128488974 is an even 9-digits composite number following 128488973
and preceding 128488975 . In scientific notation, it is written as 1.28488974 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 42786360 positive integers (up to 128488974) that are relatively prime to 128488974.
128488974 has 16 divisors, whose sum is 257237760
The reverse of 128488974 is 479884821
Previous prime number is 1039
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million four hundred eighty-eight thousand nine hundred seventy-four
Scientific notation
1.28488974 × 10^8
Engineering notation
1.28488974 × 10^6
Prime Factorization
2 × 3 × 1039 × 20611
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128488974
Product of the distinct prime numbers
The prime factorization of 128488974 is 2 × 3 × 1039 × 20611.
Since it has a total of 4 prime factors.
2 , 7 , 61 , 68 , 53 , 475 , 5007 , 7263 , 79382 , 80151 , 315780 , 223891 , 6377682 , 9429783 , 43585616 , 84472106 , 841664877 , 873352617 , 4239773539 , 9572925065
n×2
256977948
n×3
385466922
n×4
513955896
n×5
642444870
n÷2
64244487
n÷3
42829658
n÷3
32122243.5
n÷5
25697794.8
n2
16509416439572676
n3
2.1212779796594E+24
n4
2.7256083117523E+32
n5
3.5021061550293E+40
2 √n
11335.29770231
3 √n
504.60934267975
4 √n
106.46735510151
5 √n
41.857489045289
1 , 2 , 3 , 6 , 1039 , 2078 , 3117 , 6234 , 20611 , 41222 , 61833 , 123666 , 21414829 , 42829658 , 64244487 , 128488974
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
-128488973
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 128488974 can be divided by 16 positive divisors.
The sum of these divisors (counting 128488974) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010001001011000001110
3
Ternary
22221202220201220
4
Quaternary
13222021120032
5
Quinary
230343121344
6
Senary
20425544210
8
Octal
752113016
10
Decimal
128488974
12
Duodecimal
37045066
16
Hexadecimal
7a8960e
20
Vigesimal
203128e
36
Base36
24hyq6
md5
49539e9b129b16c046938fb246ad1fbf
sha1
4643cb2577ae81c321772cc7a69f56a050ad460e
sha256
28fd253d898c24f543ae2ec62c46024ce02b08e928287a9e6d36b7d5c5875758
sha512
753047fabe2034042ec1ca42453306981e0ca52a6c5193760bfb35a57e6ddf86d8e4bdce66268965f44929dd1db5d66bda53d01ee670c2ae7ba2510bd09237d6
ripemd-160
385fb6a24a47e0dce9d0422f99f82bd39be97ac8
Diameter
256977948
Circumference
807320033.57138
Area
5.1865861401616E+16
Volume
8.8855884228265E+24
Surface area
2.0746344560646E+17
Circumference
807320033.57138
Perimeter
513955896
Area
16509416439572676
Diagonal
181710849.6462
Surface area
99056498637436056
Volume
2.1212779796594E+24
Space diagonal
222549431.1804
Perimeter
385466922
Area
7.1487870191632E+15
Altitude
111274715.5902
Surface area
7.1487870191632E+15
Volume
2.4999500736648E+23
Height
60570283.215401