21082988 is an even 8-digits composite number following 21082987
and preceding 21082989 . In scientific notation, it is written as 2.1082988 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 10541492 positive integers (up to 21082988) that are relatively prime to 21082988.
21082988 has 6 divisors, whose sum is 36895236
The reverse of 21082988 is 88928012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eighty-two thousand nine hundred eighty-eight
Scientific notation
2.1082988 × 10^7
Engineering notation
2.1082988 × 10^6
Prime Factorization
2 × 2 × 5270747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10541494
Product of the distinct prime numbers
The prime factorization of 21082988 is 2 × 2 × 5270747.
Since it has a total of 3 prime factors.
2 , 1 , 77 , 97 , 97 , 187 , 3219 , 364 , 33728 , 80421 , 312781 , 526328 , 7922013 , 8734324 , 9656861 , 45776163 , 255629506 , 724178811 , 1762117287 , 2460434619
n×2
42165976
n×3
63248964
n×4
84331952
n×5
105414940
n÷2
10541494
n÷3
7027662.6666667
n÷3
5270747
n÷5
4216597.6
n2
444492383008144
n3
9.3712275770521E+21
n4
1.9757347855226E+29
n5
4.1654392774355E+36
2 √n
4591.6215000803
3 √n
276.25536471909
4 √n
67.761504558859
5 √n
29.159926992903
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082988 can be divided by 6 positive divisors.
The sum of these divisors (counting 21082988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011011001101101100
3
Ternary
1110200010102102
4
Quaternary
1100123031230
5
Quinary
20344123423
6
Senary
2031514232
8
Octal
120331554
10
Decimal
21082988
12
Duodecimal
7088978
16
Hexadecimal
141b36c
20
Vigesimal
6bf798
36
Base36
cjvqk
md5
5b89f74a47a01d86a0d63998f1dec13d
sha1
de1ea9da4df2bb2adb3242800c91985da8286d45
sha256
1c37719f33ab3449b4e525e3b2566622118dfb1c76763f33e67be56b3cb5113f
sha512
1e9dded0f531ef537fff2f19a9a58b3d80632bce48e67855a365253ccff677f319aaa8464b0814cdcfa204d802a9e8bf3484b5ef93b4a48de6f1fbdeb3aa3e7c
ripemd-160
1e19c06281a32de0ff39c2bb29752368304d5b03
Diameter
42165976
Circumference
132468320.43304
Area
1.396414005035E+15
Volume
3.925410628158E+22
Surface area
5.58565602014E+15
Circumference
132468320.43304
Perimeter
84331952
Area
444492383008144
Diagonal
29815847.564949
Surface area
2666954298048864
Volume
9.3712275770521E+21
Space diagonal
36516806.391365
Perimeter
63248964
Area
1.9247084773687E+14
Altitude
18258403.195682
Surface area
1.9247084773687E+14
Volume
1.104409761296E+21
Height
9938615.8549831