128111520 is an even 9-digits composite number following 128111519
and preceding 128111521 . In scientific notation, it is written as 1.28111520 × 10^8.
The sum of its digits is 21. It has a total of 7 prime factors and 24 positive divisors.
There are 34162944 positive integers (up to 128111520) that are relatively prime to 128111520.
128111520 has 24 divisors, whose sum is 269035200
The reverse of 128111520 is 025111821
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-eight million one hundred eleven thousand five hundred twenty
Scientific notation
1.28111520 × 10^8
Engineering notation
1.28111520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 15 × 266899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8006970
Product of the distinct prime numbers
The prime factorization of 128111520 is 2 × 2 × 2 × 2 × 2 × 15 × 266899.
Since it has a total of 7 prime factors.
5 , 2 , 60 , 76 , 596 , 312 , 1032 , 2674 , 66192 , 72502 , 27366 , 507014 , 6472550 , 8938669 , 7296751 , 3248299 , 376513345 , 46085898 , 8924391470 , 3997411346
n×2
256223040
n×3
384334560
n×4
512446080
n×5
640557600
n÷2
64055760
n÷3
42703840
n÷3
32027880
n÷5
25622304
n2
16412561556710400
n3
2.1026382081237E+24
n4
2.6937217685281E+32
n5
3.4509679022322E+40
2 √n
11318.635960221
3 √n
504.11473830152
4 √n
106.38907819988
5 √n
41.832867672754
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 120 , 240 , 480 , 266899 , 533798 , 1067596 , 2135192 , 4003485 , 4270384 , 8006970 , 8540768 , 16013940 , 32027880 , 64055760 , 128111520
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128111519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128111520 can be divided by 24 positive divisors.
The sum of these divisors (counting 128111520) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101000101101001110100000
3
Ternary
22221001201222010
4
Quaternary
13220231032200
5
Quinary
230244032040
6
Senary
20413512520
8
Octal
750551640
10
Decimal
128111520
12
Duodecimal
36aa2740
16
Hexadecimal
7a2d3a0
20
Vigesimal
200dig0
36
Base36
249vhc
md5
ca49e9fa374d59ab3ae4b2cf05ba03fc
sha1
d44f664b4e0976abf6c67239a01a0903765500e3
sha256
3ebd882cfe4c60ebe94074dae760ececf690588dcf67334ac393320ffc41fcbf
sha512
0bf2c9e62fea232906eeac16f094fbd10698c65de70af3d42012d5cb252e81996863ecdc570ff95f9e253b476b539f29f7d2e9a0b702e620c39567ec68d3c6e4
ripemd-160
9454d5eeddbca4980adb775d3365a884fd96097b
Diameter
256223040
Circumference
804948420.14444
Area
5.1561582813152E+16
Volume
8.8075103303983E+24
Surface area
2.0624633125261E+17
Circumference
804948420.14444
Perimeter
512446080
Area
16412561556710400
Diagonal
181177049.08023
Surface area
98475369340262400
Volume
2.1026382081237E+24
Space diagonal
221895661.67488
Perimeter
384334560
Area
7.1068476246435E+15
Altitude
110947830.83744
Surface area
7.1068476246435E+15
Volume
2.4779828922437E+23
Height
60392349.693411