128220993 is an odd 9-digits composite number following 128220992
and preceding 128220994 . In scientific notation, it is written as 1.28220993 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 85106016 positive integers (up to 128220993) that are relatively prime to 128220993.
128220993 has 12 divisors, whose sum is 186019860
The reverse of 128220993 is 399022821
Previous prime number is 229
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred twenty-eight million two hundred twenty thousand nine hundred ninety-three
Scientific notation
1.28220993 × 10^8
Engineering notation
1.28220993 × 10^6
Prime Factorization
3 × 3 × 229 × 62213
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
42740331 Product of the distinct prime numbers
The prime factorization of 128220993 is 3 × 3 × 229 × 62213.
Since it has a total of 4 prime factors.
4 , 6 , 74 , 84 , 985 , 415 , 7195 , 7380 , 98869 , 8567 , 271124 , 281541 , 7871112 , 1610980 , 92086637 , 25713148 , 327168361 , 508131965 , 3327889839 , 497390432
n×2
256441986
n×3
384662979
n×4
512883972
n×5
641104965
n÷2
64110496.5
n÷3
42740331
n÷3
32055248.25
n÷5
25644198.6
n2
16440623045906049
n3
2.1080330124848E+24
n4
2.7029408613758E+32
n5
3.4657376126588E+40
2 √n11323.470890147
3 √n504.25828833999
4 √n106.41179864163
5 √n41.84001457883
1 , 3 , 9 , 229 , 687 , 2061 , 62213 , 186639 , 559917 , 14246777 , 42740331 , 128220993
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
-128220992 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 128220993 can be divided by 12 positive divisors.
The sum of these divisors (counting 128220993) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001000111111101000001
3
Ternary
22221021022010200
4
Quaternary
13221013331001
5
Quinary
230311032433
6
Senary
20420115413
8
Octal
751077501
10
Decimal
128220993
12
Duodecimal
36b35b69
16
Hexadecimal
7a47f41
20
Vigesimal
2017c9d
36
Base36
24c7y9
md5
7a5888daa3302ef902047e49ff48ec10
sha1
03becf7eeda31b0b8b9f1c6a1648eb80cf2722d2
sha256
a28d82f7b32c2ae229d26f23be576c987819532feccd11240a1c3e9391d8db31
sha512
7d494b6e8302ec63bd6bf102d94f835aecc25a40f83b61d37b73b0d673e983a955d3ac4877108a9b51c08ba97a5c181a73f1e4848a9c540e4eb5f994fd1db15d
ripemd-160
ff8690034b478fdb257cb9e42ff7983afa98a5a9
Diameter
256441986
Circumference
805636259.28958
Area
5.1649740581457E+16
Volume
8.8301080340625E+24
Surface area
2.0659896232583E+17
Circumference
805636259.28958
Perimeter
512883972
Area
16440623045906049
Diagonal
181331867.28155
Surface area
98643738275436294
Volume
2.1080330124848E+24
Space diagonal
222085274.47293
Perimeter
384662979
Area
7.1189986058993E+15
Altitude
111042637.23647
Surface area
7.1189986058993E+15
Volume
2.4843407301551E+23
Height
60443955.760515