12781272 is an even 8-digits composite number following 12781271
and preceding 12781273 . In scientific notation, it is written as 1.2781272 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 3651744 positive integers (up to 12781272) that are relatively prime to 12781272.
12781272 has 32 divisors, whose sum is 36518400
The reverse of 12781272 is 27218721
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million seven hundred eighty-one thousand two hundred seventy-two
Scientific notation
1.2781272 × 10^7
Engineering notation
1.2781272 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 7 × 76079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3195318
Product of the distinct prime numbers
The prime factorization of 12781272 is 2 × 2 × 2 × 3 × 7 × 76079.
Since it has a total of 6 prime factors.
7 , 5 , 42 , 5 , 298 , 500 , 1643 , 7992 , 39109 , 84202 , 37566 , 903760 , 2267396 , 5461052 , 67897050 , 2161564 , 208384877 , 881784928 , 8763312664 , 5785491280
n×2
25562544
n×3
38343816
n×4
51125088
n×5
63906360
n÷2
6390636
n÷3
4260424
n÷3
3195318
n÷5
2556254.4
n2
163360913937984
n3
2.08796027521E+21
n4
2.6686788202653E+28
n5
3.410910988245E+35
2 √n
3575.0904883653
3 √n
233.80727794593
4 √n
59.792060412444
5 √n
26.382431271892
1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 21 , 24 , 28 , 42 , 56 , 84 , 168 , 76079 , 152158 , 228237 , 304316 , 456474 , 532553 , 608632 , 912948 , 1065106 , 1597659 , 1825896 , 2130212 , 3195318 , 4260424 , 6390636 , 12781272
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12781271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12781272 can be divided by 32 positive divisors.
The sum of these divisors (counting 12781272) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000110000011011011000
3
Ternary
220001100121110
4
Quaternary
300300123120
5
Quinary
11233000042
6
Senary
1133540320
8
Octal
60603330
10
Decimal
12781272
12
Duodecimal
43446a0
16
Hexadecimal
c306d8
20
Vigesimal
3jhd3c
36
Base36
7ly3c
md5
b5d9209de7f12a3d933810b2124877c9
sha1
3e03ec51d178513f2ab6bebc0c0885866eaff828
sha256
9e7344e576690b61fd501631e088bc8274f1075f0a02e83a323cfca01f5ddeda
sha512
0efba8b12c68c05e457a5cd787ae819f97594a4e893df20145db0d3357f5921aa80555f979fe76391aed27f9cccc004c3022d259e9f0073b1e2a04df656492ce
ripemd-160
45d09ae18b6689fc047d19549e48b4f20740730c
Diameter
25562544
Circumference
80307100.437466
Area
5.1321344711128E+14
Volume
8.7460275487826E+21
Surface area
2.0528537884451E+15
Circumference
80307100.437466
Perimeter
51125088
Area
163360913937984
Diagonal
18075448.206779
Surface area
980165483627904
Volume
2.08796027521E+21
Space diagonal
22137812.489357
Perimeter
38343816
Area
70737350727869
Altitude
11068906.244679
Surface area
70737350727869
Volume
2.4606847824152E+20
Height
6025149.4022598