20421884 is an even 8-digits composite number following 20421883
and preceding 20421885 . In scientific notation, it is written as 2.0421884 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 7926336 positive integers (up to 20421884) that are relatively prime to 20421884.
20421884 has 24 divisors, whose sum is 40961760
The reverse of 20421884 is 48812402
Previous prime number is 437
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred twenty-one thousand eight hundred eighty-four
Scientific notation
2.0421884 × 10^7
Engineering notation
2.0421884 × 10^6
Prime Factorization
2 × 2 × 7 × 437 × 1669
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10210942
Product of the distinct prime numbers
The prime factorization of 20421884 is 2 × 2 × 7 × 437 × 1669.
Since it has a total of 5 prime factors.
10 , 8 , 56 , 33 , 446 , 189 , 9042 , 1996 , 71890 , 9063 , 444251 , 154423 , 4571872 , 4889939 , 92859725 , 31700499 , 402267560 , 879481468 , 5859292047 , 8098763457
n×2
40843768
n×3
61265652
n×4
81687536
n×5
102109420
n÷2
10210942
n÷3
6807294.6666667
n÷3
5105471
n÷5
4084376.8
n2
417053346109456
n3
8.5170150560592E+21
n4
1.7393349350109E+29
n5
3.5520496279941E+36
2 √n
4519.0578664142
3 √n
273.33711211644
4 √n
67.22393819477
5 √n
28.974714208256
1 , 2 , 4 , 7 , 14 , 28 , 437 , 874 , 1669 , 1748 , 3059 , 3338 , 6118 , 6676 , 11683 , 12236 , 23366 , 46732 , 729353 , 1458706 , 2917412 , 5105471 , 10210942 , 20421884
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
-20421883
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 20421884 can be divided by 24 positive divisors.
The sum of these divisors (counting 20421884) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101111001110011111100
3
Ternary
1102102112120002
4
Quaternary
1031321303330
5
Quinary
20212000014
6
Senary
2005413432
8
Octal
115716374
10
Decimal
20421884
12
Duodecimal
6a0a278
16
Hexadecimal
1379cfc
20
Vigesimal
67cee4
36
Base36
c5pmk
md5
b53d423aae89e879c10ea361ff1e9a80
sha1
aeb8b2c30e2285a0bfff2e709a0a32768bf4f673
sha256
4716057d4b632b3fa1c32a4aa0b324bb4de05648fe2c78420945bf2afec6f43c
sha512
29798aea06ad603888dd349a19a1e8a543a51d919df6ac1fb51903b14a608dddf96b56c162f68d3982fce84b16a86fe4b928975e2d13faff340367f4cd208e50
ripemd-160
b57051231f6c012c540524bc94a3832927e54e54
Diameter
40843768
Circumference
128314481.49373
Area
1.3102117282925E+15
Volume
3.5675989240839E+22
Surface area
5.24084691317E+15
Circumference
128314481.49373
Perimeter
81687536
Area
417053346109456
Diagonal
28880905.32201
Surface area
2502320076656736
Volume
8.5170150560592E+21
Space diagonal
35371740.674278
Perimeter
61265652
Area
1.8058939623205E+14
Altitude
17685870.337139
Surface area
1.8058939623205E+14
Volume
1.0037398502679E+21
Height
9626968.44067