2155409855 is an odd 10-digits composite number following 2155409854
and preceding 2155409856 . In scientific notation, it is written as 2.155409855 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1619205120 positive integers (up to 2155409855) that are relatively prime to 2155409855.
2155409855 has 8 divisors, whose sum is 2185728528
The reverse of 2155409855 is 5589045512
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
two billion one hundred fifty-five million four hundred nine thousand eight hundred fifty-five
Scientific notation
2.155409855 × 10^9
Engineering notation
2.155409855 × 10^9
Prime Factorization
85 × 443 × 57241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155409855
Product of the distinct prime numbers
The prime factorization of 2155409855 is 85 × 443 × 57241.
Since it has a total of 3 prime factors.
8 , 5 , 8 , 73 , 679 , 946 , 5068 , 2267 , 74806 , 4647 , 386438 , 741665 , 8739503 , 5865862 , 70554000 , 69667927 , 577995496 , 374872419 , 5411016116 , 1221906083
n×2
4310819710
n×3
6466229565
n×4
8621639420
n×5
10777049275
n÷2
1077704927.5
n÷3
718469951.66667
n÷3
538852463.75
n÷5
431081971
n2
4645791643031121025
n3
1.0013585091666E+28
n4
2.1583379990458E+37
n5
4.6521029935643E+46
2 √n
46426.391793892
3 √n
1291.7445009682
4 √n
215.46784399045
5 √n
73.57088373746
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
-2155409854
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 2155409855 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155409855) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011110001111000110111111
3
Ternary
12120012210011110122
4
Quaternary
2000132033012333
5
Quinary
13403241103410
6
Senary
553513525155
8
Octal
20036170677
10
Decimal
2155409855
12
Duodecimal
501a137bb
16
Hexadecimal
8078f1bf
20
Vigesimal
1ddb64cf
36
Base36
zn9wvz
md5
0ba8cb56407e63e3826aaa28fdeb1586
sha1
3b45fd204c919ab08e680de6dc6debd58732b6ad
sha256
ea9bd501c8336cca45e1bf63d0a26f41c816e2118585447fba0c421c1a5276e5
sha512
48ee9409fd62f8e39f5141fa8c7fbf2fd2e84b677b7c91a791239f28eb701551b54d97d08668837ca7c486918f70e3bd3def58eed76ae4a71ebb00c26a0d2cc8
ripemd-160
67e8e70eea94f13442e96fb66f1e805951ca3903
Diameter
4310819710
Circumference
13542839531.886
Area
1.4595184895855E+19
Volume
4.1944807146765E+28
Surface area
5.8380739583422E+19
Circumference
13542839531.886
Perimeter
8621639420
Area
4645791643031121025
Diagonal
3048209849.4136
Surface area
2.7874749858187E+19
Volume
1.0013585091666E+28
Space diagonal
3733279379.9947
Perimeter
6466229565
Area
2.0116867917772E+18
Altitude
1866639689.9973
Surface area
2.0116867917772E+18
Volume
1.1801123203842E+27
Height
1016069949.8045