13000721 is an odd 8-digits composite number following 13000720
and preceding 13000722 . In scientific notation, it is written as 1.3000721 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 12970932 positive integers (up to 13000721) that are relatively prime to 13000721.
13000721 has 4 divisors, whose sum is 13030512
The reverse of 13000721 is 12700031
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
thirteen million seven hundred twenty-one
Scientific notation
1.3000721 × 10^7
Engineering notation
1.3000721 × 10^6
Prime Factorization
443 × 29347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13000721
Product of the distinct prime numbers
The prime factorization of 13000721 is 443 × 29347.
Since it has a total of 2 prime factors.
5 , 4 , 20 , 76 , 44 , 478 , 6733 , 3667 , 28492 , 18222 , 41986 , 373444 , 5590071 , 2502085 , 21371126 , 70694851 , 920497751 , 783351258 , 2276626367 , 4709594495
n×2
26001442
n×3
39002163
n×4
52002884
n×5
65003605
n÷2
6500360.5
n÷3
4333573.6666667
n÷3
3250180.25
n÷5
2600144.2
n2
169018746519841
n3
2.1973655672742E+21
n4
2.8567336675138E+28
n5
3.7139597382654E+35
2 √n
3605.6512587881
3 √n
235.13781564636
4 √n
60.047075355825
5 √n
26.472410437405
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
-13000720
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 13000721 can be divided by 4 positive divisors.
The sum of these divisors (counting 13000721) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100110000000010001
3
Ternary
220110111122012
4
Quaternary
301212000101
5
Quinary
11312010341
6
Senary
1142352305
8
Octal
61460021
10
Decimal
13000721
12
Duodecimal
442b695
16
Hexadecimal
c66011
20
Vigesimal
4151g1
36
Base36
7qnf5
md5
716bffe1fa5954939b8012fb244d4009
sha1
c80c04e6fca4acab438c10ebee9bf5a6e5a4c443
sha256
010578fefd3c073e63077d67389b11bed9f7752e015673d941caac2e3ab5083c
sha512
917db40911eb347d5c02947dd71d31e99599c9918e8120736cfe8b5f202c7ab2726e387d6f3cf1a761129cfee1b79721cb40d3519d4a73bba8af9be3fcc1405e
ripemd-160
f9e9e03a10d1a2869c43d538567cef6338f9cc44
Diameter
26001442
Circumference
81685939.169941
Area
5.3098805238569E+14
Volume
9.204303364533E+21
Surface area
2.1239522095428E+15
Circumference
81685939.169941
Perimeter
52002884
Area
169018746519841
Diagonal
18385795.958829
Surface area
1014112479119046
Volume
2.1973655672742E+21
Space diagonal
22517909.307028
Perimeter
39002163
Area
73187264100992
Altitude
11258954.653514
Surface area
73187264100992
Volume
2.589620155609E+20
Height
6128598.6529429