128247394 is an even 9-digits composite number following 128247393
and preceding 128247395 . In scientific notation, it is written as 1.28247394 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 57294720 positive integers (up to 128247394) that are relatively prime to 128247394.
128247394 has 32 divisors, whose sum is 213497856
The reverse of 128247394 is 493742821
Previous prime number is 233
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million two hundred forty-seven thousand three hundred ninety-four
Scientific notation
1.28247394 × 10^8
Engineering notation
1.28247394 × 10^6
Prime Factorization
2 × 11 × 127 × 233 × 197
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128247394
Product of the distinct prime numbers
The prime factorization of 128247394 is 2 × 11 × 127 × 233 × 197.
Since it has a total of 5 prime factors.
5 , 2 , 7 , 53 , 427 , 601 , 2275 , 1108 , 80516 , 52236 , 192079 , 201490 , 3880396 , 3797959 , 57029358 , 59715545 , 791475890 , 587307676 , 2907915057 , 3240402492
n×2
256494788
n×3
384742182
n×4
512989576
n×5
641236970
n÷2
64123697
n÷3
42749131.333333
n÷3
32061848.5
n÷5
25649478.8
n2
16447394067791236
n3
2.1093354272853E+24
n4
2.7051677162121E+32
n5
3.4693070993714E+40
2 √n
11324.636594611
3 √n
504.29289528212
4 √n
106.4172758278
5 √n
41.841737428159
1 , 2 , 11 , 22 , 127 , 197 , 233 , 254 , 394 , 466 , 1397 , 2167 , 2563 , 2794 , 4334 , 5126 , 25019 , 29591 , 45901 , 50038 , 59182 , 91802 , 275209 , 325501 , 504911 , 550418 , 651002 , 1009822 , 5829427 , 11658854 , 64123697 , 128247394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128247393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128247394 can be divided by 32 positive divisors.
The sum of these divisors (counting 128247394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001001110011001100010
3
Ternary
22221022122100111
4
Quaternary
13221032121202
5
Quinary
230312404034
6
Senary
20420441534
8
Octal
751163142
10
Decimal
128247394
12
Duodecimal
36b492aa
16
Hexadecimal
7a4e662
20
Vigesimal
201ai9e
36
Base36
24csbm
md5
17e7fca6384f1e0fd91c4dd0e76edafd
sha1
cc0a24fdd7572db730d908d68cab13abf045b388
sha256
0b49c002a08de6139251c29d46bf7d1c340c846d7349f7864e4831ec636d5395
sha512
ee375630955fcd250fb2d311debea32acf2ed3028ee42fa3985d659563bbe962edd1fba498681eb452f4ebd1edb78dd9f13d1676e534eebe9b9b0d06b38fbf0b
ripemd-160
3c15cd43a434972babbb4faa2732505b3697fba7
Diameter
256494788
Circumference
805802141.66487
Area
5.1671012374069E+16
Volume
8.8355635764215E+24
Surface area
2.0668404949628E+17
Circumference
805802141.66487
Perimeter
512989576
Area
16447394067791236
Diagonal
181369203.93381
Surface area
98684364406747416
Volume
2.1093354272853E+24
Space diagonal
222131002.3463
Perimeter
384742182
Area
7.1219305443803E+15
Altitude
111065501.17315
Surface area
7.1219305443803E+15
Volume
2.4858756407174E+23
Height
60456401.311269