13121505 is an odd 8-digits composite number following 13121504
and preceding 13121506 . In scientific notation, it is written as 1.3121505 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 6907680 positive integers (up to 13121505) that are relatively prime to 13121505.
13121505 has 24 divisors, whose sum is 23038080
The reverse of 13121505 is 50512131
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
thirteen million one hundred twenty-one thousand five hundred five
Scientific notation
1.3121505 × 10^7
Engineering notation
1.3121505 × 10^6
Prime Factorization
3 × 3 × 5 × 79 × 3691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4373835
Product of the distinct prime numbers
The prime factorization of 13121505 is 3 × 3 × 5 × 79 × 3691.
Since it has a total of 5 prime factors.
4 , 9 , 28 , 17 , 531 , 392 , 6121 , 7925 , 96653 , 68960 , 235965 , 935832 , 4748451 , 2190944 , 79796781 , 31245573 , 895679728 , 543690533 , 860604492 , 4462335910
n×2
26243010
n×3
39364515
n×4
52486020
n×5
65607525
n÷2
6560752.5
n÷3
4373835
n÷3
3280376.25
n÷5
2624301
n2
172173893465025
n3
2.2591806039708E+21
n4
2.9643849590906E+28
n5
3.8897192062632E+35
2 √n
3622.361798606
3 √n
235.8637595819
4 √n
60.186059836195
5 √n
26.521417365748
1 , 3 , 5 , 9 , 15 , 45 , 79 , 237 , 395 , 711 , 1185 , 3555 , 3691 , 11073 , 18455 , 33219 , 55365 , 166095 , 291589 , 874767 , 1457945 , 2624301 , 4373835 , 13121505
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
-13121504
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 13121505 can be divided by 24 positive divisors.
The sum of these divisors (counting 13121505) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110010000011011111100001
3
Ternary
220200122022200
4
Quaternary
302003133201
5
Quinary
11324342010
6
Senary
1145123413
8
Octal
62033741
10
Decimal
13121505
12
Duodecimal
4489569
16
Hexadecimal
c837e1
20
Vigesimal
4203f5
36
Base36
7t8m9
md5
904ac733f3981c7f1c11adb6319e7280
sha1
e97a5331bb88eed931cedb4216b3930572332ea8
sha256
a3068d02bf5f5c91523017e312b0f85d356d253a06147ba55e160db39e3d1b2e
sha512
225d71112523bf775251722912127b6785330cdd165cd91f6d421330924ee7699018fdbdb49a02448cae818463b541374005316a74c1cbcd332fbf3e11e6080a
ripemd-160
69271cb68e795fa5d8335d4fac89d627869fa815
Diameter
26243010
Circumference
82444847.424083
Area
5.4090023884967E+14
Volume
9.4632335847563E+21
Surface area
2.1636009553987E+15
Circumference
82444847.424083
Perimeter
52486020
Area
172173893465025
Diagonal
18556610.329746
Surface area
1033043360790150
Volume
2.2591806039708E+21
Space diagonal
22727113.331769
Perimeter
39364515
Area
74553482804594
Altitude
11363556.665885
Surface area
74553482804594
Volume
2.6624698749881E+20
Height
6185536.7765821