20578421 is an odd 8-digits prime number following 20578420
and preceding 20578422 . In scientific notation, it is written as 2.0578421 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 20578420 positive integers (up to 20578421) that are relatively prime to 20578421.
20578421 has 2 divisors, whose sum is 20578422
The reverse of 20578421 is 12487502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred seventy-eight thousand four hundred twenty-one
Scientific notation
2.0578421 × 10^7
Engineering notation
2.0578421 × 10^6
Prime Factorization
20578421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20578421
Product of the distinct prime numbers
The prime factorization of 20578421 is 20578421.
Since it has a total of 1 prime factors.
7 , 2 , 38 , 85 , 425 , 148 , 9328 , 7256 , 75695 , 67306 , 733751 , 122880 , 5364525 , 3339306 , 77686413 , 71381104 , 933562402 , 437009763 , 8363412780 , 8003466741
n×2
41156842
n×3
61735263
n×4
82313684
n×5
102892105
n÷2
10289210.5
n÷3
6859473.6666667
n÷3
5144605.25
n÷5
4115684.2
n2
423471410853241
n3
8.714372974002E+21
n4
1.7932803581003E+29
n5
3.690287818002E+36
2 √n
4536.3444534118
3 √n
274.03372611299
4 √n
67.352390109125
5 √n
29.018997800989
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20578422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10289211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4536.3445636327
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999028108
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20578421 can be divided by 2 positive divisors.
The sum of these divisors (counting 20578421) is 20578422, the average is 10289211.
Base
System
Value
2
Binary
1001110100000000001110101
3
Ternary
1102201111021202
4
Quaternary
1032200001311
5
Quinary
20232002141
6
Senary
2013022245
8
Octal
116400165
10
Decimal
20578421
12
Duodecimal
6a84985
16
Hexadecimal
13a0075
20
Vigesimal
68c611
36
Base36
c92et
md5
d9bb72a943b500336a13369da3b4e0b6
sha1
8b58349fbbb889461b1073dad8c1e339a722ff1c
sha256
a705e12586f2631b7a95fbfe375053eacda871fc2011543d8ec4f4398a0b58ab
sha512
ae3275f40f0fbefaadf25a97da7b87deb1918855cc328aaa9dc844058f98130f77380c40b16453b6f9891623e6544784ded87ee0c2c4297d106228ca49528eab
ripemd-160
111589d736aa998b0d44791badcc76a258128fbf
Diameter
41156842
Circumference
129298032.47216
Area
1.3303746733418E+15
Volume
3.6502680154355E+22
Surface area
5.3214986933674E+15
Circumference
129298032.47216
Perimeter
82313684
Area
423471410853241
Diagonal
29102282.070423
Surface area
2540828465119446
Volume
8.714372974002E+21
Space diagonal
35642870.711542
Perimeter
61735263
Area
1.8336849978767E+14
Altitude
17821435.355771
Surface area
1.8336849978767E+14
Volume
1.0269987039509E+21
Height
9700760.6901411