12721885 is an odd 8-digits composite number following 12721884
and preceding 12721886 . In scientific notation, it is written as 1.2721885 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 9210240 positive integers (up to 12721885) that are relatively prime to 12721885.
12721885 has 16 divisors, whose sum is 16729920
The reverse of 12721885 is 58812721
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million seven hundred twenty-one thousand eight hundred eighty-five
Scientific notation
1.2721885 × 10^7
Engineering notation
1.2721885 × 10^6
Prime Factorization
739 × 5 × 11 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12721885
Product of the distinct prime numbers
The prime factorization of 12721885 is 739 × 5 × 11 × 313.
Since it has a total of 4 prime factors.
5 , 6 , 90 , 83 , 490 , 518 , 5991 , 1993 , 12732 , 51744 , 391169 , 872171 , 4485763 , 1464052 , 54843608 , 29529643 , 271863981 , 394386774 , 1551535694 , 4731623283
n×2
25443770
n×3
38165655
n×4
50887540
n×5
63609425
n÷2
6360942.5
n÷3
4240628.3333333
n÷3
3180471.25
n÷5
2544377
n2
161846357953225
n3
2.0589907535498E+21
n4
2.6194243582723E+28
n5
3.332401545214E+35
2 √n
3566.7751541133
3 √n
233.44459433096
4 √n
59.722484493809
5 √n
26.357868872504
1 , 5 , 11 , 55 , 313 , 739 , 1565 , 3443 , 3695 , 8129 , 17215 , 40645 , 231307 , 1156535 , 2544377 , 12721885
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
-12721884
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 12721885 can be divided by 16 positive divisors.
The sum of these divisors (counting 12721885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000100001111011011101
3
Ternary
212221100010221
4
Quaternary
300201323131
5
Quinary
11224100020
6
Senary
1132401341
8
Octal
60417335
10
Decimal
12721885
12
Duodecimal
4316251
16
Hexadecimal
c21edd
20
Vigesimal
3ja4e5
36
Base36
7ko9p
md5
902aa00bf2fb57080580b5e505544e31
sha1
5b9e8d6c47d7f1e533d69ef54fc4d09681bc0ce6
sha256
e874e19ba625b5906c0a9655a1196205c7f6c72014336fba6ad724bebf4ef9c7
sha512
da32f38c9a080167cd3b9fbd954522daf36da31b5f98d1979494d9a33fc6822ef1693c6a8f648bdc54c36529e79a4debadeb3a9f6fe5966fd62821fe1672a1cf
ripemd-160
3ff0681756b7bdc1e0f0d28d95e0ec165d3800a0
Diameter
25443770
Circumference
79933960.911628
Area
5.0845532915612E+14
Volume
8.624680300215E+21
Surface area
2.0338213166245E+15
Circumference
79933960.911628
Perimeter
50887540
Area
161846357953225
Diagonal
17991462.305951
Surface area
971078147719350
Volume
2.0589907535498E+21
Space diagonal
22034951.188048
Perimeter
38165655
Area
70081528748741
Altitude
11017475.594024
Surface area
70081528748741
Volume
2.4265438737257E+20
Height
5997154.1019836