128216208 is an even 9-digits composite number following 128216207
and preceding 128216209 . In scientific notation, it is written as 1.28216208 × 10^8.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 42738720 positive integers (up to 128216208) that are relatively prime to 128216208.
128216208 has 20 divisors, whose sum is 331225328
The reverse of 128216208 is 802612821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million two hundred sixteen thousand two hundred eight
Scientific notation
1.28216208 × 10^8
Engineering notation
1.28216208 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 2671171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16027026
Product of the distinct prime numbers
The prime factorization of 128216208 is 2 × 2 × 2 × 2 × 3 × 2671171.
Since it has a total of 6 prime factors.
4 , 10 , 94 , 94 , 270 , 261 , 461 , 2393 , 3525 , 75950 , 927924 , 179226 , 186494 , 5839920 , 71562450 , 21537315 , 784754426 , 413303947 , 4823598518 , 9808415568
n×2
256432416
n×3
384648624
n×4
512864832
n×5
641081040
n÷2
64108104
n÷3
42738736
n÷3
32054052
n÷5
25643241.6
n2
16439395993899264
n3
2.1077970161482E+24
n4
2.7025374064423E+32
n5
3.4650909823219E+40
2 √n
11323.259601369
3 √n
504.25201556081
4 √n
106.4108058487
5 √n
41.839702293839
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 2671171 , 5342342 , 8013513 , 10684684 , 16027026 , 21369368 , 32054052 , 42738736 , 64108104 , 128216208
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216208 can be divided by 20 positive divisors.
The sum of these divisors (counting 128216208) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101001000110110010010000
3
Ternary
22221021001120110
4
Quaternary
13221012302100
5
Quinary
230310404313
6
Senary
20420041320
8
Octal
751066220
10
Decimal
128216208
12
Duodecimal
36b33240
16
Hexadecimal
7a46c90
20
Vigesimal
20170a8
36
Base36
24c49c
md5
be48dfac419ee3b4e8c1ce73da7a665a
sha1
32f850a168f136c380873f6579bc62edad2462af
sha256
69394b5e4372b47700377e47c7e6ab395702721ab6a4b1c0a96735bc32d9892c
sha512
a79ae0f1b0b8de9978e6d4b7bf5a0efbaff77af115d51d280938a21db660e5278174a79a686abacdc4471dd64902db278cd35dbfc1562767399eebf225816f30
ripemd-160
50dff3ef3ec9f276ee5e2f9cb47c8b132a239831
Diameter
256432416
Circumference
805606194.24788
Area
5.1645885683887E+16
Volume
8.8291194949194E+24
Surface area
2.0658354273555E+17
Circumference
805606194.24788
Perimeter
512864832
Area
16439395993899264
Diagonal
181325100.26965
Surface area
98636375963395584
Volume
2.1077970161482E+24
Space diagonal
222076986.60982
Perimeter
384648624
Area
7.1184672767944E+15
Altitude
111038493.30491
Surface area
7.1184672767944E+15
Volume
2.4840626058052E+23
Height
60441700.089883