20421854 is an even 8-digits composite number following 20421853
and preceding 20421855 . In scientific notation, it is written as 2.0421854 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors.
There are 9434880 positive integers (up to 20421854) that are relatively prime to 20421854.
20421854 has 32 divisors, whose sum is 33094656
The reverse of 20421854 is 45812402
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred twenty-one thousand eight hundred fifty-four
Scientific notation
2.0421854 × 10^7
Engineering notation
2.0421854 × 10^6
Prime Factorization
2 × 41 × 127 × 37 × 53
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20421854
Product of the distinct prime numbers
The prime factorization of 20421854 is 2 × 41 × 127 × 37 × 53.
Since it has a total of 5 prime factors.
2 , 1 , 2 , 48 , 836 , 492 , 7506 , 4461 , 48201 , 84290 , 907133 , 359232 , 7793696 , 3802819 , 2134719 , 12445009 , 158350515 , 805143712 , 7996679724 , 9783201108
n×2
40843708
n×3
61265562
n×4
81687416
n×5
102109270
n÷2
10210927
n÷3
6807284.6666667
n÷3
5105463.5
n÷5
4084370.8
n2
417052120797316
n3
8.5169775213132E+21
n4
1.7393247146154E+29
n5
3.5520235380467E+36
2 √n
4519.054547137
3 √n
273.33697827118
4 √n
67.223913506557
5 √n
28.974705695408
1 , 2 , 37 , 41 , 53 , 74 , 82 , 106 , 127 , 254 , 1517 , 1961 , 2173 , 3034 , 3922 , 4346 , 4699 , 5207 , 6731 , 9398 , 10414 , 13462 , 80401 , 160802 , 192659 , 249047 , 275971 , 385318 , 498094 , 551942 , 10210927 , 20421854
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
-20421853
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 20421854 can be divided by 32 positive divisors.
The sum of these divisors (counting 20421854) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101111001110011011110
3
Ternary
1102102112111222
4
Quaternary
1031321303132
5
Quinary
20211444404
6
Senary
2005413342
8
Octal
115716336
10
Decimal
20421854
12
Duodecimal
6a0a252
16
Hexadecimal
1379cde
20
Vigesimal
67cece
36
Base36
c5plq
md5
49ee7a366c1d4f77cb5956d17fb8989a
sha1
de4565f03442c9bda907cf24b5c279635499f7f3
sha256
4963c58184c391e5cbbf405cb02ec40f47d3c3a20a342c44a40e2e3d59c162c5
sha512
9fd5b1d0ae5acd1f7c2f933020caf96281367d910019c2c44565fbcd2b3b577c48182546765307a88d3d1c5b79f6190cd9f33c0d2a9bcc3b3eaf9bcacaade082
ripemd-160
d2d7d24e7525dfcff619700967698727d6b52536
Diameter
40843708
Circumference
128314292.99817
Area
1.3102078788609E+15
Volume
3.5675832015662E+22
Surface area
5.2408315154436E+15
Circumference
128314292.99817
Perimeter
81687416
Area
417052120797316
Diagonal
28880862.895603
Surface area
2502312724783896
Volume
8.5169775213132E+21
Space diagonal
35371688.712754
Perimeter
61265562
Area
1.8058886565633E+14
Altitude
17685844.356377
Surface area
1.8058886565633E+14
Volume
1.0037354267557E+21
Height
9626954.2985344