1289128 is an even 7-digits composite number following 1289127
and preceding 1289129 . In scientific notation, it is written as 1.289128 × 10^6.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 644560 positive integers (up to 1289128) that are relatively prime to 1289128.
1289128 has 8 divisors, whose sum is 2417130
The reverse of 1289128 is 8219821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million two hundred eighty-nine thousand one hundred twenty-eight
Scientific notation
1.289128 × 10^6
Engineering notation
1.289128 × 10^6
Prime Factorization
2 × 2 × 2 × 161141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
322282
Product of the distinct prime numbers
The prime factorization of 1289128 is 2 × 2 × 2 × 161141.
Since it has a total of 4 prime factors.
6 , 1 , 98 , 100 , 447 , 265 , 9837 , 1712 , 62690 , 78376 , 851392 , 325418 , 338036 , 4341353 , 11702558 , 10078898 , 822365317 , 140761526 , 3660741786 , 6431723240
n×2
2578256
n×3
3867384
n×4
5156512
n×5
6445640
n÷2
644564
n÷3
429709.33333333
n÷3
322282
n÷5
257825.6
n2
1661851000384
n3
2142338656423025152
n4
2.7617487474773E+24
n5
3.5602476393379E+30
2 √n
1135.3977276708
3 √n
108.83418944257
4 √n
33.695663336263
5 √n
16.674745273869
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1289127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1289128 can be divided by 8 positive divisors.
The sum of these divisors (counting 1289128) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111010101110101000
3
Ternary
2102111100111
4
Quaternary
10322232220
5
Quinary
312223003
6
Senary
43344104
8
Octal
4725650
10
Decimal
1289128
12
Duodecimal
522034
16
Hexadecimal
13aba8
20
Vigesimal
812g8
36
Base36
rmp4
md5
fcf4685872303eb95fe91c2d4e25f994
sha1
7ff7b15f53eebb7bf527578f8a3b014d415fa087
sha256
c65b9be2401bd293622cf604d957ff29d777a7a5b324594888abe2cbc2ace510
sha512
5f0eefb73a0913ccb0af2ec9f382ea42e82a7fe1637f7c25a275bb61400067c7a0964e734521f682261d87cd8f871a4280d9a884576bd1cfb8302662fb8254fa
ripemd-160
e56a28616a1723559f1247f41f32ecc6c5217a3b
Diameter
2578256
Circumference
8099830.1086738
Area
5220858894167.2
Volume
8.97380717936E+18
Surface area
20883435576669
Circumference
8099830.1086738
Perimeter
5156512
Area
1661851000384
Diagonal
1823102.3012349
Surface area
9971106002304
Volume
2142338656423025152
Space diagonal
2232835.1934597
Perimeter
3867384
Area
719602591818.56
Altitude
1116417.5967298
Surface area
719602591818.56
Volume
2.524770319258E+17
Height
607700.7670783