128642743 is an odd 9-digits prime number following 128642742
and preceding 128642744 . In scientific notation, it is written as 1.28642743 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 128642742 positive integers (up to 128642743) that are relatively prime to 128642743.
128642743 has 2 divisors, whose sum is 128642744
The reverse of 128642743 is 347246821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million six hundred forty-two thousand seven hundred forty-three
Scientific notation
1.28642743 × 10^8
Engineering notation
1.28642743 × 10^6
Prime Factorization
128642743
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128642743
Product of the distinct prime numbers
The prime factorization of 128642743 is 128642743.
Since it has a total of 1 prime factors.
1 , 3 , 40 , 8 , 584 , 674 , 2475 , 6650 , 31812 , 75785 , 91216 , 877983 , 5549225 , 2214414 , 73217363 , 40449217 , 766822706 , 197521225 , 8114988535 , 7710699952
n×2
257285486
n×3
385928229
n×4
514570972
n×5
643213715
n÷2
64321371.5
n÷3
42880914.333333
n÷3
32160685.75
n÷5
25728548.6
n2
16548955326564049
n3
2.1289030069937E+24
n4
2.7386792240061E+32
n5
3.5231120757326E+40
2 √n
11342.078425051
3 √n
504.81055927432
4 √n
106.49919448076
5 √n
41.867502831141
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128642744
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64321372
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11342.078469134
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844531
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128642743 can be divided by 2 positive divisors.
The sum of these divisors (counting 128642743) is 128642744, the average is 64321372.
Base
System
Value
2
Binary
111101010101110111010110111
3
Ternary
22222001201200001
4
Quaternary
13222232322313
5
Quinary
230413031433
6
Senary
20433132131
8
Octal
752567267
10
Decimal
128642743
12
Duodecimal
370ba047
16
Hexadecimal
7aaeeb7
20
Vigesimal
20406h3
36
Base36
24l9dj
md5
a04e5ad7671a6e544c85af9fa9c8bb13
sha1
e8f79adff9cd6532af4949286bc0eb61b45ca185
sha256
290203a7a47c6df7f3a1091990a84c1e6e26540b6600de7d22e8b51925573ec4
sha512
1158c842f99cf962fb41f7205da94bff8327478f6381657ab0452d5567cca864ee83c5fe347419c90d585f7de769271690db9f5a32c69d088e6d321e4d2b6a3f
ripemd-160
67f6df3fbd7acb0a56cd10cbbfbf7658788e96d9
Diameter
257285486
Circumference
808286192.69288
Area
5.1990076478519E+16
Volume
8.9175280626353E+24
Surface area
2.0796030591408E+17
Circumference
808286192.69288
Perimeter
514570972
Area
16548955326564049
Diagonal
181928311.85148
Surface area
99293731959384294
Volume
2.1289030069937E+24
Space diagonal
222815766.90103
Perimeter
385928229
Area
7.1659078594491E+15
Altitude
111407883.45051
Surface area
7.1659078594491E+15
Volume
2.5089362545561E+23
Height
60642770.617159