21463821 is an odd 8-digits composite number following 21463820
and preceding 21463822 . In scientific notation, it is written as 2.1463821 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14309208 positive integers (up to 21463821) that are relatively prime to 21463821.
21463821 has 4 divisors, whose sum is 23848700
The reverse of 21463821 is 12836412
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred sixty-three thousand eight hundred twenty-one
Scientific notation
2.1463821 × 10^7
Engineering notation
2.1463821 × 10^6
Prime Factorization
9 × 2384869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21463821
Product of the distinct prime numbers
The prime factorization of 21463821 is 9 × 2384869.
Since it has a total of 2 prime factors.
7 , 5 , 14 , 30 , 360 , 693 , 3894 , 8594 , 95540 , 57924 , 825301 , 777308 , 5713083 , 3342778 , 27982279 , 5362381 , 102290092 , 374625482 , 7903816923 , 5624404086
n×2
42927642
n×3
64391463
n×4
85855284
n×5
107319105
n÷2
10731910.5
n÷3
7154607
n÷3
5365955.25
n÷5
4292764.2
n2
460695611920041
n3
9.8882881497372E+21
n4
2.1224044684238E+29
n5
4.5554909599849E+36
2 √n
4632.9063232489
3 √n
277.90883006653
4 √n
68.065456167199
5 √n
29.264520162068
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21463820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21463821 can be divided by 4 positive divisors.
The sum of these divisors (counting 21463821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111000001100001101
3
Ternary
1111101110211100
4
Quaternary
1101320030031
5
Quinary
20443320241
6
Senary
2044013313
8
Octal
121701415
10
Decimal
21463821
12
Duodecimal
7231239
16
Hexadecimal
147830d
20
Vigesimal
6e2jb1
36
Base36
cs1l9
md5
fc8a46646c1472723782a91a49dec708
sha1
0be48d35401d2535c19454438ff7e0e84b8cd981
sha256
c70f58eee91140022f6d700df761d34b884a95dc55ded3d4c1cbc77e1592f0cf
sha512
dd7e17324286810d6d28e9ad9dd47f3c5514a230ea4780de2f1faff5c9cd133b69f6890347292e7a899ca19c856df68e1c45c8fc353aee096dce3777626a0814
ripemd-160
be269cb5cfeea863fef011f9342ef13061386f2a
Diameter
42927642
Circumference
134861164.74313
Area
1.4473179499491E+15
Volume
4.1419964543725E+22
Surface area
5.7892717997962E+15
Circumference
134861164.74313
Perimeter
85855284
Area
460695611920041
Diagonal
30354426.758548
Surface area
2764173671520246
Volume
9.8882881497372E+21
Space diagonal
37176428.496564
Perimeter
64391463
Area
1.9948705166739E+14
Altitude
18588214.248282
Surface area
1.9948705166739E+14
Volume
1.1653459341676E+21
Height
10118142.252849