21104986 is an even 8-digits composite number following 21104985
and preceding 21104987 . In scientific notation, it is written as 2.1104986 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8751960 positive integers (up to 21104986) that are relatively prime to 21104986.
21104986 has 16 divisors, whose sum is 36351936
The reverse of 21104986 is 68940112
Previous prime number is 217
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred four thousand nine hundred eighty-six
Scientific notation
2.1104986 × 10^7
Engineering notation
2.1104986 × 10^6
Prime Factorization
2 × 7 × 217 × 6947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21104986
Product of the distinct prime numbers
The prime factorization of 21104986 is 2 × 7 × 217 × 6947.
Since it has a total of 4 prime factors.
8 , 1 , 65 , 43 , 564 , 350 , 4114 , 7097 , 73259 , 94497 , 687796 , 858158 , 9941196 , 2537416 , 11225146 , 36041916 , 424290768 , 248206065 , 2501485624 , 8830093756
n×2
42209972
n×3
63314958
n×4
84419944
n×5
105524930
n÷2
10552493
n÷3
7034995.3333333
n÷3
5276246.5
n÷5
4220997.2
n2
445420434060196
n3
9.4005920249544E+21
n4
1.9839936307837E+29
n5
4.187215780178E+36
2 √n
4594.0163256131
3 √n
276.35141298216
4 √n
67.779173243801
5 √n
29.166009551235
1 , 2 , 7 , 14 , 217 , 434 , 1519 , 3038 , 6947 , 13894 , 48629 , 97258 , 1507499 , 3014998 , 10552493 , 21104986
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21104985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21104986 can be divided by 16 positive divisors.
The sum of these divisors (counting 21104986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000100101011010
3
Ternary
1110201020121011
4
Quaternary
1100200211122
5
Quinary
20400324421
6
Senary
2032204134
8
Octal
120404532
10
Decimal
21104986
12
Duodecimal
709964a
16
Hexadecimal
142095a
20
Vigesimal
6bi296
36
Base36
ckcpm
md5
7423ec120bc74cd2b8f1d45e2479885a
sha1
642271d73687b80febcd2facecc67738aad404c6
sha256
34fbf8188f6fce031c4cd1ce62c38d6f32d8c6d5b4d90261ea5499203803a5d4
sha512
d3c4d68ab692e7a12da747d8d4534d85c2d87cbf5ea480a62b893a68300861bf6e728a389774885aa5f3fc7edccf38ab6cd994c3ac4a7586a92851239e671372
ripemd-160
8ad448fbacc284ffba77e99d567c66e937e16fd1
Diameter
42209972
Circumference
132606537.94343
Area
1.3993295634023E+15
Volume
3.9377107793322E+22
Surface area
5.5973182536092E+15
Circumference
132606537.94343
Perimeter
84419944
Area
445420434060196
Diagonal
29846957.434894
Surface area
2672522604361176
Volume
9.4005920249544E+21
Space diagonal
36554908.04503
Perimeter
63314958
Area
1.9287270563041E+14
Altitude
18277454.022515
Surface area
1.9287270563041E+14
Volume
1.1078703946689E+21
Height
9948985.8116314