128202390 is an even 9-digits composite number following 128202389
and preceding 128202391 . In scientific notation, it is written as 1.28202390 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 34187280 positive integers (up to 128202390) that are relatively prime to 128202390.
128202390 has 8 divisors, whose sum is 196577136
The reverse of 128202390 is 093202821
Previous prime number is 45
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million two hundred two thousand three hundred ninety
Scientific notation
1.28202390 × 10^8
Engineering notation
1.28202390 × 10^6
Prime Factorization
2 × 45 × 1424471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128202390
Product of the distinct prime numbers
The prime factorization of 128202390 is 2 × 45 × 1424471.
Since it has a total of 3 prime factors.
9 , 3 , 31 , 34 , 77 , 251 , 8939 , 5469 , 46214 , 69047 , 411151 , 348575 , 6337479 , 2236187 , 98838031 , 60558729 , 152479319 , 866576651 , 7418368944 , 1274258466
n×2
256404780
n×3
384607170
n×4
512809560
n×5
641011950
n÷2
64101195
n÷3
42734130
n÷3
32050597.5
n÷5
25640478
n2
16435852801712100
n3
2.1071156108677E+24
n4
2.7013725731955E+32
n5
3.4632242016411E+40
2 √n
11322.649424936
3 √n
504.23390031423
4 √n
106.40793873079
5 √n
41.838800432928
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
-128202389
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 128202390 can be divided by 8 positive divisors.
The sum of these divisors (counting 128202390) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000011011010010110
3
Ternary
22221020100121200
4
Quaternary
13221003122112
5
Quinary
230304434030
6
Senary
20415453330
8
Octal
751033226
10
Decimal
128202390
12
Duodecimal
36b27246
16
Hexadecimal
7a43696
20
Vigesimal
20155ja
36
Base36
24btli
md5
36ee48bf27cc42c61a42eb15ee5aa76b
sha1
a9627d623d5c487992cbbe136b428d9f9bac5d95
sha256
ee8365570fc77a763fd865c44fe2d147114c755b2a254eb9f57645876dc25f14
sha512
0c625c2376b707e2870c992bcbaf0ec8725b4a899b74ede6cf7a8504fd9246f38e89c6ec463e7920a092fc116e1b07b3b7a6352f4c262362501d4621969b83a9
ripemd-160
858f197cac8ac6e66daaf40d43c36a436a814faa
Diameter
256404780
Circumference
805519373.19331
Area
5.1634754417342E+16
Volume
8.8262652311551E+24
Surface area
2.0653901766937E+17
Circumference
805519373.19331
Perimeter
512809560
Area
16435852801712100
Diagonal
181305558.66664
Surface area
98615116810272600
Volume
2.1071156108677E+24
Space diagonal
222053053.13176
Perimeter
384607170
Area
7.1169330295722E+15
Altitude
111026526.56588
Surface area
7.1169330295722E+15
Volume
2.483259561981E+23
Height
60435186.222215