128894246 is an even 9-digits composite number following 128894245
and preceding 128894247 . In scientific notation, it is written as 1.28894246 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 59489640 positive integers (up to 128894246) that are relatively prime to 128894246.
128894246 has 8 divisors, whose sum is 208213824
The reverse of 128894246 is 642498821
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million eight hundred ninety-four thousand two hundred forty-six
Scientific notation
1.28894246 × 10^8
Engineering notation
1.28894246 × 10^6
Prime Factorization
2 × 13 × 4957471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128894246
Product of the distinct prime numbers
The prime factorization of 128894246 is 2 × 13 × 4957471.
Since it has a total of 3 prime factors.
4 , 1 , 50 , 61 , 791 , 10 , 1420 , 581 , 32767 , 89070 , 943395 , 665038 , 1574169 , 8806118 , 64955382 , 80608304 , 882908173 , 343940249 , 3768826078 , 1588983685
n×2
257788492
n×3
386682738
n×4
515576984
n×5
644471230
n÷2
64447123
n÷3
42964748.666667
n÷3
32223561.5
n÷5
25778849.2
n2
16613726651908516
n3
2.1414137700479E+24
n4
2.7601591326434E+32
n5
3.5576863024208E+40
2 √n
11353.160176797
3 √n
505.13932175318
4 √n
106.55120917567
5 √n
41.883860656618
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
-128894245
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 128894246 can be divided by 8 positive divisors.
The sum of these divisors (counting 128894246) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011101100010100100110
3
Ternary
22222112111122222
4
Quaternary
13223230110212
5
Quinary
230444103441
6
Senary
20442352342
8
Octal
753542446
10
Decimal
128894246
12
Duodecimal
371bb6b2
16
Hexadecimal
7aec526
20
Vigesimal
205bfc6
36
Base36
24qnfq
md5
ae7a173322f6c116f9dc531b27b52cc6
sha1
7c98d60b3e525429fa713a990e5ea1d1c8308483
sha256
f16e0015ff3b52f9d9b03d4cdee3e6eb1a91866b9cbfb3704d24ec2a045c753c
sha512
f8119231f8798acbab2c0ff6814f1c696e91480d01f069b3962a4ea6a304e9ce8cbd0a2e939cd8f1f7519bf21b6f9a8974cff145dbd25843199c925e552d9638
ripemd-160
a3717c31e4f8a5f021888acc359561830a5b652a
Diameter
257788492
Circumference
809866432.64719
Area
5.2193561598385E+16
Volume
8.9699330243711E+24
Surface area
2.0877424639354E+17
Circumference
809866432.64719
Perimeter
515576984
Area
16613726651908516
Diagonal
182283990.80505
Surface area
99682359911451096
Volume
2.1414137700479E+24
Space diagonal
223251382.87528
Perimeter
386682738
Area
7.1939546660417E+15
Altitude
111625691.43764
Surface area
7.1939546660417E+15
Volume
2.5236803302118E+23
Height
60761330.268351