20421916 is an even 8-digits composite number following 20421915
and preceding 20421917 . In scientific notation, it is written as 2.0421916 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 9858800 positive integers (up to 20421916) that are relatively prime to 20421916.
20421916 has 12 divisors, whose sum is 36970920
The reverse of 20421916 is 61912402
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred twenty-one thousand nine hundred sixteen
Scientific notation
2.0421916 × 10^7
Engineering notation
2.0421916 × 10^6
Prime Factorization
2 × 2 × 29 × 176051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10210958
Product of the distinct prime numbers
The prime factorization of 20421916 is 2 × 2 × 29 × 176051.
Since it has a total of 4 prime factors.
7 , 3 , 94 , 75 , 77 , 477 , 8086 , 8753 , 26938 , 9460 , 642636 , 560463 , 9065217 , 5514670 , 2632795 , 92161259 , 792405002 , 973771260 , 5758489713 , 466965042
n×2
40843832
n×3
61265748
n×4
81687664
n×5
102109580
n÷2
10210958
n÷3
6807305.3333333
n÷3
5105479
n÷5
4084383.2
n2
417054653111056
n3
8.5170550932431E+21
n4
1.7393458368158E+29
n5
3.5520774574403E+36
2 √n
4519.0614069738
3 √n
273.33725488458
4 √n
67.223964528833
5 √n
28.974723288616
1 , 2 , 4 , 29 , 58 , 116 , 176051 , 352102 , 704204 , 5105479 , 10210958 , 20421916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421916 can be divided by 12 positive divisors.
The sum of these divisors (counting 20421916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111001110100011100
3
Ternary
1102102112121021
4
Quaternary
1031321310130
5
Quinary
20212000131
6
Senary
2005413524
8
Octal
115716434
10
Decimal
20421916
12
Duodecimal
6a0a2a4
16
Hexadecimal
1379d1c
20
Vigesimal
67cefg
36
Base36
c5png
md5
91be99465ab6ea954c409aaad1a51f30
sha1
d0ab96865a6c4e7277b038e646ebd9c602bf3b59
sha256
23a1da8c9106b4a762afbccd4af1f0abb3c1b3c7e5228405264aebd40d6dd7cc
sha512
0a81ce49421370de2bf78efc88d4175ab710f9cb5cd900914ca4d2612d8ae5c56ef4b8d3823ad8281095a812a3535c639c238a2c104bcb5fcf30535cbc46a6a3
ripemd-160
5048095970269a669dbe8c7b3cab78dfc1a53328
Diameter
40843832
Circumference
128314682.55566
Area
1.3102158343591E+15
Volume
3.5676156948203E+22
Surface area
5.2408633374365E+15
Circumference
128314682.55566
Perimeter
81687664
Area
417054653111056
Diagonal
28880950.576844
Surface area
2502327918666336
Volume
8.5170550932431E+21
Space diagonal
35371796.099904
Perimeter
61265748
Area
1.8058996218034E+14
Altitude
17685898.049952
Surface area
1.8058996218034E+14
Volume
1.0037445686953E+21
Height
9626983.5256147