12781372 is an even 8-digits composite number following 12781371
and preceding 12781373 . In scientific notation, it is written as 1.2781372 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 6358176 positive integers (up to 12781372) that are relatively prime to 12781372.
12781372 has 12 divisors, whose sum is 22481200
The reverse of 12781372 is 27318721
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million seven hundred eighty-one thousand three hundred seventy-two
Scientific notation
1.2781372 × 10^7
Engineering notation
1.2781372 × 10^6
Prime Factorization
2 × 2 × 199 × 16057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6390686
Product of the distinct prime numbers
The prime factorization of 12781372 is 2 × 2 × 199 × 16057.
Since it has a total of 4 prime factors.
10 , 6 , 11 , 84 , 869 , 253 , 3937 , 2691 , 91941 , 95887 , 395480 , 717046 , 738495 , 1445705 , 31933147 , 14867677 , 249449240 , 58557315 , 7961222149 , 5808702871
n×2
25562744
n×3
38344116
n×4
51125488
n×5
63906860
n÷2
6390686
n÷3
4260457.3333333
n÷3
3195343
n÷5
2556274.4
n2
163363470202384
n3
2.0880092838676E+21
n4
2.6687623396565E+28
n5
3.411044424274E+35
2 √n
3575.1044739979
3 √n
233.80788770962
4 √n
59.792177364584
5 √n
26.382472554714
1 , 2 , 4 , 199 , 398 , 796 , 16057 , 32114 , 64228 , 3195343 , 6390686 , 12781372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12781371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12781372 can be divided by 12 positive divisors.
The sum of these divisors (counting 12781372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000110000011100111100
3
Ternary
220001100202011
4
Quaternary
300300130330
5
Quinary
11233000442
6
Senary
1133541004
8
Octal
60603474
10
Decimal
12781372
12
Duodecimal
4344764
16
Hexadecimal
c3073c
20
Vigesimal
3jhd8c
36
Base36
7ly64
md5
6fee0d4f32a9a46cf22b291ba109e998
sha1
366db84d290080c02184edfc8a872a4b6d538deb
sha256
19cf60c1cd98b6a712a8215da92803f9bf373a478a1d9fd77d697c4e3814aca0
sha512
7c96f0c93d01251abd0c7c324a29f7b240043a624a4f664c393a5aec2483ecf64e698bed095525fffc2b5142a5f6ab5002cb933da40697d4b69d49f3a5dcf376
ripemd-160
204d5214b13044dedeb24e61a87fcd052ef59f87
Diameter
25562744
Circumference
80307728.755997
Area
5.1322147785274E+14
Volume
8.7462328357676E+21
Surface area
2.052885911411E+15
Circumference
80307728.755997
Perimeter
51125488
Area
163363470202384
Diagonal
18075589.628136
Surface area
980180821214304
Volume
2.0880092838676E+21
Space diagonal
22137985.694438
Perimeter
38344116
Area
70738457622823
Altitude
11068992.847219
Surface area
70738457622823
Volume
2.4607425396721E+20
Height
6025196.5427119