128216495 is an odd 9-digits composite number following 128216494
and preceding 128216496 . In scientific notation, it is written as 1.28216495 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 92372640 positive integers (up to 128216495) that are relatively prime to 128216495.
128216495 has 16 divisors, whose sum is 169423488
The reverse of 128216495 is 594612821
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million two hundred sixteen thousand four hundred ninety-five
Scientific notation
1.28216495 × 10^8
Engineering notation
1.28216495 × 10^6
Prime Factorization
5 × 11 × 107 × 21787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128216495
Product of the distinct prime numbers
The prime factorization of 128216495 is 5 × 11 × 107 × 21787.
Since it has a total of 4 prime factors.
9 , 5 , 64 , 33 , 293 , 193 , 7701 , 603 , 3588 , 75994 , 556414 , 202444 , 3223106 , 9341318 , 82932956 , 79519522 , 855420363 , 350505790 , 4221067816 , 3577296187
n×2
256432990
n×3
384649485
n×4
512865980
n×5
641082475
n÷2
64108247.5
n÷3
42738831.666667
n÷3
32054123.75
n÷5
25643299
n2
16439469590085025
n3
2.1078111704998E+24
n4
2.7025616040333E+32
n5
3.4651297639073E+40
2 √n
11323.272274391
3 √n
504.25239180087
4 √n
106.41086539631
5 √n
41.839721024675
1 , 5 , 11 , 55 , 107 , 535 , 1177 , 5885 , 21787 , 108935 , 239657 , 1198285 , 2331209 , 11656045 , 25643299 , 128216495
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216494
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216495 can be divided by 16 positive divisors.
The sum of these divisors (counting 128216495) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000110110110101111
3
Ternary
22221021001222002
4
Quaternary
13221012312233
5
Quinary
230310411440
6
Senary
20420042515
8
Octal
751066657
10
Decimal
128216495
12
Duodecimal
36b3343b
16
Hexadecimal
7a46daf
20
Vigesimal
201714f
36
Base36
24c4hb
md5
fb5125533ab4013058a9738f1948438b
sha1
a10646ae7e7867ee04619217e817dd130f143a59
sha256
39c0e09c4483fcf92801f8b060ae1392e012170b831fb57aab9f122e0c19252d
sha512
46df149a14383bac059fe6587c0937f954c1f24f8a6667f78d4e7cccdbbf4db6ae62bfee442a910dd9601e7bc09b9df6e3e935c3e75715ae7aca55ebeebf652c
ripemd-160
d07eaa6c8873bb4ad6e5d9581e460f59dacfed51
Diameter
256432990
Circumference
805607997.52206
Area
5.1646116893124E+16
Volume
8.8291787845289E+24
Surface area
2.065844675725E+17
Circumference
805607997.52206
Perimeter
512865980
Area
16439469590085025
Diagonal
181325506.14894
Surface area
98636817540510150
Volume
2.1078111704998E+24
Space diagonal
222077483.7084
Perimeter
384649485
Area
7.1184991448777E+15
Altitude
111038741.8542
Surface area
7.1184991448777E+15
Volume
2.4840792868686E+23
Height
60441835.382981