12781396 is an even 8-digits composite number following 12781395
and preceding 12781397 . In scientific notation, it is written as 1.2781396 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 6373080 positive integers (up to 12781396) that are relatively prime to 12781396.
12781396 has 12 divisors, whose sum is 22429120
The reverse of 12781396 is 69318721
Previous prime number is 379
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred eighty-one thousand three hundred ninety-six
Scientific notation
1.2781396 × 10^7
Engineering notation
1.2781396 × 10^6
Prime Factorization
2 × 2 × 379 × 8431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6390698
Product of the distinct prime numbers
The prime factorization of 12781396 is 2 × 2 × 379 × 8431.
Since it has a total of 4 prime factors.
4 , 5 , 2 , 13 , 284 , 265 , 8350 , 4506 , 91796 , 79914 , 129872 , 468842 , 6301627 , 53146 , 64312478 , 60490490 , 268586372 , 652121708 , 1298405645 , 6253979538
n×2
25562792
n×3
38344188
n×4
51125584
n×5
63906980
n÷2
6390698
n÷3
4260465.3333333
n÷3
3195349
n÷5
2556279.2
n2
163364083708816
n3
2.0880210460595E+21
n4
2.6687823846021E+28
n5
3.4110764495424E+35
2 √n
3575.1078305416
3 √n
233.80803405243
4 √n
59.792205432996
5 √n
26.382482462553
1 , 2 , 4 , 379 , 758 , 1516 , 8431 , 16862 , 33724 , 3195349 , 6390698 , 12781396
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
-12781395
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 12781396 can be divided by 12 positive divisors.
The sum of these divisors (counting 12781396) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000110000011101010100
3
Ternary
220001100210001
4
Quaternary
300300131110
5
Quinary
11233001041
6
Senary
1133541044
8
Octal
60603524
10
Decimal
12781396
12
Duodecimal
4344784
16
Hexadecimal
c30754
20
Vigesimal
3jhd9g
36
Base36
7ly6s
md5
cd27b949910c085e78173c74734e1d04
sha1
59b958696fed6948b0ca2ee9cc966dd56c07bef8
sha256
00d9a8444954ddf56a1e213fb889569f83dbab240c9dbe5acb91a48a9a5c04af
sha512
e41c9e78f673c3061dfb49ab608110ef4d64f2cd2a8be453869eb68bda77fe6252c38bce28001ff009c2f79ad2f3e7ea59a9ec2b5d29adca53c146721f8ba859
ripemd-160
c1c2d292d46217cd92c94b9cc748186958565809
Diameter
25562792
Circumference
80307879.552444
Area
5.1322340524004E+14
Volume
8.746282105122E+21
Surface area
2.0528936209602E+15
Circumference
80307879.552444
Perimeter
51125584
Area
163364083708816
Diagonal
18075623.569261
Surface area
980184502252896
Volume
2.0880210460595E+21
Space diagonal
22138027.263658
Perimeter
38344188
Area
70738723278901
Altitude
11069013.631829
Surface area
70738723278901
Volume
2.4607564015482E+20
Height
6025207.8564204