21086916 is an even 8-digits composite number following 21086915
and preceding 21086917 . In scientific notation, it is written as 2.1086916 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 6988992 positive integers (up to 21086916) that are relatively prime to 21086916.
21086916 has 24 divisors, whose sum is 49482720
The reverse of 21086916 is 61968012
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-six thousand nine hundred sixteen
Scientific notation
2.1086916 × 10^7
Engineering notation
2.1086916 × 10^6
Prime Factorization
2 × 2 × 3 × 179 × 9817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10543458
Product of the distinct prime numbers
The prime factorization of 21086916 is 2 × 2 × 3 × 179 × 9817.
Since it has a total of 5 prime factors.
6 , 1 , 27 , 4 , 346 , 233 , 2734 , 1051 , 33974 , 53847 , 734130 , 364120 , 3619655 , 2318778 , 9188136 , 86681761 , 600528947 , 888392699 , 1197100968 , 1076936110
n×2
42173832
n×3
63260748
n×4
84347664
n×5
105434580
n÷2
10543458
n÷3
7028972
n÷3
5271729
n÷5
4217383.2
n2
444658026391056
n3
9.376466451234E+21
n4
1.9772076043399E+29
n5
4.1693210667277E+36
2 √n
4592.0492157641
3 √n
276.27252015722
4 √n
67.764660522754
5 √n
29.161013477022
1 , 2 , 3 , 4 , 6 , 12 , 179 , 358 , 537 , 716 , 1074 , 2148 , 9817 , 19634 , 29451 , 39268 , 58902 , 117804 , 1757243 , 3514486 , 5271729 , 7028972 , 10543458 , 21086916
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
-21086915
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 21086916 can be divided by 24 positive divisors.
The sum of these divisors (counting 21086916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011100001011000100
3
Ternary
1110200022210220
4
Quaternary
1100130023010
5
Quinary
20344240131
6
Senary
2031544340
8
Octal
120341304
10
Decimal
21086916
12
Duodecimal
708b0b0
16
Hexadecimal
141c2c4
20
Vigesimal
6bfh5g
36
Base36
cjyro
md5
41b8e6108ef110f88a87150d8d8382c5
sha1
c081fa1cd26495074da01968aef4bbe51c6f986b
sha256
f774bda85e429a906ed04912c6e079a870803d1192933141818dc827a918184b
sha512
1903c2d8c0c5c4a7389e5b20894632a9971ac781545697e947573930dd56e14d4517b325af4e4a8cc0cce6bfacce80ae76a9159e0778c5b29a3344a9c667e374
ripemd-160
8807669cccf202b4e1b474bd5647f12cf86ad89a
Diameter
42173832
Circumference
132493000.78493
Area
1.3969343890699E+15
Volume
3.9276050826437E+22
Surface area
5.5877375562795E+15
Circumference
132493000.78493
Perimeter
84347664
Area
444658026391056
Diagonal
29821402.595822
Surface area
2667948158346336
Volume
9.376466451234E+21
Space diagonal
36523609.886937
Perimeter
63260748
Area
1.9254257342565E+14
Altitude
18261804.943469
Surface area
1.9254257342565E+14
Volume
1.1050271685393E+21
Height
9940467.5319407