128889775 is an odd 9-digits composite number following 128889774
and preceding 128889776 . In scientific notation, it is written as 1.28889775 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 84188160 positive integers (up to 128889775) that are relatively prime to 128889775.
128889775 has 24 divisors, whose sum is 162779760
The reverse of 128889775 is 577988821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred seventy-five
Scientific notation
1.28889775 × 10^8
Engineering notation
1.28889775 × 10^6
Prime Factorization
5 × 5 × 203 × 109 × 233
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25777955
Product of the distinct prime numbers
The prime factorization of 128889775 is 5 × 5 × 203 × 109 × 233.
Since it has a total of 5 prime factors.
9 , 1 , 52 , 11 , 291 , 239 , 7143 , 4183 , 93458 , 3243 , 295989 , 608421 , 6142927 , 2718366 , 83931808 , 9369705 , 117636705 , 33473062 , 5141950252 , 4737602936
n×2
257779550
n×3
386669325
n×4
515559100
n×5
644448875
n÷2
64444887.5
n÷3
42963258.333333
n÷3
32222443.75
n÷5
25777955
n2
16612574099550625
n3
2.1411909378619E+24
n4
2.7597761821306E+32
n5
3.5570693116517E+40
2 √n
11352.963269561
3 √n
505.13348103726
4 √n
106.55028516884
5 √n
41.883570084548
1 , 5 , 25 , 109 , 203 , 233 , 545 , 1015 , 1165 , 2725 , 5075 , 5825 , 22127 , 25397 , 47299 , 110635 , 126985 , 236495 , 553175 , 634925 , 1182475 , 5155591 , 25777955 , 128889775
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
-128889774
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 128889775 can be divided by 24 positive divisors.
The sum of these divisors (counting 128889775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011101011001110101111
3
Ternary
22222112021112101
4
Quaternary
13223223032233
5
Quinary
230443433100
6
Senary
20442315531
8
Octal
753531657
10
Decimal
128889775
12
Duodecimal
371b8ba7
16
Hexadecimal
7aeb3af
20
Vigesimal
205b48f
36
Base36
24qjzj
md5
84772f116834b66da04b9421e5a96a0d
sha1
9f9433ac66bf046982702ee25b7b97a0198eb114
sha256
07beaa0e9e39b42040c19599f1c9489c555a8ea6be4a80fd54795a5f33a6128d
sha512
9d08cd2282cf806258122187e0f9f5f634c9fe1089aca552d6294c0c891328098370d8931fe188d04028792add2ceaeb7772a8dadceaef2cf304d5f102e37de2
ripemd-160
b1680a72fda33baee7b8a5c63b40db746f1cd065
Diameter
257779550
Circumference
809838340.52568
Area
5.2189940748364E+16
Volume
8.9689996270933E+24
Surface area
2.0875976299346E+17
Circumference
809838340.52568
Perimeter
515559100
Area
16612574099550625
Diagonal
182277667.85622
Surface area
99675444597303750
Volume
2.1411909378619E+24
Space diagonal
223243638.87612
Perimeter
386669325
Area
7.1934555962311E+15
Altitude
111621819.43806
Surface area
7.1934555962311E+15
Volume
2.5234177199622E+23
Height
60759222.618739