128247489 is an odd 9-digits composite number following 128247488
and preceding 128247490 . In scientific notation, it is written as 1.28247489 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 85498308 positive integers (up to 128247489) that are relatively prime to 128247489.
128247489 has 4 divisors, whose sum is 132997424
The reverse of 128247489 is 984742821
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million two hundred forty-seven thousand four hundred eighty-nine
Scientific notation
1.28247489 × 10^8
Engineering notation
1.28247489 × 10^6
Prime Factorization
27 × 4749907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128247489
Product of the distinct prime numbers
The prime factorization of 128247489 is 27 × 4749907.
Since it has a total of 2 prime factors.
8 , 5 , 75 , 80 , 398 , 919 , 9326 , 46 , 72511 , 97516 , 241923 , 564441 , 2896948 , 457075 , 10377752 , 22901025 , 573930311 , 994009456 , 2412810311 , 6202593398
n×2
256494978
n×3
384742467
n×4
512989956
n×5
641237445
n÷2
64123744.5
n÷3
42749163
n÷3
32061872.25
n÷5
25649497.8
n2
16447418434805121
n3
2.1093401147961E+24
n4
2.7051757316957E+32
n5
3.4693199489371E+40
2 √n
11324.640789005
3 √n
504.29301980139
4 √n
106.4172955351
5 √n
41.841743627059
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
-128247488
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 128247489 can be divided by 4 positive divisors.
The sum of these divisors (counting 128247489) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001001110011011000001
3
Ternary
22221022122111000
4
Quaternary
13221032123001
5
Quinary
230312404424
6
Senary
20420442213
8
Octal
751163301
10
Decimal
128247489
12
Duodecimal
36b49369
16
Hexadecimal
7a4e6c1
20
Vigesimal
201aie9
36
Base36
24cse9
md5
b91ee9973cceca4f6b568f12198d4904
sha1
a39c7503ca6cbae0b1601c6e118e63d271d51cfb
sha256
69870884d5ade5cfb7399cd0462a36790fbd772415e3fc1d3da4dbdb5c19ffe7
sha512
6dbe75db4431d3d42da528cb5a714d2a1abd792bfd7a5749aa7edcac4a2b02ab757072faf9663f2855dd71fab22b4113a7af8256ce44443e31868559b2e85fd9
ripemd-160
ade6817a09efbe9bb54fa8e8ac621cfca1ad6a5d
Diameter
256494978
Circumference
805802738.56748
Area
5.1671088925301E+16
Volume
8.8355832114208E+24
Surface area
2.066843557012E+17
Circumference
805802738.56748
Perimeter
512989956
Area
16447418434805121
Diagonal
181369338.28409
Surface area
98684510608830726
Volume
2.1093401147961E+24
Space diagonal
222131166.89113
Perimeter
384742467
Area
7.1219410956069E+15
Altitude
111065583.44557
Surface area
7.1219410956069E+15
Volume
2.4858811650018E+23
Height
60456446.094698