2155128429 is an odd 10-digits composite number following 2155128428
and preceding 2155128430 . In scientific notation, it is written as 2.155128429 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1424037440 positive integers (up to 2155128429) that are relatively prime to 2155128429.
2155128429 has 8 divisors, whose sum is 2898934272
The reverse of 2155128429 is 9248215512
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
two billion one hundred fifty-five million one hundred twenty-eight thousand four hundred twenty-nine
Scientific notation
2.155128429 × 10^9
Engineering notation
2.155128429 × 10^9
Prime Factorization
3 × 113 × 6357311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155128429
Product of the distinct prime numbers
The prime factorization of 2155128429 is 3 × 113 × 6357311.
Since it has a total of 3 prime factors.
4 , 5 , 8 , 45 , 190 , 414 , 2533 , 9034 , 81010 , 36246 , 85369 , 990667 , 2125284 , 2880371 , 32390391 , 90852300 , 37577011 , 741972539 , 8485056560 , 3212439665
n×2
4310256858
n×3
6465385287
n×4
8620513716
n×5
10775642145
n÷2
1077564214.5
n÷3
718376143
n÷3
538782107.25
n÷5
431025685.8
n2
4644578545484008041
n3
1.0009663264096E+28
n4
2.157210986517E+37
n5
4.649066724394E+46
2 √n
46423.360811126
3 √n
1291.6882786663
4 √n
215.46081038353
5 √n
73.568962447093
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
-2155128428
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 2155128429 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155128429) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011101001010011001101101
3
Ternary
12120012020212102110
4
Quaternary
2000131022121231
5
Quinary
13403203102204
6
Senary
553503514233
8
Octal
20035123155
10
Decimal
2155128429
12
Duodecimal
5018b8979
16
Hexadecimal
8074a66d
20
Vigesimal
1dd9b119
36
Base36
zn3vql
md5
a3617ccc6e35712c10d05f995e3d47ee
sha1
a8fdc3b6454b976327e7d25637c9bf03adc1a7ab
sha256
59ab0d2d985accc03ee3678ddf00865e7036c730031070bdcc32f5ea80d59258
sha512
c5f54621f139d99c1247f91a93903c3e8da5cb0b77925bfb691359fa08a3e4b9a7b4bd56c3d064472766951c4f7b7fd5d51d48a54bc8f448ece06ee63386f33b
ripemd-160
7fad5fbb9aaed21aa0b3c269a8f2e71cd92000f5
Diameter
4310256858
Circumference
13541071280.178
Area
1.4591373837513E+19
Volume
4.1928379433856E+28
Surface area
5.8365495350053E+19
Circumference
13541071280.178
Perimeter
8620513716
Area
4644578545484008041
Diagonal
3047811852.9476
Surface area
2.7867471272904E+19
Volume
1.0009663264096E+28
Space diagonal
3732791935.8641
Perimeter
6465385287
Area
2.0111615051307E+18
Altitude
1866395967.932
Surface area
2.0111615051307E+18
Volume
1.1796501285727E+27
Height
1015937284.3159