128121517 is an odd 9-digits prime number following 128121516
and preceding 128121518 . In scientific notation, it is written as 1.28121517 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 128121516 positive integers (up to 128121517) that are relatively prime to 128121517.
128121517 has 2 divisors, whose sum is 128121518
The reverse of 128121517 is 715121821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred twenty-eight million one hundred twenty-one thousand five hundred seventeen
Scientific notation
1.28121517 × 10^8
Engineering notation
1.28121517 × 10^6
Prime Factorization
128121517
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128121517 Product of the distinct prime numbers
The prime factorization of 128121517 is 128121517.
Since it has a total of 1 prime factors.
9 , 7 , 29 , 21 , 477 , 906 , 2071 , 4333 , 76068 , 49074 , 491907 , 304390 , 1288291 , 6401293 , 33800323 , 77852725 , 283168279 , 376221784 , 7850692979 , 2027527068
n×2
256243034
n×3
384364551
n×4
512486068
n×5
640607585
n÷2
64060758.5
n÷3
42707172.333333
n÷3
32030379.25
n÷5
25624303.4
n2
16415123118381289
n3
2.1031304756688E+24
n4
2.6945626699162E+32
n5
3.4523145692123E+40
2 √n11319.077568424
3 √n504.12785058566
4 √n106.3911536192
5 √n41.833520526026
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128121518 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64060759 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11319.077612597 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999843898 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128121517 can be divided by 2 positive divisors.
The sum of these divisors (counting 128121517) is 128121518, the average is 64060759.
Base
System
Value
2
Binary
111101000101111101010101101
3
Ternary
22221002020200101
4
Quaternary
13220233222231
5
Quinary
230244342032
6
Senary
20414031101
8
Octal
750575255
10
Decimal
128121517
12
Duodecimal
36aa8491
16
Hexadecimal
7a2faad
20
Vigesimal
200f3fh
36
Base36
24a371
md5
14ace73092866017624cc7fd65ef7b05
sha1
276c0d0f4a054fd57fc9ab0f1711fbb7ee8481b7
sha256
415f5a993e124502c6682d88a24ee87fd21e3c91d562b7d09d933647d7c4488b
sha512
b4cb42f7c876de8a68b4f6423dacd45acb7bb885e5fbfc61c6d21dd17f1c910565ac6bab49a3cf36ca3667dd52070bb6cddc75bb865538c88c0c8564562bacd8
ripemd-160
1dcdf8c431546c85950c80ee63478ea6884aff7c
Diameter
256243034
Circumference
805011233.14796
Area
5.1569630196479E+16
Volume
8.8095723358691E+24
Surface area
2.0627852078591E+17
Circumference
805011233.14796
Perimeter
512486068
Area
16415123118381289
Diagonal
181191186.97322
Surface area
98490738710287734
Volume
2.1031304756688E+24
Space diagonal
221912976.9868
Perimeter
384364551
Area
7.1079568133837E+15
Altitude
110956488.4934
Surface area
7.1079568133837E+15
Volume
2.4785630351091E+23
Height
60397062.324405