20943821 is an odd 8-digits prime number following 20943820
and preceding 20943822 . In scientific notation, it is written as 2.0943821 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 20943820 positive integers (up to 20943821) that are relatively prime to 20943821.
20943821 has 2 divisors, whose sum is 20943822
The reverse of 20943821 is 12834902
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred forty-three thousand eight hundred twenty-one
Scientific notation
2.0943821 × 10^7
Engineering notation
2.0943821 × 10^6
Prime Factorization
20943821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20943821
Product of the distinct prime numbers
The prime factorization of 20943821 is 20943821.
Since it has a total of 1 prime factors.
8 , 3 , 80 , 39 , 920 , 736 , 3821 , 812 , 65991 , 14972 , 203838 , 483424 , 8446000 , 1518232 , 78460423 , 28726457 , 87111313 , 151037707 , 2797964407 , 6891676517
n×2
41887642
n×3
62831463
n×4
83775284
n×5
104719105
n÷2
10471910.5
n÷3
6981273.6666667
n÷3
5235955.25
n÷5
4188764.2
n2
438643638080041
n3
9.1868738387372E+21
n4
1.9240824122809E+29
n5
4.029763763206E+36
2 √n
4576.4419585525
3 √n
275.64617633723
4 √n
67.649404716912
5 √n
29.12132850714
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20943822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10471911
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4576.4420678077
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999045064
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20943821 can be divided by 2 positive divisors.
The sum of these divisors (counting 20943821) is 20943822, the average is 10471911.
Base
System
Value
2
Binary
1001111111001001111001101
3
Ternary
1110102001112002
4
Quaternary
1033321033031
5
Quinary
20330200241
6
Senary
2024522045
8
Octal
117711715
10
Decimal
20943821
12
Duodecimal
7020325
16
Hexadecimal
13f93cd
20
Vigesimal
6ahjb1
36
Base36
cgwct
md5
0f53b87df3df08f3ef43299c6d54bd0f
sha1
71d6344b4186fdc890ff3957791466119eff076e
sha256
465dabf2073beb291998f185a76de0c7246e3db21d2732226320d33ac2c809d4
sha512
9583aaef912ff3d7a9d061cb2a0a9d86ebce8ea31295c9d2858ed71fc9d04bdd116143910da9b63a07972807c1781a7a4633921f6bacc4f1624c6a93545a5ea9
ripemd-160
0b0bb2f687ed5a10f8ff12df66238fb7df0503bf
Diameter
41887642
Circumference
131593908.3834
Area
1.3780396309362E+15
Volume
3.8481887148311E+22
Surface area
5.5121585237446E+15
Circumference
131593908.3834
Perimeter
83775284
Area
438643638080041
Diagonal
29619035.706114
Surface area
2631861828480246
Volume
9.1868738387372E+21
Space diagonal
36275762.076628
Perimeter
62831463
Area
1.8993826689287E+14
Altitude
18137881.038314
Surface area
1.8993826689287E+14
Volume
1.0826834648794E+21
Height
9873011.9020381