20696821 is an odd 8-digits composite number following 20696820
and preceding 20696822 . In scientific notation, it is written as 2.0696821 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20538700 positive integers (up to 20696821) that are relatively prime to 20696821.
20696821 has 4 divisors, whose sum is 20854944
The reverse of 20696821 is 12869602
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred ninety-six thousand eight hundred twenty-one
Scientific notation
2.0696821 × 10^7
Engineering notation
2.0696821 × 10^6
Prime Factorization
131 × 157991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20696821
Product of the distinct prime numbers
The prime factorization of 20696821 is 131 × 157991.
Since it has a total of 2 prime factors.
2 , 2 , 11 , 20 , 187 , 257 , 8023 , 1356 , 30403 , 60506 , 518744 , 914132 , 9386706 , 5741839 , 95739423 , 26737870 , 734491556 , 316707162 , 9583921885 , 3736494697
n×2
41393642
n×3
62090463
n×4
82787284
n×5
103484105
n÷2
10348410.5
n÷3
6898940.3333333
n÷3
5174205.25
n÷5
4139364.2
n2
428358399506041
n3
8.865657118423E+21
n4
1.8349091842738E+29
n5
3.797678693817E+36
2 √n
4549.3758912624
3 √n
274.55828150356
4 √n
67.449061455757
5 √n
29.052313954127
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20696820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20696821 can be divided by 4 positive divisors.
The sum of these divisors (counting 20696821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111100111011110101
3
Ternary
1102221111200221
4
Quaternary
1032330323311
5
Quinary
20244244241
6
Senary
2015334341
8
Octal
116747365
10
Decimal
20696821
12
Duodecimal
6b213b1
16
Hexadecimal
13bcef5
20
Vigesimal
697211
36
Base36
cblrp
md5
7a4cbe26eb7db444bd3668432310267b
sha1
a22369a00fbc0a87c1c2bd46c2f4cf1d0ad11ef2
sha256
fe677177603b9be45085ec8be399d063516a2fb95c14a69c61e751aa6113d712
sha512
9f7ebdee7f320590c97f544b5a21aa0215b7e87d085146c8eb9694995cfae6db11e293b98f3dbc95a9901c1e93894cd3c67c0679a3713ed5740c7ea669a8781b
ripemd-160
b1d2a10d6e00a720c4661803450d5b54970ed54a
Diameter
41393642
Circumference
130041961.61253
Area
1.3457276009917E+15
Volume
3.7136377696645E+22
Surface area
5.3829104039666E+15
Circumference
130041961.61253
Perimeter
82787284
Area
428358399506041
Diagonal
29269724.956208
Surface area
2570150397036246
Volume
8.865657118423E+21
Space diagonal
35847945.527158
Perimeter
62090463
Area
1.8548462794834E+14
Altitude
17923972.763579
Surface area
1.8548462794834E+14
Volume
1.044827711352E+21
Height
9756574.9854028