128127980 is an even 9-digits composite number following 128127979
and preceding 128127981 . In scientific notation, it is written as 1.28127980 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 48236288 positive integers (up to 128127980) that are relatively prime to 128127980.
128127980 has 24 divisors, whose sum is 284897088
The reverse of 128127980 is 089721821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million one hundred twenty-seven thousand nine hundred eighty
Scientific notation
1.28127980 × 10^8
Engineering notation
1.28127980 × 10^6
Prime Factorization
2 × 2 × 17 × 5 × 376847
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64063990
Product of the distinct prime numbers
The prime factorization of 128127980 is 2 × 2 × 17 × 5 × 376847.
Since it has a total of 5 prime factors.
7 , 4 , 6 , 38 , 154 , 905 , 6311 , 1556 , 80084 , 87656 , 76306 , 729794 , 5386816 , 7778446 , 15908468 , 75764024 , 768351924 , 389286843 , 7033974226 , 9081146922
n×2
256255960
n×3
384383940
n×4
512511920
n×5
640639900
n÷2
64063990
n÷3
42709326.666667
n÷3
32031995
n÷5
25625596
n2
16416779258880400
n3
2.1034487645462E+24
n4
2.6951064123481E+32
n5
3.453185404992E+40
2 √n
11319.363056285
3 √n
504.13632723499
4 √n
106.39249530059
5 √n
41.833942570027
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 376847 , 753694 , 1507388 , 1884235 , 3768470 , 6406399 , 7536940 , 12812798 , 25625596 , 32031995 , 64063990 , 128127980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128127979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128127980 can be divided by 24 positive divisors.
The sum of these divisors (counting 128127980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101000110001001111101100
3
Ternary
22221002120112202
4
Quaternary
13220301033230
5
Quinary
230300043410
6
Senary
20414121032
8
Octal
750611754
10
Decimal
128127980
12
Duodecimal
36ab0178
16
Hexadecimal
7a313ec
20
Vigesimal
200fjj0
36
Base36
24a86k
md5
acc7100684255af220863fa51d0197f4
sha1
a58d022f3a2da29437a6fb7fb121e0bb2bf296a5
sha256
43c4ffaa75e18f69fcab258b944d60144a7aac7a4da0b635231abf5895341611
sha512
07271b167bbbc7ed230c9cc86927f0d55adf11a7a9518cd640592e55608e26260a4c74a055338fc3ea9488a7243c02855464f6c59d2287fa80ec57c425c4429a
ripemd-160
1c00fb400fb8ab7809b5b8d30fd9b9c628d9afd3
Diameter
256255960
Circumference
805051841.3746
Area
5.1574833115304E+16
Volume
8.8109055812013E+24
Surface area
2.0629933246122E+17
Circumference
805051841.3746
Perimeter
512511920
Area
16416779258880400
Diagonal
181200327.03547
Surface area
98500675553282400
Volume
2.1034487645462E+24
Space diagonal
221924171.23117
Perimeter
384383940
Area
7.1086739432559E+15
Altitude
110962085.61558
Surface area
7.1086739432559E+15
Volume
2.4789381421485E+23
Height
60400109.011823