13149721 is an odd 8-digits composite number following 13149720
and preceding 13149722 . In scientific notation, it is written as 1.3149721 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 10872576 positive integers (up to 13149721) that are relatively prime to 13149721.
13149721 has 24 divisors, whose sum is 15811200
The reverse of 13149721 is 12794131
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirteen million one hundred forty-nine thousand seven hundred twenty-one
Scientific notation
1.3149721 × 10^7
Engineering notation
1.3149721 × 10^6
Prime Factorization
13 × 23 × 17 × 13 × 199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1011517
Product of the distinct prime numbers
The prime factorization of 13149721 is 13 × 23 × 17 × 13 × 199.
Since it has a total of 5 prime factors.
10 , 2 , 39 , 15 , 104 , 648 , 1632 , 8808 , 16779 , 18556 , 997436 , 404260 , 8724262 , 6448012 , 64842955 , 68879752 , 778907882 , 871602449 , 8535038695 , 8787029248
n×2
26299442
n×3
39449163
n×4
52598884
n×5
65748605
n÷2
6574860.5
n÷3
4383240.3333333
n÷3
3287430.25
n÷5
2629944.2
n2
172915162377841
n3
2.2737861419383E+21
n4
2.9899653380155E+28
n5
3.9317209994575E+35
2 √n
3626.2544036512
3 √n
236.03270278403
4 √n
60.218389248229
5 √n
26.532813702839
1 , 13 , 17 , 23 , 169 , 199 , 221 , 299 , 391 , 2587 , 2873 , 3383 , 3887 , 4577 , 5083 , 33631 , 43979 , 59501 , 66079 , 77809 , 571727 , 773513 , 1011517 , 13149721
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
-13149720
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 13149721 can be divided by 24 positive divisors.
The sum of these divisors (counting 13149721) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110010001010011000011001
3
Ternary
220202002000201
4
Quaternary
302022120121
5
Quinary
11331242341
6
Senary
1145502201
8
Octal
62123031
10
Decimal
13149721
12
Duodecimal
44a1961
16
Hexadecimal
c8a619
20
Vigesimal
423e61
36
Base36
7tue1
md5
62272352649723b57a2b540d5f11efb1
sha1
e2633d9d330ba55484e3a47e500cb47aeae50ae0
sha256
0159cf0a215eedcc513f21ce7bcdaab6f711b18431c7e818b327063b59cebabd
sha512
ee491b77e6bd17b9ff3345e219eaf0df19245f3e316cb9f15cf5e312d11c0bdde9617094b8f95943e306de285428ce68d0ab9c4acff4c479eaa13d9710c6c7ca
ripemd-160
0cd00a7302a847c8bf038716dc140c81a2945a39
Diameter
26299442
Circumference
82622133.780711
Area
5.4322900382051E+14
Volume
9.5244131191302E+21
Surface area
2.172916015282E+15
Circumference
82622133.780711
Perimeter
52598884
Area
172915162377841
Diagonal
18596513.779622
Surface area
1037490974267046
Volume
2.2737861419383E+21
Space diagonal
22775984.877355
Perimeter
39449163
Area
74874461659361
Altitude
11387992.438678
Surface area
74874461659361
Volume
2.6796826665543E+20
Height
6198837.9265408