1279428 is an even 7-digits composite number following 1279427
and preceding 1279429 . In scientific notation, it is written as 1.279428 × 10^6.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 426472 positive integers (up to 1279428) that are relatively prime to 1279428.
1279428 has 12 divisors, whose sum is 2985360
The reverse of 1279428 is 8249721
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million two hundred seventy-nine thousand four hundred twenty-eight
Scientific notation
1.279428 × 10^6
Engineering notation
1.279428 × 10^6
Prime Factorization
2 × 2 × 3 × 106619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639714
Product of the distinct prime numbers
The prime factorization of 1279428 is 2 × 2 × 3 × 106619.
Since it has a total of 4 prime factors.
9 , 2 , 51 , 11 , 384 , 829 , 3052 , 8930 , 80419 , 78487 , 757630 , 558927 , 1102375 , 7587633 , 27539359 , 3305464 , 186376489 , 350540772 , 9594048822 , 5210878099
n×2
2558856
n×3
3838284
n×4
5117712
n×5
6397140
n÷2
639714
n÷3
426476
n÷3
319857
n÷5
255885.6
n2
1636936007184
n3
2094341761799410752
n4
2.6795594916155E+24
n5
3.4283034412386E+30
2 √n
1131.1180309764
3 √n
108.56052884907
4 √n
33.632098224411
5 √n
16.649575693094
1 , 2 , 3 , 4 , 6 , 12 , 106619 , 213238 , 319857 , 426476 , 639714 , 1279428
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
-1279427
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 1279428 can be divided by 12 positive divisors.
The sum of these divisors (counting 1279428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000010111000100
3
Ternary
2102000001020
4
Quaternary
10320113010
5
Quinary
311420203
6
Senary
43231140
8
Octal
4702704
10
Decimal
1279428
12
Duodecimal
5184b0
16
Hexadecimal
1385c4
20
Vigesimal
7jib8
36
Base36
rf7o
md5
ec99632cecacfcc6857852911f544a7f
sha1
f87e76a1bbc096bfbd6d961911d759e82698fdbb
sha256
649ce2bfc1e8cb64cd205ccfa299342185572887bf20217a423ac9613c4d60f4
sha512
b8694ed351101a72f0ab59ed84c650a9e1b01f17f0e2356ac45eb8f872ab4b837ffaebdac6303ace8705e46325f22238e5f210bd244950f57f4709931e47675e
ripemd-160
273d970c889e65300cd32e511d75fe3a58f2a7a9
Diameter
2558856
Circumference
8038883.2111942
Area
5142586134565.9
Volume
8.7727582573004E+18
Surface area
20570344538263
Circumference
8038883.2111942
Perimeter
5117712
Area
1636936007184
Diagonal
1809384.4296799
Surface area
9821616043104
Volume
2094341761799410752
Space diagonal
2216034.3006262
Perimeter
3838284
Area
708814083295.41
Altitude
1108017.1503131
Surface area
708814083295.41
Volume
2.4682054364842E+17
Height
603128.14322663