13012721 is an odd 8-digits prime number following 13012720
and preceding 13012722 . In scientific notation, it is written as 1.3012721 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 13012720 positive integers (up to 13012721) that are relatively prime to 13012721.
13012721 has 2 divisors, whose sum is 13012722
The reverse of 13012721 is 12721031
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
thirteen million twelve thousand seven hundred twenty-one
Scientific notation
1.3012721 × 10^7
Engineering notation
1.3012721 × 10^6
Prime Factorization
13012721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
13012721
Product of the distinct prime numbers
The prime factorization of 13012721 is 13012721.
Since it has a total of 1 prime factors.
10 , 9 , 73 , 82 , 523 , 268 , 2728 , 9321 , 60053 , 30753 , 403698 , 554044 , 4120106 , 8895005 , 80547526 , 21762513 , 642327741 , 308987623 , 6747598654 , 8680409091
n×2
26025442
n×3
39038163
n×4
52050884
n×5
65063605
n÷2
6506360.5
n÷3
4337573.6666667
n÷3
3253180.25
n÷5
2602544.2
n2
169330907823841
n3
2.2034558601884E+21
n4
2.8672956344446E+28
n5
3.7311318115546E+35
2 √n
3607.3149294177
3 √n
235.21013948336
4 √n
60.060926811178
5 √n
26.477295577291
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
13012722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6506361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3607.315068025
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998463043
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13012721 can be divided by 2 positive divisors.
The sum of these divisors (counting 13012721) is 13012722, the average is 6506361.
Base
System
Value
2
Binary
110001101000111011110001
3
Ternary
220111010002122
4
Quaternary
301220323301
5
Quinary
11312401341
6
Senary
1142524025
8
Octal
61507361
10
Decimal
13012721
12
Duodecimal
4436615
16
Hexadecimal
c68ef1
20
Vigesimal
416bg1
36
Base36
7qwoh
md5
ca89a70c9059807341aa4ae1bfd3c26c
sha1
3ca2e0a87d2bdbef1d016668a945a5b982235b57
sha256
14c522475884484b476ef569612e34629e8f03b0e6ad7c509220045a2792358d
sha512
dbfd81804466c4ceb19966fbf4301d0c3dbaf387c5e9d2d65030d47ea385e952e8a7d2b1d49ccdebbc87d3e3d94159e98fb3a0ea8bc9441e2c6f385a5b6fa744
ripemd-160
78e0444431d2573d00f82cc57fa1e24c580e291c
Diameter
26025442
Circumference
81761337.393627
Area
5.3196873604507E+14
Volume
9.2298143238362E+21
Surface area
2.1278749441803E+15
Circumference
81761337.393627
Perimeter
52050884
Area
169330907823841
Diagonal
18402766.521577
Surface area
1015985446943046
Volume
2.2034558601884E+21
Space diagonal
22538693.916718
Perimeter
39038163
Area
73322433910664
Altitude
11269346.958359
Surface area
73322433910664
Volume
2.5967976346407E+20
Height
6134255.5071924