128380557 is an odd 9-digits composite number following 128380556
and preceding 128380558 . In scientific notation, it is written as 1.28380557 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 85261088 positive integers (up to 128380557) that are relatively prime to 128380557.
128380557 has 8 divisors, whose sum is 171825984
The reverse of 128380557 is 755083821
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million three hundred eighty thousand five hundred fifty-seven
Scientific notation
1.28380557 × 10^8
Engineering notation
1.28380557 × 10^6
Prime Factorization
3 × 263 × 162713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128380557
Product of the distinct prime numbers
The prime factorization of 128380557 is 3 × 263 × 162713.
Since it has a total of 3 prime factors.
4 , 2 , 10 , 17 , 381 , 8 , 7249 , 378 , 42645 , 83261 , 915526 , 198892 , 7504094 , 6049489 , 27935120 , 57759239 , 346244686 , 819057610 , 4832385857 , 8160573473
n×2
256761114
n×3
385141671
n×4
513522228
n×5
641902785
n÷2
64190278.5
n÷3
42793519
n÷3
32095139.25
n÷5
25676111.4
n2
16481567415630249
n3
2.1159128050517E+24
n4
2.7164206447596E+32
n5
3.4873559542054E+40
2 √n
11330.514419037
3 √n
504.46737556787
4 √n
106.44488911656
5 √n
41.850422920184
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128380556
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128380557 can be divided by 8 positive divisors.
The sum of these divisors (counting 128380557) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001101110111010001101
3
Ternary
22221120102000110
4
Quaternary
13221232322031
5
Quinary
230331134212
6
Senary
20423350233
8
Octal
751567215
10
Decimal
128380557
12
Duodecimal
36bb2379
16
Hexadecimal
7a6ee8d
20
Vigesimal
2027b7h
36
Base36
24fn2l
md5
9dae820aefff972d0cce0a02067d52e4
sha1
6ea4cfff3338806b755921444b9102cf6e9365a3
sha256
4b26593aaf942b3412a71f7f9c08a7c90fbe56ae451fb0fcc671d5c7b13f0c3e
sha512
16cd5c6ba263ef2cca6eacd805e421db6e1c58fa475c4c94bcb78618b667d8151dc9a4d9ce53ea5a43be4853f333c7ac68d21b0516abe61910eca31f786e93aa
ripemd-160
232f336286a1ef4a063a49a13a75cf07f3ea834c
Diameter
256761114
Circumference
806638829.46993
Area
5.1778371112589E+16
Volume
8.8631148319825E+24
Surface area
2.0711348445036E+17
Circumference
806638829.46993
Perimeter
513522228
Area
16481567415630249
Diagonal
181557524.85441
Surface area
98889404493781494
Volume
2.1159128050517E+24
Space diagonal
222361647.42799
Perimeter
385141671
Area
7.1367280380608E+15
Altitude
111180823.714
Surface area
7.1367280380608E+15
Volume
2.4936271547525E+23
Height
60519174.951471