128791834 is an even 9-digits composite number following 128791833
and preceding 128791835 . In scientific notation, it is written as 1.28791834 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 63793980 positive integers (up to 128791834) that are relatively prime to 128791834.
128791834 has 8 divisors, whose sum is 194993568
The reverse of 128791834 is 438197821
Previous prime number is 107
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million seven hundred ninety-one thousand eight hundred thirty-four
Scientific notation
1.28791834 × 10^8
Engineering notation
1.28791834 × 10^6
Prime Factorization
2 × 107 × 601831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128791834
Product of the distinct prime numbers
The prime factorization of 128791834 is 2 × 107 × 601831.
Since it has a total of 3 prime factors.
4 , 2 , 68 , 75 , 161 , 718 , 6295 , 7698 , 688 , 18025 , 629021 , 612713 , 9983279 , 7736949 , 48732231 , 6883009 , 719434099 , 360986583 , 3783138389 , 1399958837
n×2
257583668
n×3
386375502
n×4
515167336
n×5
643959170
n÷2
64395917
n÷3
42930611.333333
n÷3
32197958.5
n÷5
25758366.8
n2
16587336505083556
n3
2.1363134896649E+24
n4
2.7513973233288E+32
n5
3.543575073342E+40
2 √n
11348.648994484
3 √n
505.0055013615
4 √n
106.53003799156
5 √n
41.877202836011
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
-128791833
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 128791834 can be divided by 8 positive divisors.
The sum of these divisors (counting 128791834) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011010011010100011010
3
Ternary
22222100022011221
4
Quaternary
13223103110122
5
Quinary
230432314314
6
Senary
20440242254
8
Octal
753232432
10
Decimal
128791834
12
Duodecimal
3717038a
16
Hexadecimal
7ad351a
20
Vigesimal
204ijbe
36
Base36
24ogey
md5
aed1faaf669213400c593dba43021a29
sha1
4f554aec30887b7756c48221f96690799753a7b7
sha256
ce0aa3c27e12b86d63e7da8fcc3ec8b8ad76f7dfefa21b3252fcc93886107da7
sha512
27f304067093e54e5b4b3d3c76ee7c06a5c32acda562ed5537ed236469547f3c11f7ba794a3bf3172b17ab11bfaf67d87602909fc5dd26c1428480b0011af109
ripemd-160
28b62e08a049d40575913b3a57fbbb4a47479774
Diameter
257583668
Circumference
809222959.07351
Area
5.2110654506992E+16
Volume
8.9485690198612E+24
Surface area
2.0844261802797E+17
Circumference
809222959.07351
Perimeter
515167336
Area
16587336505083556
Diagonal
182139158.3657
Surface area
99524019030501336
Volume
2.1363134896649E+24
Space diagonal
223074000.08798
Perimeter
386375502
Area
7.1825273972617E+15
Altitude
111537000.04399
Surface area
7.1825273972617E+15
Volume
2.5176695921372E+23
Height
60713052.788568