128247268 is an even 9-digits composite number following 128247267
and preceding 128247269 . In scientific notation, it is written as 1.28247268 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 64123632 positive integers (up to 128247268) that are relatively prime to 128247268.
128247268 has 6 divisors, whose sum is 224432726
The reverse of 128247268 is 862742821
Previous prime number is 2
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 two hundred sixty-eight
Scientific notation
1.28247268 × 10^8
Engineering notation
1.28247268 × 10^6
Prime Factorization
2 × 2 × 32061817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64123634
Product of the distinct prime numbers
The prime factorization of 128247268 is 2 × 2 × 32061817.
Since it has a total of 3 prime factors.
1 , 6 , 90 , 32 , 731 , 557 , 2488 , 589 , 22768 , 91786 , 450151 , 561587 , 6540451 , 9453137 , 6801055 , 82495246 , 410748413 , 236492190 , 4454179394 , 9427576068
n×2
256494536
n×3
384741804
n×4
512989072
n×5
641236340
n÷2
64123634
n÷3
42749089.333333
n÷3
32061817
n÷5
25649453.6
n2
16447361749463824
n3
2.1093292101764E+24
n4
2.7051570851773E+32
n5
3.4692900568483E+40
2 √n
11324.631031517
3 √n
504.29273013016
4 √n
106.41724968969
5 √n
41.841729206454
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
-128247267
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 128247268 can be divided by 6 positive divisors.
The sum of these divisors (counting 128247268) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101001001110010111100100
3
Ternary
22221022122011211
4
Quaternary
13221032113210
5
Quinary
230312403033
6
Senary
20420441204
8
Octal
751162744
10
Decimal
128247268
12
Duodecimal
36b49204
16
Hexadecimal
7a4e5e4
20
Vigesimal
201ai38
36
Base36
24cs84
md5
c5cd684b22bd89684421d908a441133f
sha1
c1b227a16feb9a1166743fd2a90c9a5a8a90ebdf
sha256
754069e76885ce78821d7c0ec96bd361ce35787c77f3331e89c8127f034b92c5
sha512
d86f6f857111b5e989fc938084267cb148d6c612fb0717e08919a56403a3b1fb0be5e12e254a8c053b38bf6fc2223226d6ef7aa1f7d8770eaaa4a3937d3236a1
ripemd-160
b6015622fe09fe9d47b0ca01b8af9bd5a4371539
Diameter
256494536
Circumference
805801349.98352
Area
5.1670910843049E+16
Volume
8.8355375342569E+24
Surface area
2.066836433722E+17
Circumference
805801349.98352
Perimeter
512989072
Area
16447361749463824
Diagonal
181369025.7429
Surface area
98684170496782944
Volume
2.1093292101764E+24
Space diagonal
222130784.1079
Perimeter
384741804
Area
7.1219165501341E+15
Altitude
111065392.05395
Surface area
7.1219165501341E+15
Volume
2.4858683137844E+23
Height
60456341.914299