10721821 is an odd 8-digits composite number following 10721820
and preceding 10721822 . In scientific notation, it is written as 1.0721821 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 9747100 positive integers (up to 10721821) that are relatively prime to 10721821.
10721821 has 4 divisors, whose sum is 11696544
The reverse of 10721821 is 12812701
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
ten million seven hundred twenty-one thousand eight hundred twenty-one
Scientific notation
1.0721821 × 10^7
Engineering notation
1.0721821 × 10^6
Prime Factorization
11 × 974711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
10721821
Product of the distinct prime numbers
The prime factorization of 10721821 is 11 × 974711.
Since it has a total of 2 prime factors.
9 , 2 , 57 , 98 , 336 , 282 , 9550 , 9964 , 64892 , 95088 , 498071 , 4897 , 8080876 , 5870055 , 73769699 , 39167076 , 741197379 , 795882231 , 5863482266 , 1655365686
n×2
21443642
n×3
32165463
n×4
42887284
n×5
53609105
n÷2
5360910.5
n÷3
3573940.3333333
n÷3
2680455.25
n÷5
2144364.2
n2
114957445556041
n3
1.2325531538691E+21
n4
1.321521428877E+28
n5
1.4169116208084E+35
2 √n
3274.419185138
3 √n
220.50723868716
4 √n
57.222540883275
5 √n
25.471452461168
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
-10721820
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 10721821 can be divided by 4 positive divisors.
The sum of these divisors (counting 10721821) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000111001101000011101
3
Ternary
202011201120111
4
Quaternary
220321220131
5
Quinary
10221044241
6
Senary
1021450021
8
Octal
50715035
10
Decimal
10721821
12
Duodecimal
3710911
16
Hexadecimal
a39a1d
20
Vigesimal
3704b1
36
Base36
6dt0d
md5
f5542d2f7cddaff1ae3b01f3ce5f7d42
sha1
3e0087b31bc35e4856930120a30fd2a4df9a6b00
sha256
80ad0bfc25c7f858416d854cb41b8eef5d50a2269a2d5f12cf284d96e7fbac93
sha512
564604c951fc7fcae8554b409a48344e82f031efdf7a19fc5d56c087e3386cb7e5bfa3efc7a63d1199f6ff6bbcbb12afaf887a0e70d4eb2c22837e51d731f06c
ripemd-160
9f36cf67640f482e5329860f671bd7a0f76049c5
Diameter
21443642
Circumference
67367188.17341
Area
3.6114946643431E+14
Volume
5.1629065778055E+21
Surface area
1.4445978657372E+15
Circumference
67367188.17341
Perimeter
42887284
Area
114957445556041
Diagonal
15162944.671537
Surface area
689744673336246
Volume
1.2325531538691E+21
Space diagonal
18570738.721659
Perimeter
32165463
Area
49778034102849
Altitude
9285369.3608295
Surface area
49778034102849
Volume
1.4525778221229E+20
Height
5054314.8905122