128230890 is an even 9-digits composite number following 128230889
and preceding 128230891 . In scientific notation, it is written as 1.28230890 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 33964224 positive integers (up to 128230890) that are relatively prime to 128230890.
128230890 has 32 divisors, whose sum is 309830400
The reverse of 128230890 is 098032821
Previous prime number is 149
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million two hundred thirty thousand eight hundred ninety
Scientific notation
1.28230890 × 10^8
Engineering notation
1.28230890 × 10^6
Prime Factorization
2 × 3 × 5 × 149 × 28687
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128230890
Product of the distinct prime numbers
The prime factorization of 128230890 is 2 × 3 × 5 × 149 × 28687.
Since it has a total of 5 prime factors.
5 , 3 , 35 , 68 , 843 , 482 , 1111 , 237 , 10245 , 44198 , 840584 , 151418 , 1827938 , 6567298 , 43943430 , 13875255 , 875133786 , 92931548 , 3808107828 , 497323880
n×2
256461780
n×3
384692670
n×4
512923560
n×5
641154450
n÷2
64115445
n÷3
42743630
n÷3
32057722.5
n÷5
25646178
n2
16443161150192100
n3
2.1085211887026E+24
n4
2.7037754861119E+32
n5
3.4670753694431E+40
2 √n
11323.907894362
3 √n
504.27126207584
4 √n
106.41385198536
5 √n
41.840660460335
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 149 , 298 , 447 , 745 , 894 , 1490 , 2235 , 4470 , 28687 , 57374 , 86061 , 143435 , 172122 , 286870 , 430305 , 860610 , 4274363 , 8548726 , 12823089 , 21371815 , 25646178 , 42743630 , 64115445 , 128230890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128230889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128230890 can be divided by 32 positive divisors.
The sum of these divisors (counting 128230890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001001010010111101010
3
Ternary
22221021210201020
4
Quaternary
13221022113222
5
Quinary
230311342030
6
Senary
20420233310
8
Octal
751122752
10
Decimal
128230890
12
Duodecimal
36b3b836
16
Hexadecimal
7a4a5ea
20
Vigesimal
2018h4a
36
Base36
24cfl6
md5
405e2c4f4e5f897bb3586be9a228c4be
sha1
e1bcb5a2ab50abaf92f7ac4291e14c9f18f4c5a2
sha256
60766b33c16e152789be7c13cf78b169a571205d87ff16b470cf8b179ff9a55e
sha512
8a333b31c2e28e7b579fd4c19a5bf5d1d59b948ac15d51796009730d4ffd929f85ff417b50cad7c1f0a9cc887d9142af45f03e34cfafbde02549741ab3ba9547
ripemd-160
26549565806bba61e774df4b4ed38482dd023f0c
Diameter
256461780
Circumference
805698443.97456
Area
5.1657714271237E+16
Volume
8.8321529018218E+24
Surface area
2.0663085708495E+17
Circumference
805698443.97456
Perimeter
512923560
Area
16443161150192100
Diagonal
181345863.75317
Surface area
98658966901152600
Volume
2.1085211887026E+24
Space diagonal
222102416.57978
Perimeter
384692670
Area
7.1200976372939E+15
Altitude
111051208.28989
Surface area
7.1200976372939E+15
Volume
2.4849160513452E+23
Height
60448621.251058