20921446 is an even 8-digits composite number following 20921445
and preceding 20921447 . In scientific notation, it is written as 2.0921446 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8207136 positive integers (up to 20921446) that are relatively prime to 20921446.
20921446 has 16 divisors, whose sum is 31993920
The reverse of 20921446 is 64412902
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred twenty-one thousand four hundred forty-six
Scientific notation
2.0921446 × 10^7
Engineering notation
2.0921446 × 10^6
Prime Factorization
2 × 91 × 139 × 827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921446
Product of the distinct prime numbers
The prime factorization of 20921446 is 2 × 91 × 139 × 827.
Since it has a total of 4 prime factors.
4 , 2 , 59 , 96 , 285 , 166 , 9466 , 1532 , 34925 , 1805 , 722855 , 636623 , 2843394 , 1239996 , 48324879 , 67072718 , 807675768 , 319457591 , 6756825987 , 2008436604
n×2
41842892
n×3
62764338
n×4
83685784
n×5
104607230
n÷2
10460723
n÷3
6973815.3333333
n÷3
5230361.5
n÷5
4184289.2
n2
437706902730916
n3
9.1574613293121E+21
n4
1.9158733269829E+29
n5
4.0082840353313E+36
2 √n
4573.9967205935
3 √n
275.54798061566
4 √n
67.631329430919
5 √n
29.115103584284
1 , 2 , 91 , 139 , 182 , 278 , 827 , 1654 , 12649 , 25298 , 75257 , 114953 , 150514 , 229906 , 10460723 , 20921446
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
-20921445
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 20921446 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921446) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110001100110
3
Ternary
1110100220211101
4
Quaternary
1033303301212
5
Quinary
20323441241
6
Senary
2024230314
8
Octal
117636146
10
Decimal
20921446
12
Duodecimal
700b39a
16
Hexadecimal
13f3c66
20
Vigesimal
6af3c6
36
Base36
cgf3a
md5
1cbb503088f7159e088ca996ce8b04e1
sha1
21aa2d7c0c021bf51187db81d509ab63ba729de9
sha256
0e8c4ea6315e788bb7b8a1b746156a84d43eebf2c7d127abf74a2467191e05ee
sha512
4cce96ee32277d684dbad1b3a89a54ae2ba55d3f5ae41d664d2100403d73b4f68de9aa8129044883540601e1f705eaedcecf79fd1facb564bd8c759a7b3a60c2
ripemd-160
6183f2978fbe4effebd03075a5f77b47d0cd85be
Diameter
41842892
Circumference
131453322.11215
Area
1.375096790045E+15
Volume
3.8358684316933E+22
Surface area
5.50038716018E+15
Circumference
131453322.11215
Perimeter
83685784
Area
437706902730916
Diagonal
29587392.677656
Surface area
2626241416385496
Volume
9.1574613293121E+21
Space diagonal
36237007.439809
Perimeter
62764338
Area
1.8953264858839E+14
Altitude
18118503.719904
Surface area
1.8953264858839E+14
Volume
1.0792171674017E+21
Height
9862464.2258854