
sha512
8bd36368927dec56cc743c4a192332713b5f028b06d55a7c47a8e911513c6cc19c7ca37e697298eb0ba3202ecdfde958e0f1de0a4d6cbb2248bab5cadebbdfce
ripemd-160
ca214cc77fbe40d41942b95b1440571223410b11
Diameter
41843384
Circumference
131454867.77574
Area
1.3751291277523E+15
Volume
3.8360037428084E+22
Surface area
5.5005165110094E+15
Circumference
131454867.77574
Perimeter
83686768
Area
437717196142864
Diagonal
29587740.574193
Surface area
2626303176857184
Volume
9.1577843608046E+21
Space diagonal
36237433.524307
Perimeter
62765076
Area
1.8953710576651E+14
Altitude
18118716.762154
Surface area
1.8953710576651E+14
Volume
1.0792552370282E+21
Height
9862580.1913976