20421912 is an even 8-digits composite number following 20421911
and preceding 20421913 . In scientific notation, it is written as 2.0421912 × 10^7.
The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors.
There are 5834784 positive integers (up to 20421912) that are relatively prime to 20421912.
20421912 has 32 divisors, whose sum is 58348800
The reverse of 20421912 is 21912402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred twenty-one thousand nine hundred twelve
Scientific notation
2.0421912 × 10^7
Engineering notation
2.0421912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 7 × 121559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5105478
Product of the distinct prime numbers
The prime factorization of 20421912 is 2 × 2 × 2 × 3 × 7 × 121559.
Since it has a total of 6 prime factors.
7 , 2 , 53 , 23 , 113 , 948 , 2378 , 3052 , 90433 , 15752 , 499554 , 218660 , 3727060 , 4414705 , 107142 , 54567926 , 821155816 , 600098 , 3462675391 , 6418594271
n×2
40843824
n×3
61265736
n×4
81687648
n×5
102109560
n÷2
10210956
n÷3
6807304
n÷3
5105478
n÷5
4084382.4
n2
417054489735744
n3
8.5170500885883E+21
n4
1.7393444740874E+29
n5
3.55207397875E+36
2 √n
4519.060964404
3 √n
273.33723703857
4 √n
67.223961237077
5 √n
28.974722153571
1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 21 , 24 , 28 , 42 , 56 , 84 , 168 , 121559 , 243118 , 364677 , 486236 , 729354 , 850913 , 972472 , 1458708 , 1701826 , 2552739 , 2917416 , 3403652 , 5105478 , 6807304 , 10210956 , 20421912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421912 can be divided by 32 positive divisors.
The sum of these divisors (counting 20421912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101111001110100011000
3
Ternary
1102102112121010
4
Quaternary
1031321310120
5
Quinary
20212000122
6
Senary
2005413520
8
Octal
115716430
10
Decimal
20421912
12
Duodecimal
6a0a2a0
16
Hexadecimal
1379d18
20
Vigesimal
67cefc
36
Base36
c5pnc
md5
26fe26c9f25748a95c67bd367300d445
sha1
0d337d02270f6fd9dd7b6bfc9f9937598dddd345
sha256
8e4665bc77d4933424a3be87aaeeb3570b4593445f7e68866f07e290226a49eb
sha512
4a057a71bdf2fcd85f33672178696116146898977d54ce51a76dc61b54a7f86b5dfed7c8c0c8f5bc436c285af36eea4086768d0885ac9912d4a22c8225747900
ripemd-160
f8aee069f8ecb458c457e181b165465be33ae2ed
Diameter
40843824
Circumference
128314657.42291
Area
1.3102153211005E+15
Volume
3.5676135984754E+22
Surface area
5.2408612844018E+15
Circumference
128314657.42291
Perimeter
81687648
Area
417054489735744
Diagonal
28880944.91999
Surface area
2502326938414464
Volume
8.5170500885883E+21
Space diagonal
35371789.171701
Perimeter
61265736
Area
1.8058989143676E+14
Altitude
17685894.58585
Surface area
1.8058989143676E+14
Volume
1.003743978891E+21
Height
9626981.6399966