128202388 is an even 9-digits composite number following 128202387
and preceding 128202389 . In scientific notation, it is written as 1.28202388 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 61890752 positive integers (up to 128202388) that are relatively prime to 128202388.
128202388 has 12 divisors, whose sum is 232090740
The reverse of 128202388 is 883202821
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million two hundred two thousand three hundred eighty-eight
Scientific notation
1.28202388 × 10^8
Engineering notation
1.28202388 × 10^6
Prime Factorization
2 × 2 × 29 × 1105193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64101194
Product of the distinct prime numbers
The prime factorization of 128202388 is 2 × 2 × 29 × 1105193.
Since it has a total of 4 prime factors.
4 , 3 , 62 , 78 , 895 , 634 , 7287 , 2322 , 65143 , 26134 , 614448 , 828383 , 3902375 , 6984222 , 39152913 , 39764042 , 430506270 , 742877313 , 8533910960 , 1495567898
n×2
256404776
n×3
384607164
n×4
512809552
n×5
641011940
n÷2
64101194
n÷3
42734129.333333
n÷3
32050597
n÷5
25640477.6
n2
16435852288902544
n3
2.1071155122526E+24
n4
2.7013724046262E+32
n5
3.4632239315038E+40
2 √n
11322.649336617
3 √n
504.23389769215
4 √n
106.40793831579
5 √n
41.838800302388
1 , 2 , 4 , 29 , 58 , 116 , 1105193 , 2210386 , 4420772 , 32050597 , 64101194 , 128202388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128202387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128202388 can be divided by 12 positive divisors.
The sum of these divisors (counting 128202388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001000011011010010100
3
Ternary
22221020100121121
4
Quaternary
13221003122110
5
Quinary
230304434023
6
Senary
20415453324
8
Octal
751033224
10
Decimal
128202388
12
Duodecimal
36b27244
16
Hexadecimal
7a43694
20
Vigesimal
20155j8
36
Base36
24btlg
md5
f4e800ce1074774e9304c6c000066f43
sha1
f961ac0720da0089d50462aa3613715f46b2b00b
sha256
f620c06c4a58a836b06fcf7e8c32478f7afcb1e0d039f8326077ecd6bb529c95
sha512
69b68154bd569b1ba3e2324c93b957ab6608d8db62bb8622a903b05c898098bea1916c8c9f92dac4136933c4eeaf040b51411377c5b7a929a0323a358d8845fb
ripemd-160
91b88529609d15fa1b103d37693e0199575ac660
Diameter
256404776
Circumference
805519360.62694
Area
5.1634752806303E+16
Volume
8.826264818077E+24
Surface area
2.0653901122521E+17
Circumference
805519360.62694
Perimeter
512809552
Area
16435852288902544
Diagonal
181305555.83822
Surface area
98615113733415264
Volume
2.1071155122526E+24
Space diagonal
222053049.66766
Perimeter
384607164
Area
7.1169328075191E+15
Altitude
111026524.83383
Surface area
7.1169328075191E+15
Volume
2.4832594457619E+23
Height
60435185.279406