21365518 is an even 8-digits composite number following 21365517
and preceding 21365519 . In scientific notation, it is written as 2.1365518 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 10196032 positive integers (up to 21365518) that are relatively prime to 21365518.
21365518 has 16 divisors, whose sum is 33534000
The reverse of 21365518 is 81556312
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred sixty-five thousand five hundred eighteen
Scientific notation
2.1365518 × 10^7
Engineering notation
2.1365518 × 10^6
Prime Factorization
2 × 29 × 89 × 4139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21365518
Product of the distinct prime numbers
The prime factorization of 21365518 is 2 × 29 × 89 × 4139.
Since it has a total of 4 prime factors.
5 , 4 , 79 , 25 , 232 , 333 , 6026 , 5626 , 60829 , 67642 , 939735 , 533205 , 6597424 , 8302803 , 741533 , 17462544 , 838314600 , 890975681 , 221154606 , 9720519370
n×2
42731036
n×3
64096554
n×4
85462072
n×5
106827590
n÷2
10682759
n÷3
7121839.3333333
n÷3
5341379.5
n÷5
4273103.6
n2
456485359408324
n3
9.753046163175E+21
n4
2.0837888335415E+29
n5
4.4521227831229E+36
2 √n
4622.2849328011
3 √n
277.48391216963
4 √n
67.987388042203
5 √n
29.237664972918
1 , 2 , 29 , 58 , 89 , 178 , 2581 , 4139 , 5162 , 8278 , 120031 , 240062 , 368371 , 736742 , 10682759 , 21365518
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
-21365517
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 21365518 can be divided by 16 positive divisors.
The sum of these divisors (counting 21365518) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100000001100001110
3
Ternary
1111012110222111
4
Quaternary
1101200030032
5
Quinary
20432144033
6
Senary
2041534234
8
Octal
121401416
10
Decimal
21365518
12
Duodecimal
71a437a
16
Hexadecimal
146030e
20
Vigesimal
6dadfi
36
Base36
cpxqm
md5
e8dd60fd45a0b00c31da3d13c5663ef9
sha1
4bfa0ffa782a81bbeba755159e4ac48f07d7eeeb
sha256
b744c9c39cc5c50f5c38fe36ab976223f87d2d9e2f8070fdd80ed664daf38e61
sha512
bae63cdf9faa1ba9fb9618620a2ae25dc97fc7a58c5848529d77775b6e3a6850d3e0d792ee8a550fd49964f677a9847d0368dfb47935144a13693648045fbc00
ripemd-160
5cf3d6a268386ffe59b5964b70daf51a5fddcfe2
Diameter
42731036
Circumference
134243508.77788
Area
1.4340910515885E+15
Volume
4.0853464235137E+22
Surface area
5.7363642063539E+15
Circumference
134243508.77788
Perimeter
85462072
Area
456485359408324
Diagonal
30215405.322726
Surface area
2738912156449944
Volume
9.753046163175E+21
Space diagonal
37006162.706027
Perimeter
64096554
Area
1.9766395885164E+14
Altitude
18503081.353014
Surface area
1.9766395885164E+14
Volume
1.1494075132011E+21
Height
10071801.774242