128213238 is an even 9-digits composite number following 128213237
and preceding 128213239 . In scientific notation, it is written as 1.28213238 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 42314400 positive integers (up to 128213238) that are relatively prime to 128213238.
128213238 has 16 divisors, whose sum is 258966576
The reverse of 128213238 is 832312821
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million two hundred thirteen thousand two hundred thirty-eight
Scientific notation
1.28213238 × 10^8
Engineering notation
1.28213238 × 10^6
Prime Factorization
2 × 3 × 101 × 211573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128213238
Product of the distinct prime numbers
The prime factorization of 128213238 is 2 × 3 × 101 × 211573.
Since it has a total of 4 prime factors.
3 , 2 , 7 , 60 , 641 , 686 , 413 , 2222 , 72635 , 45102 , 381584 , 496702 , 8143701 , 6964027 , 98384744 , 33057308 , 601355580 , 922268209 , 9394463184 , 8459874036
n×2
256426476
n×3
384639714
n×4
512852952
n×5
641066190
n÷2
64106619
n÷3
42737746
n÷3
32053309.5
n÷5
25642647.6
n2
16438634398444644
n3
2.1076505445228E+24
n4
2.7022870088573E+32
n5
3.4646896741093E+40
2 √n
11323.128454628
3 √n
504.24812203317
4 √n
106.41018961842
5 √n
41.839508457086
1 , 2 , 3 , 6 , 101 , 202 , 303 , 606 , 211573 , 423146 , 634719 , 1269438 , 21368873 , 42737746 , 64106619 , 128213238
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
-128213237
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 128213238 can be divided by 16 positive divisors.
The sum of these divisors (counting 128213238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000110000011110110
3
Ternary
22221020220111110
4
Quaternary
13221012003312
5
Quinary
230310310423
6
Senary
20420015450
8
Octal
751060366
10
Decimal
128213238
12
Duodecimal
36b31586
16
Hexadecimal
7a460f6
20
Vigesimal
2016d1i
36
Base36
24c1yu
md5
38b603b2d763437c14c95c1397a66f8c
sha1
798fd8190a06d799948443c9f76c07e92a102675
sha256
5a608fc02badcce07e2b12648e700ccb70c5dec396c170ea7221ecb3db8be2af
sha512
b199d845c277fbd03c6d094d2c691edc884dcf96cabd2a841f206c7f4a1eeb4e274343f8f5f2308b12a100776f3000b00a4c2a528db30e529b5855f7f81f2fe8
ripemd-160
6a50ea18b89e998ce1c8da0758c821a249f5e9ce
Diameter
256426476
Circumference
805587533.18752
Area
5.1643493061202E+16
Volume
8.8285059560097E+24
Surface area
2.0657397224481E+17
Circumference
805587533.18752
Perimeter
512852952
Area
16438634398444644
Diagonal
181320900.05537
Surface area
98631806390667864
Volume
2.1076505445228E+24
Space diagonal
222071842.41892
Perimeter
384639714
Area
7.1181374962889E+15
Altitude
111035921.20946
Surface area
7.1181374962889E+15
Volume
2.4838899873393E+23
Height
60440300.018456