21082904 is an even 8-digits composite number following 21082903
and preceding 21082905 . In scientific notation, it is written as 2.1082904 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 10002432 positive integers (up to 21082904) that are relatively prime to 21082904.
21082904 has 32 divisors, whose sum is 41580000
The reverse of 21082904 is 40928012
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million eighty-two thousand nine hundred four
Scientific notation
2.1082904 × 10^7
Engineering notation
2.1082904 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 149 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5270726
Product of the distinct prime numbers
The prime factorization of 21082904 is 2 × 2 × 2 × 23 × 149 × 769.
Since it has a total of 6 prime factors.
10 , 1 , 33 , 47 , 108 , 749 , 9560 , 2509 , 87120 , 86666 , 125493 , 365522 , 2704415 , 2347657 , 92055894 , 11346617 , 411593037 , 725690147 , 7332104558 , 3703584476
n×2
42165808
n×3
63248712
n×4
84331616
n×5
105414520
n÷2
10541452
n÷3
7027634.6666667
n÷3
5270726
n÷5
4216580.8
n2
444488841073216
n3
9.3711155654179E+21
n4
1.9757032983861E+29
n5
4.1653562972358E+36
2 √n
4591.6123529758
3 √n
276.254997828
4 √n
67.761437063981
5 √n
29.15990375675
1 , 2 , 4 , 8 , 23 , 46 , 92 , 149 , 184 , 298 , 596 , 769 , 1192 , 1538 , 3076 , 3427 , 6152 , 6854 , 13708 , 17687 , 27416 , 35374 , 70748 , 114581 , 141496 , 229162 , 458324 , 916648 , 2635363 , 5270726 , 10541452 , 21082904
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
-21082903
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 21082904 can be divided by 32 positive divisors.
The sum of these divisors (counting 21082904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011011001100011000
3
Ternary
1110200010022022
4
Quaternary
1100123030120
5
Quinary
20344123104
6
Senary
2031514012
8
Octal
120331430
10
Decimal
21082904
12
Duodecimal
7088908
16
Hexadecimal
141b318
20
Vigesimal
6bf754
36
Base36
cjvo8
md5
f78585d6fe863846d39ce7c8cf0d8fe0
sha1
87893279fcfe054162e20563ea1be83155a2b70f
sha256
d3d754c039b213851d5bcbef64c67b3f62c2494eb3b804c6f0b149983cf6658f
sha512
64f17ca5c7cbc85bd9d4a24c4b8c7412544c9bd5cb085e30d32c7fa18a89a38d14280a1946b2244afa7a5c0861460204eec0e9a48a1ad3cb25db8ad5719873a4
ripemd-160
c986a927f35af4e586b16154df6487458ceb05c4
Diameter
42165808
Circumference
132467792.64548
Area
1.3964028777183E+15
Volume
3.9253637088344E+22
Surface area
5.585611510873E+15
Circumference
132467792.64548
Perimeter
84331616
Area
444488841073216
Diagonal
29815728.77101
Surface area
2666933046439296
Volume
9.3711155654179E+21
Space diagonal
36516660.899097
Perimeter
63248712
Area
1.9246931403405E+14
Altitude
18258330.449549
Surface area
1.9246931403405E+14
Volume
1.1043965605983E+21
Height
9938576.2570033