128218513 is an odd 9-digits prime number following 128218512
and preceding 128218514 . In scientific notation, it is written as 1.28218513 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 128218512 positive integers (up to 128218513) that are relatively prime to 128218513.
128218513 has 2 divisors, whose sum is 128218514
The reverse of 128218513 is 315812821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred twenty-eight million two hundred eighteen thousand five hundred thirteen
Scientific notation
1.28218513 × 10^8
Engineering notation
1.28218513 × 10^6
Prime Factorization
128218513
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128218513 Product of the distinct prime numbers
The prime factorization of 128218513 is 128218513.
Since it has a total of 1 prime factors.
1 , 3 , 10 , 17 , 664 , 461 , 9888 , 4552 , 43835 , 7987 , 956224 , 524361 , 2006910 , 934743 , 45628151 , 3485211 , 601555034 , 287912437 , 9717296827 , 3593756829
n×2
256437026
n×3
384655539
n×4
512874052
n×5
641092565
n÷2
64109256.5
n÷3
42739504.333333
n÷3
32054628.25
n÷5
25643702.6
n2
16439987075931169
n3
2.1079106966151E+24
n4
2.7027317505678E+32
n5
3.465402460957E+40
2 √n11323.361382558
3 √n504.25503726389
4 √n106.41128409411
5 √n41.839852726958
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128218514 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64109257 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11323.361426714 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844016 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128218513 can be divided by 2 positive divisors.
The sum of these divisors (counting 128218513) is 128218514, the average is 64109257.
Base
System
Value
2
Binary
111101001000111010110010001
3
Ternary
22221021011201211
4
Quaternary
13221013112101
5
Quinary
230310443023
6
Senary
20420100121
8
Octal
751072621
10
Decimal
128218513
12
Duodecimal
36b34641
16
Hexadecimal
7a47591
20
Vigesimal
201765d
36
Base36
24c61d
md5
c49e1cb36016b7b9486158ba2c8ac8d2
sha1
d0b9e0a821eb1f4a20f1f515c5957bbf8ba80189
sha256
8dfd1e5a489a9d5cfb60d33203769271068172279082fbb0cd567ba996adea65
sha512
fbb9d6fed655a47f7a6afc5f6cd89fbf5e859c535121d74c28b64e69b97f29e8f5c95f4c0bbf4ce30c51b1703863d9b4f619313a32e99076080181d10bf06880
ripemd-160
46a6a4cf48f3b19e69b2201c02be43a7771253c6
Diameter
256437026
Circumference
805620676.99001
Area
5.1647742622857E+16
Volume
8.8295956785458E+24
Surface area
2.0659097049143E+17
Circumference
805620676.99001
Perimeter
512874052
Area
16439987075931169
Diagonal
181328360.03191
Surface area
98639922455587014
Volume
2.1079106966151E+24
Space diagonal
222080978.98693
Perimeter
384655539
Area
7.1187232228221E+15
Altitude
111040489.49347
Surface area
7.1187232228221E+15
Volume
2.4841965795203E+23
Height
60442786.677304