20921276 is an even 8-digits composite number following 20921275
and preceding 20921277 . In scientific notation, it is written as 2.0921276 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10439520 positive integers (up to 20921276) that are relatively prime to 20921276.
20921276 has 12 divisors, whose sum is 36686160
The reverse of 20921276 is 67212902
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand two hundred seventy-six
Scientific notation
2.0921276 × 10^7
Engineering notation
2.0921276 × 10^6
Prime Factorization
2 × 2 × 521 × 10039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10460638
Product of the distinct prime numbers
The prime factorization of 20921276 is 2 × 2 × 521 × 10039.
Since it has a total of 4 prime factors.
4 , 9 , 60 , 60 , 31 , 307 , 319 , 3638 , 23122 , 69181 , 740308 , 176705 , 7417976 , 1764746 , 70964023 , 49062909 , 66418460 , 917884889 , 4562483903 , 989752535
n×2
41842552
n×3
62763828
n×4
83685104
n×5
104606380
n÷2
10460638
n÷3
6973758.6666667
n÷3
5230319
n÷5
4184255.2
n2
437699789468176
n3
9.1572381006056E+21
n4
1.9158110570049E+29
n5
4.008121188745E+36
2 √n
4573.9781372455
3 √n
275.54723427968
4 √n
67.631192043653
5 √n
29.115056268398
1 , 2 , 4 , 521 , 1042 , 2084 , 10039 , 20078 , 40156 , 5230319 , 10460638 , 20921276
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
-20921275
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 20921276 can be divided by 12 positive divisors.
The sum of these divisors (counting 20921276) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111110011101110111100
3
Ternary
1110100220121002
4
Quaternary
1033303232330
5
Quinary
20323440101
6
Senary
2024225432
8
Octal
117635674
10
Decimal
20921276
12
Duodecimal
700b278
16
Hexadecimal
13f3bbc
20
Vigesimal
6af33g
36
Base36
cgeyk
md5
9f5f1701d4693bf295deccab7ed04854
sha1
2700406067962ed9071b3c17c0e7642bd39b7bba
sha256
3cced6ff1934b615d32bbf1d7b8b37ab0fe09ef329ac0102dc419601fcce89ae
sha512
8e05570f2b298f9ef9d6a6926cee3aa8470d5f492a85c8cba93ef9e2d46becd69cb5eb0292f685f5c9999e8b65740b613094059a6fcea8a355bc74e512f0fe9f
ripemd-160
bd6517406d23f51add87d1fbbcbba0923c79398c
Diameter
41842552
Circumference
131452253.97065
Area
1.375074443071E+15
Volume
3.8357749258713E+22
Surface area
5.5002977722841E+15
Circumference
131452253.97065
Perimeter
83685104
Area
437699789468176
Diagonal
29587152.261351
Surface area
2626198736809056
Volume
9.1572381006056E+21
Space diagonal
36236712.991171
Perimeter
62763828
Area
1.8952956845527E+14
Altitude
18118356.495586
Surface area
1.8952956845527E+14
Volume
1.0791908596463E+21
Height
9862384.0871169