20421746 is an even 8-digits composite number following 20421745
and preceding 20421747 . In scientific notation, it is written as 2.0421746 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9451200 positive integers (up to 20421746) that are relatively prime to 20421746.
20421746 has 16 divisors, whose sum is 32997888
The reverse of 20421746 is 64712402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred twenty-one thousand seven hundred forty-six
Scientific notation
2.0421746 × 10^7
Engineering notation
2.0421746 × 10^6
Prime Factorization
2 × 23 × 31 × 14321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20421746
Product of the distinct prime numbers
The prime factorization of 20421746 is 2 × 23 × 31 × 14321.
Since it has a total of 4 prime factors.
8 , 10 , 80 , 20 , 955 , 725 , 9986 , 9352 , 65978 , 8336 , 690324 , 303399 , 5898255 , 7301082 , 18588495 , 34135648 , 668025785 , 804571891 , 3402641293 , 9944759001
n×2
40843492
n×3
61265238
n×4
81686984
n×5
102108730
n÷2
10210873
n÷3
6807248.6666667
n÷3
5105436.5
n÷5
4084349.2
n2
417047709688516
n3
8.5168423971406E+21
n4
1.7392879215644E+29
n5
3.5519296155055E+36
2 √n
4519.0425977191
3 √n
273.33649642714
4 √n
67.223824628766
5 √n
28.974675049074
1 , 2 , 23 , 31 , 46 , 62 , 713 , 1426 , 14321 , 28642 , 329383 , 443951 , 658766 , 887902 , 10210873 , 20421746
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421746 can be divided by 16 positive divisors.
The sum of these divisors (counting 20421746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111001110001110010
3
Ternary
1102102112100222
4
Quaternary
1031321301302
5
Quinary
20211443441
6
Senary
2005413042
8
Octal
115716162
10
Decimal
20421746
12
Duodecimal
6a0a182
16
Hexadecimal
1379c72
20
Vigesimal
67ce76
36
Base36
c5piq
md5
495e74152937a739f7c40fce05621069
sha1
c7b113516ef3f9e06e628f506bc65595ec5530e0
sha256
1d91109d6be56fdd0f2a92555d38d5dcb4cd92c8918c257e70f3d72e5b1f8db8
sha512
33a95b013581538aa65cde4502c0c7845db47315b8625525812c7a38c74686e29de7d453d213ef6c3cf4df4936f732e916799213de7e1f77c2f29a07ffca2e1b
ripemd-160
2598f946f952e0bc0046ae02815bb73c54721021
Diameter
40843492
Circumference
128313614.41415
Area
1.3101940209539E+15
Volume
3.5675266008852E+22
Surface area
5.2407760838156E+15
Circumference
128313614.41415
Perimeter
81686984
Area
417047709688516
Diagonal
28880710.160539
Surface area
2502286258131096
Volume
8.5168423971406E+21
Space diagonal
35371501.651266
Perimeter
61265238
Area
1.8058695559019E+14
Altitude
17685750.825633
Surface area
1.8058695559019E+14
Volume
1.0037195022192E+21
Height
9626903.3868462