128125849 is an odd 9-digits composite number following 128125848
and preceding 128125850 . In scientific notation, it is written as 1.28125849 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 128099620 positive integers (up to 128125849) that are relatively prime to 128125849.
128125849 has 4 divisors, whose sum is 128152080
The reverse of 128125849 is 948521821
Previous prime number is 6491
Is Prime? no Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-eight million one hundred twenty-five thousand eight hundred forty-nine
Scientific notation
1.28125849 × 10^8
Engineering notation
1.28125849 × 10^6
Prime Factorization
6491 × 19739
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128125849 Product of the distinct prime numbers
The prime factorization of 128125849 is 6491 × 19739.
Since it has a total of 2 prime factors.
8 , 1 , 100 , 59 , 680 , 593 , 6780 , 7847 , 24300 , 25541 , 97390 , 164470 , 7989739 , 6088513 , 82018274 , 90888149 , 3379715 , 566151116 , 3956255385 , 3337012739
n×2
256251698
n×3
384377547
n×4
512503396
n×5
640629245
n÷2
64062924.5
n÷3
42708616.333333
n÷3
32031462.25
n÷5
25625169.8
n2
16416233181970801
n3
2.103343813822E+24
n4
2.6949271188484E+32
n5
3.4528982509557E+40
2 √n11319.268925156
3 √n504.13353231992
4 √n106.39205292293
5 √n41.833803414278
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128125848 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128125849 can be divided by 4 positive divisors.
The sum of these divisors (counting 128125849) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110000101110011001
3
Ternary
22221002110121211
4
Quaternary
13220300232121
5
Quinary
230300011344
6
Senary
20414103121
8
Octal
750605631
10
Decimal
128125849
12
Duodecimal
36aaaaa1
16
Hexadecimal
7a30b99
20
Vigesimal
200fec9
36
Base36
24a6jd
md5
680db9dc243c90fa21e6c582e8106b77
sha1
29d7e80cf06ab9f947ce5bfe6cbc6ebab5f02621
sha256
2246d11aa8ba5283acc8c957fdd31ff9f54ab5ff7c02d0475245bffc2e886502
sha512
660b39cd8f4e8794f182add89ef9b7deffc9076455398bef04300ad8d9261da05d2767940b1983599ce6efe72b85775f09cfbbc8cda66acd3d98ddd040483b63
ripemd-160
9d840ec4aa06d0917ab8522ea2c1a3bf562c4a87
Diameter
256251698
Circumference
805038451.90671
Area
5.1573117564096E+16
Volume
8.8104659646356E+24
Surface area
2.0629247025639E+17
Circumference
805038451.90671
Perimeter
512503396
Area
16416233181970801
Diagonal
181197313.34637
Surface area
98497399091824806
Volume
2.103343813822E+24
Space diagonal
221920480.2309
Perimeter
384377547
Area
7.1084374850179E+15
Altitude
110960240.11545
Surface area
7.1084374850179E+15
Volume
2.4788144565338E+23
Height
60399104.448789