21406516 is an even 8-digits composite number following 21406515
and preceding 21406517 . In scientific notation, it is written as 2.1406516 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10646840 positive integers (up to 21406516) that are relatively prime to 21406516.
21406516 has 12 divisors, whose sum is 37658880
The reverse of 21406516 is 61560412
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred six thousand five hundred sixteen
Scientific notation
2.1406516 × 10^7
Engineering notation
2.1406516 × 10^6
Prime Factorization
2 × 2 × 191 × 28019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10703258
Product of the distinct prime numbers
The prime factorization of 21406516 is 2 × 2 × 191 × 28019.
Since it has a total of 4 prime factors.
7 , 2 , 65 , 47 , 388 , 905 , 1883 , 3752 , 32001 , 8286 , 16234 , 30080 , 6009279 , 3369663 , 22089483 , 15120497 , 296476134 , 23389091 , 2391280784 , 7617128729
n×2
42813032
n×3
64219548
n×4
85626064
n×5
107032580
n÷2
10703258
n÷3
7135505.3333333
n÷3
5351629
n÷5
4281303.2
n2
458238927258256
n3
9.8092989281767E+21
n4
2.099829144548E+29
n5
4.4950026180032E+36
2 √n
4626.7176270008
3 √n
277.66128545836
4 √n
68.019979616292
5 √n
29.248877121294
1 , 2 , 4 , 191 , 382 , 764 , 28019 , 56038 , 112076 , 5351629 , 10703258 , 21406516
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21406515
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21406516 can be divided by 12 positive divisors.
The sum of these divisors (counting 21406516) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001101010001100110100
3
Ternary
1111021120012221
4
Quaternary
1101222030310
5
Quinary
20440002031
6
Senary
2042452124
8
Octal
121521464
10
Decimal
21406516
12
Duodecimal
7204044
16
Hexadecimal
146a334
20
Vigesimal
6dfg5g
36
Base36
cqtdg
md5
f1fcc69cb90d980934ae18d632779b50
sha1
3548af0346e0ee91d3cee4f59e30dc1df3205db2
sha256
d8a105933cf8b078a8a3a6b0c5b32fd59b6ed77095f0d796df174f3b8595308f
sha512
f97c28b1963509357f39f6ea7129dc1a7a02a804eccdf491972cc1d38ad96c5c109ca4d02abc7ef8636b3364f6e7ac7e1c0c0a00c936a5d4ddfbdba395a303b3
ripemd-160
9e72d754a756d248ffbbb4868d5e84355181d937
Diameter
42813032
Circumference
134501106.8091
Area
1.4396000474634E+15
Volume
4.1089095266168E+22
Surface area
5.7584001898536E+15
Circumference
134501106.8091
Perimeter
85626064
Area
458238927258256
Diagonal
30273385.250357
Surface area
2749433563549536
Volume
9.8092989281767E+21
Space diagonal
37077173.325036
Perimeter
64219548
Area
1.9842327600429E+14
Altitude
18538586.662518
Surface area
1.9842327600429E+14
Volume
1.1560369651333E+21
Height
10091128.416786