128889120 is an even 9-digits composite number following 128889119
and preceding 128889121 . In scientific notation, it is written as 1.28889120 × 10^8.
The sum of its digits is 39. It has a total of 7 prime factors and 24 positive divisors.
There are 34370304 positive integers (up to 128889120) that are relatively prime to 128889120.
128889120 has 24 divisors, whose sum is 270668160
The reverse of 128889120 is 021988821
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million eight hundred eighty-nine thousand one hundred twenty
Scientific notation
1.28889120 × 10^8
Engineering notation
1.28889120 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 15 × 268519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8055570
Product of the distinct prime numbers
The prime factorization of 128889120 is 2 × 2 × 2 × 2 × 2 × 15 × 268519.
Since it has a total of 7 prime factors.
4 , 10 , 3 , 75 , 393 , 189 , 844 , 4595 , 95925 , 46878 , 702860 , 261924 , 2445146 , 7416587 , 76177162 , 74595765 , 451735189 , 591223981 , 7659404348 , 8557607007
n×2
257778240
n×3
386667360
n×4
515556480
n×5
644445600
n÷2
64444560
n÷3
42963040
n÷3
32222280
n÷5
25777824
n2
16612405254374400
n3
2.1411582943197E+24
n4
2.7597200833557E+32
n5
3.5569789299004E+40
2 √n
11352.93442243
3 √n
505.132625363
4 √n
106.55014980013
5 √n
41.88352751516
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 120 , 240 , 480 , 268519 , 537038 , 1074076 , 2148152 , 4027785 , 4296304 , 8055570 , 8592608 , 16111140 , 32222280 , 64444560 , 128889120
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
-128889119
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 128889120 can be divided by 24 positive divisors.
The sum of these divisors (counting 128889120) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011101011000100100000
3
Ternary
22222112020122010
4
Quaternary
13223223010200
5
Quinary
230443422440
6
Senary
20442312520
8
Octal
753530440
10
Decimal
128889120
12
Duodecimal
371b8740
16
Hexadecimal
7aeb120
20
Vigesimal
205b2g0
36
Base36
24qjhc
md5
2b38f923051dccd9992818a8800e5323
sha1
693defb427488caefff65b21f1dfa62e11fdfd90
sha256
df73cd8ce39fdcc02df7440506572415140f175b879c80dd1987124ba1549f22
sha512
f8170e82d67e257f2d30b5288c7bea139605ce684428d4a89413a467f1ebea85a4e02b8c764611cb58e5576c009bca0010786486530a739df7cf1f27a9d9c7ce
ripemd-160
87c38741138d18f132701a40eca4c0c3b93c718a
Diameter
257778240
Circumference
809834225.03931
Area
5.2189410305599E+16
Volume
8.9688628901435E+24
Surface area
2.087576412224E+17
Circumference
809834225.03931
Perimeter
515556480
Area
16612405254374400
Diagonal
182276741.54633
Surface area
99674431526246400
Volume
2.1411582943197E+24
Space diagonal
223242504.38284
Perimeter
386667360
Area
7.1933824841252E+15
Altitude
111621252.19142
Surface area
7.1933824841252E+15
Volume
2.5233792491788E+23
Height
60758913.848778