12781369 is an odd 8-digits composite number following 12781368
and preceding 12781370 . In scientific notation, it is written as 1.2781369 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 12695440 positive integers (up to 12781369) that are relatively prime to 12781369.
12781369 has 4 divisors, whose sum is 12867300
The reverse of 12781369 is 96318721
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred eighty-one thousand three hundred sixty-nine
Scientific notation
1.2781369 × 10^7
Engineering notation
1.2781369 × 10^6
Prime Factorization
149 × 85781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12781369
Product of the distinct prime numbers
The prime factorization of 12781369 is 149 × 85781.
Since it has a total of 2 prime factors.
7 , 5 , 33 , 89 , 14 , 339 , 5746 , 1460 , 91274 , 82442 , 489348 , 933114 , 2731876 , 7406136 , 52041207 , 52348538 , 159660770 , 124493215 , 311384036 , 905412975
n×2
25562738
n×3
38344107
n×4
51125476
n×5
63906845
n÷2
6390684.5
n÷3
4260456.3333333
n÷3
3195342.25
n÷5
2556273.8
n2
163363393514161
n3
2.0880078135967E+21
n4
2.6687598340463E+28
n5
3.4110404211324E+35
2 √n
3575.1040544297
3 √n
233.80786941675
4 √n
59.79217385603
5 √n
26.382471316233
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
-12781368
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 12781369 can be divided by 4 positive divisors.
The sum of these divisors (counting 12781369) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110000011100111001
3
Ternary
220001100202001
4
Quaternary
300300130321
5
Quinary
11233000434
6
Senary
1133541001
8
Octal
60603471
10
Decimal
12781369
12
Duodecimal
4344761
16
Hexadecimal
c30739
20
Vigesimal
3jhd89
36
Base36
7ly61
md5
4a42ccbe0f2c2c6c74edf14c10752dd3
sha1
adc09d0005ebdfc7dfb5e95270336f68f6ffd908
sha256
b056e7d2088c664ae28428ac117ec0fce915117850de05d6ec1ff48dd68da5a7
sha512
14f0ea15cffaf1c0a0d5e52abe7683270e0296fa4d3cf06dc2b0b540293b62989827283e0edbead4384e3097d5f5eef3d4f29f3499460f696d9664e86f36e806
ripemd-160
2e358c57df49a790f372870b440ea8636c409cdf
Diameter
25562738
Circumference
80307709.906441
Area
5.1322123692959E+14
Volume
8.7462266771113E+21
Surface area
2.0528849477183E+15
Circumference
80307709.906441
Perimeter
51125476
Area
163363393514161
Diagonal
18075585.385495
Surface area
980180361084966
Volume
2.0880078135967E+21
Space diagonal
22137980.498286
Perimeter
38344107
Area
70738424415849
Altitude
11068990.249143
Surface area
70738424415849
Volume
2.4607408069412E+20
Height
6025195.1284983