13056721 is an odd 8-digits composite number following 13056720
and preceding 13056722 . In scientific notation, it is written as 1.3056721 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 12968944 positive integers (up to 13056721) that are relatively prime to 13056721.
13056721 has 4 divisors, whose sum is 13144500
The reverse of 13056721 is 12765031
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirteen million fifty-six thousand seven hundred twenty-one
Scientific notation
1.3056721 × 10^7
Engineering notation
1.3056721 × 10^6
Prime Factorization
149 × 87629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13056721
Product of the distinct prime numbers
The prime factorization of 13056721 is 149 × 87629.
Since it has a total of 2 prime factors.
6 , 5 , 9 , 95 , 748 , 545 , 5963 , 9648 , 59790 , 86452 , 305724 , 699579 , 7264097 , 4866410 , 44871652 , 81249408 , 494298950 , 971158979 , 1388418061 , 6647045064
n×2
26113442
n×3
39170163
n×4
52226884
n×5
65283605
n÷2
6528360.5
n÷3
4352240.3333333
n÷3
3264180.25
n÷5
2611344.2
n2
170477963271841
n3
2.2258832030887E+21
n4
2.9062735961315E+28
n5
3.7946403494356E+35
2 √n
3613.4085016782
3 √n
235.47494711127
4 √n
60.111633663361
5 √n
26.495176979717
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
-13056720
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 13056721 can be divided by 4 positive divisors.
The sum of these divisors (counting 13056721) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001110011101011010001
3
Ternary
220120100110021
4
Quaternary
301303223101
5
Quinary
11320303341
6
Senary
1143503441
8
Octal
61635321
10
Decimal
13056721
12
Duodecimal
4457b81
16
Hexadecimal
c73ad1
20
Vigesimal
41c1g1
36
Base36
7rump
md5
46bf7b88a3ccb9961054eefa95b3f9c5
sha1
8488900d7eb55c06a6ad4453f91d1183619090aa
sha256
84597505a547de81c68d9dbf345b821d89beccf916c638be221766c261697109
sha512
1251e338ff2112ec96757c3a61294ad579dbc4110a00c7e9a3e5a3d0f5824c0cff6a3864cd3fa5c1e70a21a3dd6ee5646e891eee3c0aa7c363fc02c0cde04597
ripemd-160
f9cfb7d811a0b096a16187e1f7641284bbfdfc9e
Diameter
26113442
Circumference
82037797.547143
Area
5.3557231701377E+14
Volume
9.3237577580964E+21
Surface area
2.1422892680551E+15
Circumference
82037797.547143
Perimeter
52226884
Area
170477963271841
Diagonal
18464991.918322
Surface area
1022867779631046
Volume
2.2258832030887E+21
Space diagonal
22614904.152252
Perimeter
39170163
Area
73819123489422
Altitude
11307452.076126
Surface area
73819123489422
Volume
2.6232285117221E+20
Height
6154997.3061072