12721000 is an even 8-digits composite number following 12720999
and preceding 12721001 . In scientific notation, it is written as 1.2721000 × 10^7.
The sum of its digits is 13. It has a total of 5 prime factors and 16 positive divisors.
There are 5088000 positive integers (up to 12721000) that are relatively prime to 12721000.
12721000 has 16 divisors, whose sum is 24044580
The reverse of 12721000 is 00012721
Previous prime number is 125
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twelve million seven hundred twenty-one thousand
Scientific notation
1.2721000 × 10^7
Engineering notation
1.2721000 × 10^6
Prime Factorization
2 × 2 × 2 × 125 × 12721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3180250
Product of the distinct prime numbers
The prime factorization of 12721000 is 2 × 2 × 2 × 125 × 12721.
Since it has a total of 5 prime factors.
8 , 8 , 80 , 54 , 868 , 882 , 1372 , 473 , 39344 , 40843 , 174737 , 375134 , 210887 , 6361867 , 72947345 , 1079711 , 56464149 , 139275682 , 3233126206 , 5010545165
n×2
25442000
n×3
38163000
n×4
50884000
n×5
63605000
n÷2
6360500
n÷3
4240333.3333333
n÷3
3180250
n÷5
2544200
n2
161823841000000
n3
2.058561081361E+21
n4
2.6186955515993E+28
n5
3.3312426111895E+35
2 √n
3566.6510903087
3 √n
233.4391810017
4 √n
59.721445815625
5 √n
26.357502144412
1 , 2 , 4 , 8 , 125 , 250 , 500 , 1000 , 12721 , 25442 , 50884 , 101768 , 1590125 , 3180250 , 6360500 , 12721000
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12720999
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12721000 can be divided by 16 positive divisors.
The sum of these divisors (counting 12721000) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000100001101101101000
3
Ternary
212221021221011
4
Quaternary
300201231220
5
Quinary
11224033000
6
Senary
1132353304
8
Octal
60415550
10
Decimal
12721000
12
Duodecimal
4315834
16
Hexadecimal
c21b68
20
Vigesimal
3ja2a0
36
Base36
7knl4
md5
21220cf7eec48cad25a7f91aad0dc703
sha1
90da974d711872f93f55975ab5ea791744590f67
sha256
1c26ac6b19343da1a1c2caf5eb958924c2593e04fabedb587c1ee27717570b08
sha512
a3d5bba229044b7b4ebda235ade35d51fcd8af6d391c7b89b7966a9fc5629dbe6082462fb2b32353130c7ef0f8be4300647ae0787d0fee89b74bce964d0d0a76
ripemd-160
c7cb45c93c91b76970672c789ca0dd35a855b272
Diameter
25442000
Circumference
79928400.292632
Area
5.0838459006128E+14
Volume
8.6228804935594E+21
Surface area
2.0335383602451E+15
Circumference
79928400.292632
Perimeter
50884000
Area
161823841000000
Diagonal
17990210.726948
Surface area
970943046000000
Volume
2.058561081361E+21
Space diagonal
22033418.323084
Perimeter
38163000
Area
70071778621987
Altitude
11016709.161542
Surface area
70071778621987
Volume
2.4260375001951E+20
Height
5996736.9089827