128998468 is an even 9-digits composite number following 128998467
and preceding 128998469 . In scientific notation, it is written as 1.28998468 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 63682632 positive integers (up to 128998468) that are relatively prime to 128998468.
128998468 has 12 divisors, whose sum is 228605440
The reverse of 128998468 is 864899821
Previous prime number is 79
Is Prime? no Number parity even Number length 9 Sum of Digits 55 Digital Root 1
Name
one hundred twenty-eight million nine hundred ninety-eight thousand four hundred sixty-eight
Scientific notation
1.28998468 × 10^8
Engineering notation
1.28998468 × 10^6
Prime Factorization
2 × 2 × 79 × 408223
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64499234 Product of the distinct prime numbers
The prime factorization of 128998468 is 2 × 2 × 79 × 408223.
Since it has a total of 4 prime factors.
5 , 4 , 100 , 90 , 662 , 586 , 6810 , 9068 , 86510 , 65298 , 498242 , 474746 , 235162 , 3175810 , 89950808 , 77866719 , 380242904 , 721595876 , 8318052016 , 7761392140
n×2
257996936
n×3
386995404
n×4
515993872
n×5
644992340
n÷2
64499234
n÷3
42999489.333333
n÷3
32249617
n÷5
25799693.6
n2
16640604746347024
n3
2.1466125188723E+24
n4
2.7690972632415E+32
n5
3.5720930470114E+40
2 √n11357.749248861
3 √n505.27543449322
4 √n106.57274158461
5 √n41.890631802242
1 , 2 , 4 , 79 , 158 , 316 , 408223 , 816446 , 1632892 , 32249617 , 64499234 , 128998468
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128998467 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128998468 can be divided by 12 positive divisors.
The sum of these divisors (counting 128998468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100000101110001000100
3
Ternary
22222201210122001
4
Quaternary
13230011301010
5
Quinary
231010422333
6
Senary
20444515044
8
Octal
754056104
10
Decimal
128998468
12
Duodecimal
3724ba84
16
Hexadecimal
7b05c44
20
Vigesimal
2064g38
36
Base36
24svus
md5
664e19660b28603cee5002e2769da1c3
sha1
24439791e0b6b643dfdae0fc333dcff1041abc0a
sha256
4e68de18a054dcbe223acfae4e80ff44edc5263037a39ec00b3c1916e74f71c9
sha512
420a77a970ea1ee04f518562091d6d4f9f32d718179ec22490ae420d8d88e12bc94b4940427a15fde6dc3b4bd18b5dd81cedbf38cfb8826a7d37eb59ed00c89e
ripemd-160
e5a60a096f96afcdfc0a229d80132eefaf836d92
Diameter
257996936
Circumference
810521278.78628
Area
5.2278001622415E+16
Volume
8.9917094925241E+24
Surface area
2.0911200648966E+17
Circumference
810521278.78628
Perimeter
515993872
Area
16640604746347024
Diagonal
182431382.97095
Surface area
99843628478082144
Volume
2.1466125188723E+24
Space diagonal
223431900.67455
Perimeter
386995404
Area
7.2055932223362E+15
Altitude
111715950.33727
Surface area
7.2055932223362E+15
Volume
2.5298071144576E+23
Height
60810460.990317