128839449 is an odd 9-digits composite number following 128839448
and preceding 128839450 . In scientific notation, it is written as 1.28839449 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 83473728 positive integers (up to 128839449) that are relatively prime to 128839449.
128839449 has 16 divisors, whose sum is 176686272
The reverse of 128839449 is 944938821
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million eight hundred thirty-nine thousand four hundred forty-nine
Scientific notation
1.28839449 × 10^8
Engineering notation
1.28839449 × 10^6
Prime Factorization
3 × 53 × 107 × 7573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128839449
Product of the distinct prime numbers
The prime factorization of 128839449 is 3 × 53 × 107 × 7573.
Since it has a total of 4 prime factors.
5 , 9 , 97 , 8 , 97 , 349 , 6928 , 2625 , 18589 , 84298 , 924800 , 303749 , 7580487 , 1769799 , 76246029 , 70262413 , 106183816 , 48359573 , 1759576489 , 8996997283
n×2
257678898
n×3
386518347
n×4
515357796
n×5
644197245
n÷2
64419724.5
n÷3
42946483
n÷3
32209862.25
n÷5
25767889.8
n2
16599603618623601
n3
2.1386837838419E+24
n4
2.7554684029542E+32
n5
3.5501303077353E+40
2 √n
11350.746627425
3 √n
505.0677280662
4 √n
106.53988280182
5 √n
41.880298821435
1 , 3 , 53 , 107 , 159 , 321 , 5671 , 7573 , 17013 , 22719 , 401369 , 810311 , 1204107 , 2430933 , 42946483 , 128839449
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128839448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128839449 can be divided by 16 positive divisors.
The sum of these divisors (counting 128839449) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011110111100011001
3
Ternary
22222102201111110
4
Quaternary
13223132330121
5
Quinary
230440330244
6
Senary
20441250533
8
Octal
753367431
10
Decimal
128839449
12
Duodecimal
37193a49
16
Hexadecimal
7adef19
20
Vigesimal
2054ic9
36
Base36
24ph5l
md5
fe6ed696ed99edcbdc4e8be18b4b527d
sha1
a1aa9b76eac5102e1ec3b04916917db9f98fff13
sha256
38b3b698cd3d42c5710c642d09f3e245b8f49c02e09f2df24885577aa2bfca13
sha512
fbabbb788db08bb1cc34210ff36dab7e70a77bd33608d6de9285079d485e21da664cf1d725a41debdc4f677ab51e7a3471dfa58242a6720e6b3a61ec5b6d42b4
ripemd-160
7add7f8526d3cb834fe68e7cc1b53106d79f63af
Diameter
257678898
Circumference
809522132.94191
Area
5.214919278077E+16
Volume
8.9584976848923E+24
Surface area
2.0859677112308E+17
Circumference
809522132.94191
Perimeter
515357796
Area
16599603618623601
Diagonal
182206496.14448
Surface area
99597621711741606
Volume
2.1386837838419E+24
Space diagonal
223156471.68718
Perimeter
386518347
Area
7.1878392132401E+15
Altitude
111578235.84359
Surface area
7.1878392132401E+15
Volume
2.5204630106138E+23
Height
60735498.714826