21013668 is an even 8-digits composite number following 21013667
and preceding 21013669 . In scientific notation, it is written as 2.1013668 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6461856 positive integers (up to 21013668) that are relatively prime to 21013668.
21013668 has 24 divisors, whose sum is 41000960
The reverse of 21013668 is 86631012
Previous prime number is 351
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirteen thousand six hundred sixty-eight
Scientific notation
2.1013668 × 10^7
Engineering notation
2.1013668 × 10^6
Prime Factorization
2 × 2 × 9 × 351 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10506834
Product of the distinct prime numbers
The prime factorization of 21013668 is 2 × 2 × 9 × 351 × 1663.
Since it has a total of 5 prime factors.
2 , 7 , 14 , 44 , 720 , 734 , 2112 , 4942 , 92366 , 24775 , 257970 , 719332 , 174444 , 287220 , 19274611 , 10411434 , 698143578 , 170571194 , 1108273344 , 5327846426
n×2
42027336
n×3
63041004
n×4
84054672
n×5
105068340
n÷2
10506834
n÷3
7004556
n÷3
5253417
n÷5
4202733.6
n2
441574242814224
n3
9.2790945358495E+21
n4
1.9498781191696E+29
n5
4.0974091436693E+36
2 √n
4584.0667534407
3 √n
275.9522601739
4 √n
67.70573648843
5 √n
29.140726395119
1 , 2 , 4 , 9 , 18 , 36 , 351 , 702 , 1404 , 1663 , 3159 , 3326 , 6318 , 6652 , 12636 , 14967 , 29934 , 59868 , 583713 , 1167426 , 2334852 , 5253417 , 10506834 , 21013668
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
-21013667
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 21013668 can be divided by 24 positive divisors.
The sum of these divisors (counting 21013668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001010010010100100
3
Ternary
1110112121100000
4
Quaternary
1100022102210
5
Quinary
20334414133
6
Senary
2030221300
8
Octal
120122244
10
Decimal
21013668
12
Duodecimal
7054830
16
Hexadecimal
140a4a4
20
Vigesimal
6b6e38
36
Base36
cie90
md5
1d6cca0035c1cf727fd06b20d1658a15
sha1
33204706faae6ea45d1a1f69fd0f7929332b6a63
sha256
d692870f5216eeb663aea7cdb3cd794f76353de2400a7c87a85bff14ec292dbc
sha512
21b44ddcd26c639a174d6f636b747de8a250a7514dc8539d669795e918663fc5f60eb797830c2b5fe628a62a290647152b7d6924fc529d3801b5f543cff54f21
ripemd-160
5ea978b09263246c996ca18b5f612dc291e65dbd
Diameter
42027336
Circumference
132032770.02755
Area
1.3872463972396E+15
Volume
3.8868180301053E+22
Surface area
5.5489855889586E+15
Circumference
132032770.02755
Perimeter
84054672
Area
441574242814224
Diagonal
29717814.280806
Surface area
2649445456885344
Volume
9.2790945358495E+21
Space diagonal
36396740.629384
Perimeter
63041004
Area
1.91207255967E+14
Altitude
18198370.314692
Surface area
1.91207255967E+14
Volume
1.0935517782617E+21
Height
9905938.0936018