13123921 is an odd 8-digits composite number following 13123920
and preceding 13123922 . In scientific notation, it is written as 1.3123921 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 12671344 positive integers (up to 13123921) that are relatively prime to 13123921.
13123921 has 4 divisors, whose sum is 13576500
The reverse of 13123921 is 12932131
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
thirteen million one hundred twenty-three thousand nine hundred twenty-one
Scientific notation
1.3123921 × 10^7
Engineering notation
1.3123921 × 10^6
Prime Factorization
29 × 452549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13123921
Product of the distinct prime numbers
The prime factorization of 13123921 is 29 × 452549.
Since it has a total of 2 prime factors.
7 , 8 , 48 , 11 , 846 , 689 , 6229 , 1289 , 22954 , 17010 , 94022 , 534987 , 5021900 , 4451218 , 11222478 , 9448530 , 42966633 , 856149161 , 9430337298 , 5231938410
n×2
26247842
n×3
39371763
n×4
52495684
n×5
65619605
n÷2
6561960.5
n÷3
4374640.3333333
n÷3
3280980.25
n÷5
2624784.2
n2
172237302414241
n3
2.2604287501376E+21
n4
2.9665688342935E+28
n5
3.893301502233E+35
2 √n
3622.6952673389
3 √n
235.87823484909
4 √n
60.188830087807
5 √n
26.522393946189
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
-13123920
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 13123921 can be divided by 4 positive divisors.
The sum of these divisors (counting 13123921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010000100000101010001
3
Ternary
220200202122011
4
Quaternary
302010011101
5
Quinary
11324431141
6
Senary
1145142521
8
Octal
62040521
10
Decimal
13123921
12
Duodecimal
448aa41
16
Hexadecimal
c84151
20
Vigesimal
4209g1
36
Base36
7tahd
md5
a620b514fef1aab305a82fb7345451da
sha1
67398a7a727150d4c0f4bb9cf9f22179d08dd940
sha256
2b62ea246f4e8d9fab790b90e8842b7877e3277b4f859b4aeca986751d1337ad
sha512
cabb51d6a43be8e8621dc0ab33d854801fee85c82dc082c301eb387ba2fd6980e205126fba98384f8cf589bc7c1f005960a6607cea3807804cb3addc655b48f4
ripemd-160
0e02491850ae13ed089a7673c87c857a0b5f6948
Diameter
26247842
Circumference
82460027.599786
Area
5.410994439387E+14
Volume
9.468461807194E+21
Surface area
2.1643977757548E+15
Circumference
82460027.599786
Perimeter
52495684
Area
172237302414241
Diagonal
18560027.069713
Surface area
1033423814485446
Volume
2.2604287501376E+21
Space diagonal
22731297.96652
Perimeter
39371763
Area
74580939685018
Altitude
11365648.98326
Surface area
74580939685018
Volume
2.6639408293522E+20
Height
6186675.6899044