128216209 is an odd 9-digits composite number following 128216208
and preceding 128216210 . In scientific notation, it is written as 1.28216209 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 116323440 positive integers (up to 128216209) that are relatively prime to 128216209.
128216209 has 8 divisors, whose sum is 140156352
The reverse of 128216209 is 902612821
Previous prime number is 503
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million two hundred sixteen thousand two hundred nine
Scientific notation
1.28216209 × 10^8
Engineering notation
1.28216209 × 10^6
Prime Factorization
11 × 503 × 23173
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128216209
Product of the distinct prime numbers
The prime factorization of 128216209 is 11 × 503 × 23173.
Since it has a total of 3 prime factors.
8 , 7 , 19 , 85 , 103 , 393 , 3264 , 6476 , 27546 , 87131 , 40991 , 272542 , 5290273 , 2765699 , 33970782 , 10949610 , 417172937 , 55851014 , 2492242756 , 2429907697
n×2
256432418
n×3
384648627
n×4
512864836
n×5
641081045
n÷2
64108104.5
n÷3
42738736.333333
n÷3
32054052.25
n÷5
25643241.8
n2
16439396250331681
n3
2.1077970654663E+24
n4
2.7025374907542E+32
n5
3.4650911174488E+40
2 √n
11323.259645526
3 √n
504.25201687176
4 √n
106.41080605618
5 √n
41.839702359103
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216209 can be divided by 8 positive divisors.
The sum of these divisors (counting 128216209) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000110110010010001
3
Ternary
22221021001120111
4
Quaternary
13221012302101
5
Quinary
230310404314
6
Senary
20420041321
8
Octal
751066221
10
Decimal
128216209
12
Duodecimal
36b33241
16
Hexadecimal
7a46c91
20
Vigesimal
20170a9
36
Base36
24c49d
md5
874c22d9745b580ab961740dd6fbc2f0
sha1
f4a32c4bb6d795c59ddefcee8dc3ae0c8b4f39bf
sha256
eb94f6eeffa9e36191e38b4b88a96248df46d8b52701ca44ebc02a24bb0ab7d4
sha512
4e7064f368eca7d579e84693bb9fe6bdf732ddc1d5bbfc6b8d0efd6389bd1b2aff59449a85de44211f9c914daeb0a2a8c0e811aab2c90471b2cb8533aad9bb35
ripemd-160
e92392355d5fd52867de21d055bbca6ba2ca1d21
Diameter
256432418
Circumference
805606200.53107
Area
5.1645886489494E+16
Volume
8.8291197015029E+24
Surface area
2.0658354595797E+17
Circumference
805606200.53107
Perimeter
512864836
Area
16439396250331681
Diagonal
181325101.68386
Surface area
98636377501990086
Volume
2.1077970654663E+24
Space diagonal
222076988.34187
Perimeter
384648627
Area
7.1184673878329E+15
Altitude
111038494.17093
Surface area
7.1184673878329E+15
Volume
2.4840626639273E+23
Height
60441700.561288