128798912 is an even 9-digits composite number following 128798911
and preceding 128798913 . In scientific notation, it is written as 1.28798912 × 10^8.
The sum of its digits is 47. It has a total of 8 prime factors and 28 positive divisors.
There are 58544640 positive integers (up to 128798912) that are relatively prime to 128798912.
128798912 has 28 divisors, whose sum is 278821896
The reverse of 128798912 is 219897821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million seven hundred ninety-eight thousand nine hundred twelve
Scientific notation
1.28798912 × 10^8
Engineering notation
1.28798912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 11 × 182953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4024966
Product of the distinct prime numbers
The prime factorization of 128798912 is 2 × 2 × 2 × 2 × 2 × 2 × 11 × 182953.
Since it has a total of 8 prime factors.
7 , 4 , 32 , 9 , 329 , 252 , 4303 , 1125 , 47131 , 3922 , 261558 , 983223 , 6105513 , 3248869 , 15207085 , 72519879 , 502003404 , 404414496 , 3107767140 , 7907543348
n×2
257597824
n×3
386396736
n×4
515195648
n×5
643994560
n÷2
64399456
n÷3
42932970.666667
n÷3
32199728
n÷5
25759782.4
n2
16589159732383744
n3
2.1366657245252E+24
n4
2.7520022062654E+32
n5
3.5445488998859E+40
2 √n
11348.960833486
3 √n
505.01475237105
4 √n
106.53150160157
5 √n
41.877663114146
1 , 2 , 4 , 8 , 11 , 16 , 22 , 32 , 44 , 64 , 88 , 176 , 352 , 704 , 182953 , 365906 , 731812 , 1463624 , 2012483 , 2927248 , 4024966 , 5854496 , 8049932 , 11708992 , 16099864 , 32199728 , 64399456 , 128798912
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128798911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128798912 can be divided by 28 positive divisors.
The sum of these divisors (counting 128798912) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101011010101000011000000
3
Ternary
22222100122220002
4
Quaternary
13223111003000
5
Quinary
230433031122
6
Senary
20440335132
8
Octal
753250300
10
Decimal
128798912
12
Duodecimal
371744a8
16
Hexadecimal
7ad50c0
20
Vigesimal
204jh5c
36
Base36
24olvk
md5
2c4a85c20833db154a9898e4c729e975
sha1
4b65af1f3fcf32f72f4d5dea2b6aaf00b041f894
sha256
d00189b86ccd81553e161305eb9fb43918a017103dc8ae177b45cf09864667c4
sha512
2bf18b159aefead435c4fa92006ba89b255f4965c377192fd3a2d502d1aa2f577a365e75c2990ed3c6688fa707942f9f5f988b2dcc1ecee4bf22171b20595d92
ripemd-160
30739de903ace2d2cf0b4fdb055694352f17fa58
Diameter
257597824
Circumference
809267431.45912
Area
5.2116382344484E+16
Volume
8.9500444577941E+24
Surface area
2.0846552937794E+17
Circumference
809267431.45912
Perimeter
515195648
Area
16589159732383744
Diagonal
182149168.1693
Surface area
99534958394302464
Volume
2.1366657245252E+24
Space diagonal
223086259.54359
Perimeter
386396736
Area
7.1833168778411E+15
Altitude
111543129.7718
Surface area
7.1833168778411E+15
Volume
2.5180847049011E+23
Height
60716389.389766