128121143 is an odd 9-digits composite number following 128121142
and preceding 128121144 . In scientific notation, it is written as 1.28121143 × 10^8.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 127589280 positive integers (up to 128121143) that are relatively prime to 128121143.
128121143 has 4 divisors, whose sum is 128653008
The reverse of 128121143 is 341121821
Previous prime number is 241
Is Prime? no Number parity odd Number length 9 Sum of Digits 23 Digital Root 5
Name
one hundred twenty-eight million one hundred twenty-one thousand one hundred forty-three
Scientific notation
1.28121143 × 10^8
Engineering notation
1.28121143 × 10^6
Prime Factorization
241 × 531623
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128121143 Product of the distinct prime numbers
The prime factorization of 128121143 is 241 × 531623.
Since it has a total of 2 prime factors.
10 , 7 , 46 , 38 , 408 , 900 , 1299 , 9572 , 3855 , 75666 , 305343 , 560055 , 8435917 , 2805195 , 45572335 , 6139680 , 2567024 , 773732180 , 7012995146 , 8955793204
n×2
256242286
n×3
384363429
n×4
512484572
n×5
640605715
n÷2
64060571.5
n÷3
42707047.666667
n÷3
32030285.75
n÷5
25624228.6
n2
16415027283626449
n3
2.1031120579544E+24
n4
2.694531207222E+32
n5
3.4522641811845E+40
2 √n11319.061047631
3 √n504.12736005135
4 √n106.39107597741
5 √n41.83349610272
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128121142 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128121143 can be divided by 4 positive divisors.
The sum of these divisors (counting 128121143) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000101111100100110111
3
Ternary
22221002020011112
4
Quaternary
13220233210313
5
Quinary
230244334033
6
Senary
20414025235
8
Octal
750574467
10
Decimal
128121143
12
Duodecimal
36aa821b
16
Hexadecimal
7a2f937
20
Vigesimal
200f2h3
36
Base36
24a2wn
md5
f8896ccf8e31ef6a31967e66f22f6c51
sha1
47057614fc5c180316ab9e44d020e18e2fca5c78
sha256
b29fa4e69a1604bc204172ec5f7347d1d2ff9d3f66161b1ef48b179d3408038a
sha512
9cccb6319c64b0045f990edfd4d29a81b544eefbbc23bf26b5b71693e518afe7cc7d711d804278890837ec421fcb46227599337f1c07876f4a1521b48fd9fe18
ripemd-160
211c48e4c0c9a2b752ddc50d3b4f719d09526cfc
Diameter
256242286
Circumference
805008883.23665
Area
5.1569329122717E+16
Volume
8.8094951879276E+24
Surface area
2.0627731649087E+17
Circumference
805008883.23665
Perimeter
512484572
Area
16415027283626449
Diagonal
181190658.05734
Surface area
98490163701758694
Volume
2.1031120579544E+24
Space diagonal
221912329.1998
Perimeter
384363429
Area
7.1079153157176E+15
Altitude
110956164.5999
Surface area
7.1079153157176E+15
Volume
2.4785413296246E+23
Height
60396886.019114