128642057 is an odd 9-digits composite number following 128642056
and preceding 128642058 . In scientific notation, it is written as 1.28642057 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 124206096 positive integers (up to 128642057) that are relatively prime to 128642057.
128642057 has 4 divisors, whose sum is 133078020
The reverse of 128642057 is 750246821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million six hundred forty-two thousand fifty-seven
Scientific notation
1.28642057 × 10^8
Engineering notation
1.28642057 × 10^6
Prime Factorization
29 × 4435933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128642057
Product of the distinct prime numbers
The prime factorization of 128642057 is 29 × 4435933.
Since it has a total of 2 prime factors.
4 , 5 , 63 , 68 , 120 , 36 , 4647 , 9862 , 4896 , 79808 , 451701 , 289669 , 365772 , 1449749 , 95217795 , 17048486 , 907862567 , 819259829 , 659920156 , 1511912097
n×2
257284114
n×3
385926171
n×4
514568228
n×5
643210285
n÷2
64321028.5
n÷3
42880685.666667
n÷3
32160514.25
n÷5
25728411.4
n2
16548778829191249
n3
2.1288689494252E+24
n4
2.7386208073749E+32
n5
3.5230181400371E+40
2 √n
11342.048183639
3 √n
504.80966195551
4 √n
106.49905250113
5 √n
41.867458178536
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
-128642056
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 128642057 can be divided by 4 positive divisors.
The sum of these divisors (counting 128642057) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010101110110000001001
3
Ternary
22222001200201122
4
Quaternary
13222232300021
5
Quinary
230413021212
6
Senary
20433125025
8
Octal
752566011
10
Decimal
128642057
12
Duodecimal
370b9775
16
Hexadecimal
7aaec09
20
Vigesimal
204052h
36
Base36
24l8uh
md5
25d26688e164c1f1a92e0eaeac385300
sha1
c1c8660b827285d8983ceb3eaa49659421630c15
sha256
ec5605612f4162b1fe568851377a0fe180c6c0d4967c2befb88f083bb43819c2
sha512
9163b7a1cb6979eb6c68b3e815167b0bc2bfabc048d102690379edb7c11bf3b17dd626eb9945fe29d230506bca3eb55e8f2950c6ad1d69983d7c01c49f1071f1
ripemd-160
5004e9840dc813f9b671761c6c783ace5558e00e
Diameter
257284114
Circumference
808281882.42776
Area
5.198952199567E+16
Volume
8.9173854026262E+24
Surface area
2.0795808798268E+17
Circumference
808281882.42776
Perimeter
514568228
Area
16548778829191249
Diagonal
181927341.70097
Surface area
99292672975147494
Volume
2.1288689494252E+24
Space diagonal
222814578.71417
Perimeter
385926171
Area
7.1658314338449E+15
Altitude
111407289.35709
Surface area
7.1658314338449E+15
Volume
2.5088961173268E+23
Height
60642447.233658