128210385 is an odd 9-digits composite number following 128210384
and preceding 128210386 . In scientific notation, it is written as 1.28210385 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 64544256 positive integers (up to 128210385) that are relatively prime to 128210385.
128210385 has 16 divisors, whose sum is 144480000
The reverse of 128210385 is 583012821
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million two hundred ten thousand three hundred eighty-five
Scientific notation
1.28210385 × 10^8
Engineering notation
1.28210385 × 10^6
Prime Factorization
15 × 19 × 349 × 1289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128210385
Product of the distinct prime numbers
The prime factorization of 128210385 is 15 × 19 × 349 × 1289.
Since it has a total of 4 prime factors.
2 , 2 , 10 , 25 , 112 , 755 , 3583 , 2726 , 88176 , 36001 , 647459 , 29094 , 9465960 , 9832891 , 79338184 , 39462490 , 320780299 , 885226668 , 4620691089 , 4911799596
n×2
256420770
n×3
384631155
n×4
512841540
n×5
641051925
n÷2
64105192.5
n÷3
42736795
n÷3
32052596.25
n÷5
25642077
n2
16437902821848225
n3
2.1075098493817E+24
n4
2.7020464918053E+32
n5
3.4643042100225E+40
2 √n
11323.002472843
3 √n
504.2443818303
4 √n
106.4095976538
5 √n
41.839322252943
1 , 15 , 19 , 285 , 349 , 1289 , 5235 , 6631 , 19335 , 24491 , 99465 , 367365 , 449861 , 6747915 , 8547359 , 128210385
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
-128210384
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 128210385 can be divided by 16 positive divisors.
The sum of these divisors (counting 128210385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000101010111010001
3
Ternary
22221020202120210
4
Quaternary
13221011113101
5
Quinary
230310213020
6
Senary
20415554333
8
Octal
751052721
10
Decimal
128210385
12
Duodecimal
36b2b9a9
16
Hexadecimal
7a455d1
20
Vigesimal
20165j5
36
Base36
24bzrl
md5
1733654b43c84f3efa133dcfb8953fae
sha1
ddeae76a37ee9bbb15736050b8a4de6ec594dcd6
sha256
7c4e326e60707ecf473f53779ca6aa65fea12c7a192999d36dc6ef15607b7062
sha512
0bf777a7fc375cd8c3f006fc0eed07f49c2e83b741a67c1c71c23906ece898cddd7558ae6316d12858dc58f13772528ddac9ce4e40c15fde2bc6a97b45b2f29e
ripemd-160
1fa4057d5263be5f945e0e9b9db66ed8968a21e1
Diameter
256420770
Circumference
805569607.25984
Area
5.1641194745541E+16
Volume
8.8279166135811E+24
Surface area
2.0656477898217E+17
Circumference
805569607.25984
Perimeter
512841540
Area
16437902821848225
Diagonal
181316865.30408
Surface area
98627416931089350
Volume
2.1075098493817E+24
Space diagonal
222066900.87797
Perimeter
384631155
Area
7.1178207143302E+15
Altitude
111033450.43898
Surface area
7.1178207143302E+15
Volume
2.4837241765255E+23
Height
60438955.101359