12755721 is an odd 8-digits composite number following 12755720
and preceding 12755722 . In scientific notation, it is written as 1.2755721 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7730720 positive integers (up to 12755721) that are relatively prime to 12755721.
12755721 has 8 divisors, whose sum is 18553824
The reverse of 12755721 is 12755721
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million seven hundred fifty-five thousand seven hundred twenty-one
Scientific notation
1.2755721 × 10^7
Engineering notation
1.2755721 × 10^6
Prime Factorization
3 × 11 × 386537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12755721
Product of the distinct prime numbers
The prime factorization of 12755721 is 3 × 11 × 386537.
Since it has a total of 3 prime factors.
5 , 4 , 80 , 75 , 172 , 496 , 2970 , 5847 , 48598 , 25642 , 902405 , 211001 , 378324 , 1690327 , 16513447 , 36790024 , 252658191 , 139009879 , 9899312878 , 7278238982
n×2
25511442
n×3
38267163
n×4
51022884
n×5
63778605
n÷2
6377860.5
n÷3
4251907
n÷3
3188930.25
n÷5
2551144.2
n2
162708418229841
n3
2.0754631872912E+21
n4
2.6474029362857E+28
n5
3.3769533229841E+35
2 √n
3571.5152246631
3 √n
233.65137288263
4 √n
59.762155455297
5 √n
26.371874620201
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12755720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12755721 can be divided by 8 positive divisors.
The sum of these divisors (counting 12755721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101010001100001001
3
Ternary
220000001120010
4
Quaternary
300222030021
5
Quinary
11231140341
6
Senary
1133222133
8
Octal
60521411
10
Decimal
12755721
12
Duodecimal
4331949
16
Hexadecimal
c2a309
20
Vigesimal
3je961
36
Base36
7ledl
md5
43e9484b19af37712f30abc882a472d7
sha1
d3f8e500c1b6e0d52ab0ad3f4328223981cdcee7
sha256
6a907e56b4fb937dc371dd8c94113dadd0ec94a84d6f52017970ba3a532360d8
sha512
92aed7a7f429c29337fb48c660dad05541704ae2eceff005ce06ae7913ac3fc60e50ff87c84c45dfcceb6b7a10023cba9b7b7a348fec52cfad968f75d4b1eee8
ripemd-160
9e908a7e27c98d9986e306711d49e8f27a0a621d
Diameter
25511442
Circumference
80146558.769682
Area
5.1116357138808E+14
Volume
8.69367986932E+21
Surface area
2.0446542855523E+15
Circumference
80146558.769682
Perimeter
51022884
Area
162708418229841
Diagonal
18039313.636047
Surface area
976250509379046
Volume
2.0754631872912E+21
Space diagonal
22093556.859173
Perimeter
38267163
Area
70454811798313
Altitude
11046778.429587
Surface area
70454811798313
Volume
2.445956823061E+20
Height
6013104.5453491