2155128425 is an odd 10-digits composite number following 2155128424
and preceding 2155128426 . In scientific notation, it is written as 2.155128425 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 1724102720 positive integers (up to 2155128425) that are relatively prime to 2155128425.
2155128425 has 4 divisors, whose sum is 2241333588
The reverse of 2155128425 is 5248215512
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
two billion one hundred fifty-five million one hundred twenty-eight thousand four hundred twenty-five
Scientific notation
2.155128425 × 10^9
Engineering notation
2.155128425 × 10^9
Prime Factorization
25 × 86205137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155128425
Product of the distinct prime numbers
The prime factorization of 2155128425 is 25 × 86205137.
Since it has a total of 2 prime factors.
6 , 3 , 7 , 34 , 9 , 900 , 992 , 2572 , 6282 , 12205 , 39164 , 679978 , 4027 , 3548713 , 45716134 , 67921339 , 62465637 , 682751830 , 8158005371 , 6322194738
n×2
4310256850
n×3
6465385275
n×4
8620513700
n×5
10775642125
n÷2
1077564212.5
n÷3
718376141.66667
n÷3
538782106.25
n÷5
431025685
n2
4644578528242980625
n3
1.0009663208361E+28
n4
2.1572109705016E+37
n5
4.6490666812498E+46
2 √n
46423.360768044
3 √n
1291.6882778671
4 √n
215.46081028355
5 √n
73.568962419783
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
-2155128424
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 2155128425 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155128425) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000011101001010011001101001
3
Ternary
12120012020212102022
4
Quaternary
2000131022121221
5
Quinary
13403203102200
6
Senary
553503514225
8
Octal
20035123151
10
Decimal
2155128425
12
Duodecimal
5018b8975
16
Hexadecimal
8074a669
20
Vigesimal
1dd9b115
36
Base36
zn3vqh
md5
c281a5d1c3aa1e91c8fe55eab44e6d28
sha1
4aaa20b4dea9df0c88624422a2f097e746e6373f
sha256
f3bacbca7ba5f572363c8b9e514845c3c0b144250d8715e40f2cdc9d7464c2c1
sha512
b24e018f7d573222e36da15168a0ccb526c5144e003c52cd3203ff4fb7e565659511ae68f361c962a0e68c6db53280456b104fc1c3283b76710cef13507a6ff0
ripemd-160
cea9631f56066e2d6e85760f774dd1b97128cc8e
Diameter
4310256850
Circumference
13541071255.045
Area
1.4591373783349E+19
Volume
4.1928379200394E+28
Surface area
5.8365495133396E+19
Circumference
13541071255.045
Perimeter
8620513700
Area
4644578528242980625
Diagonal
3047811847.2908
Surface area
2.7867471169458E+19
Volume
1.0009663208361E+28
Space diagonal
3732791928.9359
Perimeter
6465385275
Area
2.0111614976651E+18
Altitude
1866395964.4679
Surface area
2.0111614976651E+18
Volume
1.1796501220043E+27
Height
1015937282.4303