21409916 is an even 8-digits composite number following 21409915
and preceding 21409917 . In scientific notation, it is written as 2.1409916 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 9731760 positive integers (up to 21409916) that are relatively prime to 21409916.
21409916 has 12 divisors, whose sum is 40873560
The reverse of 21409916 is 61990412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred nine thousand nine hundred sixteen
Scientific notation
2.1409916 × 10^7
Engineering notation
2.1409916 × 10^6
Prime Factorization
2 × 2 × 11 × 486589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10704958
Product of the distinct prime numbers
The prime factorization of 21409916 is 2 × 2 × 11 × 486589.
Since it has a total of 4 prime factors.
10 , 6 , 33 , 40 , 546 , 808 , 161 , 880 , 41603 , 62106 , 567216 , 641474 , 4760455 , 2926804 , 40313714 , 29319909 , 517027491 , 370437224 , 7398495697 , 5545511459
n×2
42819832
n×3
64229748
n×4
85639664
n×5
107049580
n÷2
10704958
n÷3
7136638.6666667
n÷3
5352479
n÷5
4281983.2
n2
458384503127056
n3
9.813973707652E+21
n4
2.1011635270704E+29
n5
4.4985734616841E+36
2 √n
4627.0850435236
3 √n
277.67598500738
4 √n
68.022680361212
5 √n
29.249806182938
1 , 2 , 4 , 11 , 22 , 44 , 486589 , 973178 , 1946356 , 5352479 , 10704958 , 21409916
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
-21409915
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 21409916 can be divided by 12 positive divisors.
The sum of these divisors (counting 21409916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001101011000001111100
3
Ternary
1111021201212212
4
Quaternary
1101223001330
5
Quinary
20440104131
6
Senary
2042515552
8
Octal
121530174
10
Decimal
21409916
12
Duodecimal
7205bb8
16
Hexadecimal
146b07c
20
Vigesimal
6dg4fg
36
Base36
cqvzw
md5
1b48f1f29620b47dd310498dd573b6fe
sha1
2d0cf932c0a93d8a496e1c815cdf561b77b6d019
sha256
28dd9338c3fcd874d3840e3d59319e37f2a2dc6ad0e13ffd2de21bd140534ec0
sha512
7cda364763592a932c83c064bd3e9b09bfd2c2942e55d1eaa3dbfa888369ee28e932229365e87981303bf71fb41bf8bf469167201ffe337e4c6023fd84993f89
ripemd-160
7c96d3ef443751308aaf6100da937159fcf68b73
Diameter
42819832
Circumference
134522469.63915
Area
1.4400573875434E+15
Volume
4.1108676936644E+22
Surface area
5.7602295501735E+15
Circumference
134522469.63915
Perimeter
85639664
Area
458384503127056
Diagonal
30278193.576469
Surface area
2750307018762336
Volume
9.813973707652E+21
Space diagonal
37083062.297782
Perimeter
64229748
Area
1.9848631220457E+14
Altitude
18541531.148891
Surface area
1.9848631220457E+14
Volume
1.1565878931779E+21
Height
10092731.192156