128835280 is an even 9-digits composite number following 128835279
and preceding 128835281 . In scientific notation, it is written as 1.28835280 × 10^8.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 44171904 positive integers (up to 128835280) that are relatively prime to 128835280.
128835280 has 20 divisors, whose sum is 256751424
The reverse of 128835280 is 082538821
Previous prime number is 35
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million eight hundred thirty-five thousand two hundred eighty
Scientific notation
1.28835280 × 10^8
Engineering notation
1.28835280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 35 × 230063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16104410
Product of the distinct prime numbers
The prime factorization of 128835280 is 2 × 2 × 2 × 2 × 35 × 230063.
Since it has a total of 6 prime factors.
5 , 8 , 4 , 40 , 462 , 661 , 2275 , 4473 , 42728 , 1765 , 824549 , 175084 , 6132492 , 1981630 , 87791936 , 84195117 , 655577624 , 746327706 , 7783729643 , 5521263023
n×2
257670560
n×3
386505840
n×4
515341120
n×5
644176400
n÷2
64417640
n÷3
42945093.333333
n÷3
32208820
n÷5
25767056
n2
16598529372678400
n3
2.1384761793172E+24
n4
2.7551117733567E+32
n5
3.549555967517E+40
2 √n
11350.562981632
3 √n
505.06228032979
4 √n
106.53902093427
5 √n
41.880027784533
1 , 2 , 4 , 8 , 16 , 35 , 70 , 140 , 280 , 560 , 230063 , 460126 , 920252 , 1840504 , 3681008 , 8052205 , 16104410 , 32208820 , 64417640 , 128835280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128835279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128835280 can be divided by 20 positive divisors.
The sum of these divisors (counting 128835280) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101011011101111011010000
3
Ternary
22222102111210001
4
Quaternary
13223131323100
5
Quinary
230440212110
6
Senary
20441215344
8
Octal
753357320
10
Decimal
128835280
12
Duodecimal
37191554
16
Hexadecimal
7added0
20
Vigesimal
2054840
36
Base36
24pdxs
md5
fef5fff2f4370ff686f6c8212b6362c0
sha1
58535f7a300d85d0671699826376001095d695a8
sha256
21710f1a2f40de69212ca0c215a41b65f0a84b72a55deb6935e995031d7f40d4
sha512
b351f2ac4de929f417654b3288089df9d65793c33a6112147e378560aa66dc264d3d1eaf40d6491c928930d694be0c1902357abad432c4590b4b67aefe0cd8b8
ripemd-160
e38683dd228da1b3f9054f196e4fc9381d52694f
Diameter
257670560
Circumference
809495938.34237
Area
5.2145817937601E+16
Volume
8.9576280730931E+24
Surface area
2.085832717504E+17
Circumference
809495938.34237
Perimeter
515341120
Area
16598529372678400
Diagonal
182200600.28814
Surface area
99591176236070400
Volume
2.1384761793172E+24
Space diagonal
223149250.76736
Perimeter
386505840
Area
7.1873740511008E+15
Altitude
111574625.38368
Surface area
7.1873740511008E+15
Volume
2.5202183463352E+23
Height
60733533.429378