12781371 is an odd 8-digits composite number following 12781370
and preceding 12781372 . In scientific notation, it is written as 1.2781371 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 8520912 positive integers (up to 12781371) that are relatively prime to 12781371.
12781371 has 4 divisors, whose sum is 17041832
The reverse of 12781371 is 17318721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million seven hundred eighty-one thousand three hundred seventy-one
Scientific notation
1.2781371 × 10^7
Engineering notation
1.2781371 × 10^6
Prime Factorization
3 × 4260457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12781371
Product of the distinct prime numbers
The prime factorization of 12781371 is 3 × 4260457.
Since it has a total of 2 prime factors.
10 , 10 , 33 , 3 , 7 , 443 , 6134 , 4153 , 94936 , 71617 , 154659 , 181359 , 5939900 , 3679971 , 56347991 , 95286039 , 98405928 , 538249339 , 3858361439 , 8772666800
n×2
25562742
n×3
38344113
n×4
51125484
n×5
63906855
n÷2
6390685.5
n÷3
4260457
n÷3
3195342.75
n÷5
2556274.2
n2
163363444639641
n3
2.0880087937772E+21
n4
2.6687615044529E+28
n5
3.4110430898931E+35
2 √n
3575.1043341419
3 √n
233.807881612
4 √n
59.792176195066
5 √n
26.382472141887
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
-12781370
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 12781371 can be divided by 4 positive divisors.
The sum of these divisors (counting 12781371) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110000011100111011
3
Ternary
220001100202010
4
Quaternary
300300130323
5
Quinary
11233000441
6
Senary
1133541003
8
Octal
60603473
10
Decimal
12781371
12
Duodecimal
4344763
16
Hexadecimal
c3073b
20
Vigesimal
3jhd8b
36
Base36
7ly63
md5
004b0819dc49b8a05ec6709d9ca20d76
sha1
4937b219b149d04348fbe9693aa3e0a552821e05
sha256
4c6cf05a40dfdba0a77429c08e617546105fd2047618e3e582644667d9764ccd
sha512
671b7e37a0fa215272904bda1d5f8af4aac2353c3e2d98820943f70def02d91a8968871b4c1658b558b24c4681a238a84b6d0f606b64e53e8ce593e6fadcdd71
ripemd-160
e0f1c353207519edf7ebcfe27648c213ac420c28
Diameter
25562742
Circumference
80307722.472811
Area
5.1322139754502E+14
Volume
8.7462307828818E+21
Surface area
2.0528855901801E+15
Circumference
80307722.472811
Perimeter
51125484
Area
163363444639641
Diagonal
18075588.213922
Surface area
980180667837846
Volume
2.0880087937772E+21
Space diagonal
22137983.962387
Perimeter
38344113
Area
70738446553831
Altitude
11068991.981194
Surface area
70738446553831
Volume
2.460741962095E+20
Height
6025196.0713074