21082817 is an odd 8-digits composite number following 21082816
and preceding 21082818 . In scientific notation, it is written as 2.1082817 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17729712 positive integers (up to 21082817) that are relatively prime to 21082817.
21082817 has 8 divisors, whose sum is 24549696
The reverse of 21082817 is 71828012
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-two thousand eight hundred seventeen
Scientific notation
2.1082817 × 10^7
Engineering notation
2.1082817 × 10^6
Prime Factorization
7 × 53 × 56827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082817
Product of the distinct prime numbers
The prime factorization of 21082817 is 7 × 53 × 56827.
Since it has a total of 3 prime factors.
9 , 10 , 46 , 88 , 612 , 424 , 3633 , 3196 , 8042 , 12858 , 621260 , 596840 , 9615589 , 3483848 , 47403200 , 22831389 , 396102780 , 951182497 , 9930206271 , 1158233118
n×2
42165634
n×3
63248451
n×4
84331268
n×5
105414085
n÷2
10541408.5
n÷3
7027605.6666667
n÷3
5270704.25
n÷5
4216563.4
n2
444485172655489
n3
9.3709995543091E+21
n4
1.9756706871058E+29
n5
4.1652703548516E+36
2 √n
4591.6028791698
3 √n
276.25461783262
4 √n
67.761367158358
5 √n
29.159879690655
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082816
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082817 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082817) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011001011000001
3
Ternary
1110200010012002
4
Quaternary
1100123023001
5
Quinary
20344122232
6
Senary
2031513345
8
Octal
120331301
10
Decimal
21082817
12
Duodecimal
7088855
16
Hexadecimal
141b2c1
20
Vigesimal
6bf70h
36
Base36
cjvlt
md5
6c4c780bf4622a391f78c4f4c7f6d901
sha1
2a0b444d000257c750f0dabd27c91df46dfbc3d2
sha256
4ea38faf1bc9cf2ca81bed4e071786480be8edd4a0f1ff4e595d8840860359f1
sha512
1cdce0c1adb7a4759c226c30bfd178a5629fd349999015c35d77c95b9d8b4af70ce753dba7eb180efa60ff5240eded1bef18c9c006f347f4f31321ea5af63768
ripemd-160
459116adaf92fdca60c2119021528da49c4d86bb
Diameter
42165634
Circumference
132467246.00836
Area
1.3963913530441E+15
Volume
3.9253151142147E+22
Surface area
5.5855654121763E+15
Circumference
132467246.00836
Perimeter
84331268
Area
444485172655489
Diagonal
29815605.73443
Surface area
2666911035932934
Volume
9.3709995543091E+21
Space diagonal
36516510.210677
Perimeter
63248451
Area
1.9246772556258E+14
Altitude
18258255.105338
Surface area
1.9246772556258E+14
Volume
1.104382888558E+21
Height
9938535.24481