128971199 is an odd 9-digits composite number following 128971198
and preceding 128971200 . In scientific notation, it is written as 1.28971199 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 107524800 positive integers (up to 128971199) that are relatively prime to 128971199.
128971199 has 16 divisors, whose sum is 151447296
The reverse of 128971199 is 991179821
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million nine hundred seventy-one thousand one hundred ninety-nine
Scientific notation
1.28971199 × 10^8
Engineering notation
1.28971199 × 10^6
Prime Factorization
41 × 7 × 787 × 571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128971199
Product of the distinct prime numbers
The prime factorization of 128971199 is 41 × 7 × 787 × 571.
Since it has a total of 4 prime factors.
4 , 2 , 76 , 44 , 134 , 796 , 5363 , 7048 , 55461 , 80084 , 465753 , 475260 , 1761664 , 3926361 , 93593694 , 83772261 , 990481548 , 587594513 , 8723369747 , 6373388794
n×2
257942398
n×3
386913597
n×4
515884796
n×5
644855995
n÷2
64485599.5
n÷3
42990399.666667
n÷3
32242799.75
n÷5
25794239.8
n2
16633570171497601
n3
2.1452514886687E+24
n4
2.7667565665013E+32
n5
3.568319117228E+40
2 √n
11356.548727496
3 √n
505.23982857474
4 √n
106.56710903227
5 √n
41.888860599439
1 , 7 , 41 , 287 , 571 , 787 , 3997 , 5509 , 23411 , 32267 , 163877 , 225869 , 449377 , 3145639 , 18424457 , 128971199
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
-128971198
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 128971199 can be divided by 16 positive divisors.
The sum of these divisors (counting 128971199) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011111111000110111111
3
Ternary
22222200102020002
4
Quaternary
13223333012333
5
Quinary
231004034244
6
Senary
20444144515
8
Octal
753770677
10
Decimal
128971199
12
Duodecimal
3723813b
16
Hexadecimal
7aff1bf
20
Vigesimal
20617jj
36
Base36
24satb
md5
0b7a26b3f4e9682cbbc937ed0287f83f
sha1
a3a3dd4a5d18f981caa3c3eebb685f53c09aa228
sha256
8bfa89ab46b69686d9aa4938000eff52d30034068a5dad5ca395dae909b158dc
sha512
2cfb5265263f7fd4cb1e9bfbb45388b9f1eb65c6a12c4038d41b43265f22e413e1cd4e3ce58a6b67c3d495cd3e3514f048958268027657e20d60053330baca39
ripemd-160
fd1267ae76a09b9bfabd9285e40c7854b7f76ec0
Diameter
257942398
Circumference
810349942.60613
Area
5.2255901853747E+16
Volume
8.9860084225388E+24
Surface area
2.0902360741499E+17
Circumference
810349942.60613
Perimeter
515884796
Area
16633570171497601
Diagonal
182392818.78132
Surface area
99801421028985606
Volume
2.1452514886687E+24
Space diagonal
223384669.38108
Perimeter
386913597
Area
7.202547162074E+15
Altitude
111692334.69054
Surface area
7.202547162074E+15
Volume
2.5282031249803E+23
Height
60797606.26044