128957488 is an even 9-digits composite number following 128957487
and preceding 128957489 . In scientific notation, it is written as 1.28957488 × 10^8.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 58616960 positive integers (up to 128957488) that are relatively prime to 128957488.
128957488 has 20 divisors, whose sum is 272569608
The reverse of 128957488 is 884759821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-eight million nine hundred fifty-seven thousand four hundred eighty-eight
Scientific notation
1.28957488 × 10^8
Engineering notation
1.28957488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 732713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16119686
Product of the distinct prime numbers
The prime factorization of 128957488 is 2 × 2 × 2 × 2 × 11 × 732713.
Since it has a total of 6 prime factors.
6 , 2 , 70 , 44 , 843 , 80 , 3862 , 2163 , 84018 , 74283 , 173389 , 947732 , 4384860 , 1032130 , 27922629 , 16450335 , 199170254 , 367462726 , 1596142186 , 3014454465
n×2
257914976
n×3
386872464
n×4
515829952
n×5
644787440
n÷2
64478744
n÷3
42985829.333333
n÷3
32239372
n÷5
25791497.6
n2
16630033711270144
n3
2.1445673727607E+24
n4
2.7655802123798E+32
n5
3.5664227705101E+40
2 √n
11355.945050941
3 √n
505.22192383105
4 √n
106.56427661717
5 √n
41.887969915942
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 732713 , 1465426 , 2930852 , 5861704 , 8059843 , 11723408 , 16119686 , 32239372 , 64478744 , 128957488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128957487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128957488 can be divided by 20 positive divisors.
The sum of these divisors (counting 128957488) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101011111011110000110000
3
Ternary
22222122201102021
4
Quaternary
13223323300300
5
Quinary
231003114423
6
Senary
20444001224
8
Octal
753736060
10
Decimal
128957488
12
Duodecimal
37230214
16
Hexadecimal
7afbc30
20
Vigesimal
205jde8
36
Base36
24s08g
md5
4def423893769b5b1d23ad5b290c2c78
sha1
70d387c68e86211bbe19e5eebef06d8d3db73d01
sha256
eabcf99831ff0e800c22b44a303ea805b7d7a6b816feb80eed23a6c52afc1f20
sha512
f11fac11f094ae669e0451e3a7b71d5cc6ca4bc60368bba613d9ef34e0f3bce9bcbcfb6e431dbf4d5b92ada6f23f6ec1bab8020843ddb339b104c2cbbd505c58
ripemd-160
0d313e54c56d6bd731aa27c993280741736ce510
Diameter
257914976
Circumference
810263793.85239
Area
5.2244791736277E+16
Volume
8.9831428045246E+24
Surface area
2.0897916694511E+17
Circumference
810263793.85239
Perimeter
515829952
Area
16630033711270144
Diagonal
182373428.49917
Surface area
99780202267620864
Volume
2.1445673727607E+24
Space diagonal
223360921.23245
Perimeter
386872464
Area
7.2010158298758E+15
Altitude
111680460.61623
Surface area
7.2010158298758E+15
Volume
2.5273968866509E+23
Height
60791142.833055