21604940 is an even 8-digits composite number following 21604939
and preceding 21604941 . In scientific notation, it is written as 2.1604940 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 7407360 positive integers (up to 21604940) that are relatively prime to 21604940.
21604940 has 24 divisors, whose sum is 51852192
The reverse of 21604940 is 04940612
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million six hundred four thousand nine hundred forty
Scientific notation
2.1604940 × 10^7
Engineering notation
2.1604940 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 154321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10802470
Product of the distinct prime numbers
The prime factorization of 21604940 is 2 × 2 × 7 × 5 × 154321.
Since it has a total of 5 prime factors.
6 , 5 , 18 , 100 , 792 , 218 , 6629 , 7783 , 12150 , 12937 , 643975 , 423996 , 4113186 , 6272548 , 32060541 , 11689291 , 318603646 , 439946794 , 7127281629 , 5367314668
n×2
43209880
n×3
64814820
n×4
86419760
n×5
108024700
n÷2
10802470
n÷3
7201646.6666667
n÷3
5401235
n÷5
4320988
n2
466773432403600
n3
1.0084612000674E+22
n4
2.1787743719784E+29
n5
4.7072289580131E+36
2 √n
4648.1114444471
3 √n
278.51655936958
4 √n
68.177059517459
5 √n
29.302900668325
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 154321 , 308642 , 617284 , 771605 , 1080247 , 1543210 , 2160494 , 3086420 , 4320988 , 5401235 , 10802470 , 21604940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21604939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21604940 can be divided by 24 positive divisors.
The sum of these divisors (counting 21604940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010011010101001001100
3
Ternary
1111122122101222
4
Quaternary
1102122221030
5
Quinary
21012324230
6
Senary
2051022512
8
Octal
122325114
10
Decimal
21604940
12
Duodecimal
729aa38
16
Hexadecimal
149aa4c
20
Vigesimal
6f0c70
36
Base36
cv2h8
md5
35e4fb2cdb8b3c020f486427329b63e6
sha1
1c54211917d53e73b063f53ba72d6ffcdd291533
sha256
a413f97e631c0f20d3e823f7a6a85e785eb51a42dd563ced52873618a9ff6e3d
sha512
a2491df5cf543e6f9b016fadab5279ab13913a8774a6d3fb05825d74c278a16de02713281ef8e7a951cde0df0f2e8956693924b5e0313beb906027b3e8a353b1
ripemd-160
aeb43564b50afd8567511450c1b9eedcb91f69f3
Diameter
43209880
Circumference
135747841.5705
Area
1.46641198613E+15
Volume
4.2242323967494E+22
Surface area
5.8656479445202E+15
Circumference
135747841.5705
Perimeter
86419760
Area
466773432403600
Diagonal
30553999.162257
Surface area
2800640594421600
Volume
1.0084612000674E+22
Space diagonal
37420853.774477
Perimeter
64814820
Area
2.0211882513659E+14
Altitude
18710426.887239
Surface area
2.0211882513659E+14
Volume
1.1884829218853E+21
Height
10184666.387419