12781628 is an even 8-digits composite number following 12781627
and preceding 12781629 . In scientific notation, it is written as 1.2781628 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 6390812 positive integers (up to 12781628) that are relatively prime to 12781628.
12781628 has 6 divisors, whose sum is 22367856
The reverse of 12781628 is 82618721
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million seven hundred eighty-one thousand six hundred twenty-eight
Scientific notation
1.2781628 × 10^7
Engineering notation
1.2781628 × 10^6
Prime Factorization
2 × 2 × 3195407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6390814
Product of the distinct prime numbers
The prime factorization of 12781628 is 2 × 2 × 3195407.
Since it has a total of 3 prime factors.
2 , 6 , 29 , 38 , 760 , 266 , 50 , 3471 , 37071 , 87398 , 651244 , 66115 , 1212667 , 8006938 , 47398560 , 89879565 , 737796480 , 441695605 , 8474045462 , 7343369590
n×2
25563256
n×3
38344884
n×4
51126512
n×5
63908140
n÷2
6390814
n÷3
4260542.6666667
n÷3
3195407
n÷5
2556325.6
n2
163370014330384
n3
2.0881347495256E+21
n4
2.668976158231E+28
n5
3.4113860395378E+35
2 √n
3575.1402769682
3 √n
233.80944869018
4 √n
59.792476758938
5 √n
26.38257823756
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12781627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12781628 can be divided by 6 positive divisors.
The sum of these divisors (counting 12781628) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110000110000100000111100
3
Ternary
220001101002122
4
Quaternary
300300200330
5
Quinary
11233003003
6
Senary
1133542112
8
Octal
60604074
10
Decimal
12781628
12
Duodecimal
4344938
16
Hexadecimal
c3083c
20
Vigesimal
3jhe18
36
Base36
7lyd8
md5
30c2e26afcc88362ef7fb42151d32297
sha1
7f50d1f39bb5b5d4b33210085edab81f4b03120f
sha256
bf7ca13dfb29d447b45cc86ce9df964a784dd77e6814886a94a8219ce7920859
sha512
315bf03c7365efda408ed9134317edaaad953c528d190712bfe9af92909f63af4d187dacdef14fdaa26f08e90b6149d643672eb0f8b8159ca718eb1f78f97427
ripemd-160
aa1fe25c0c2e281f16f63400bf5cca75d40832f5
Diameter
25563256
Circumference
80309337.251435
Area
5.1324203683719E+14
Volume
8.7467583850871E+21
Surface area
2.0529681473488E+15
Circumference
80309337.251435
Perimeter
51126512
Area
163370014330384
Diagonal
18075951.666808
Surface area
980220085982304
Volume
2.0881347495256E+21
Space diagonal
22138429.099445
Perimeter
38344884
Area
70741291313370
Altitude
11069214.549722
Surface area
70741291313370
Volume
2.4608904023681E+20
Height
6025317.2222692