2155389728 is an even 10-digits composite number following 2155389727
and preceding 2155389729 . In scientific notation, it is written as 2.155389728 × 10^9.
The sum of its digits is 50. It has a total of 6 prime factors and 12 positive divisors.
There are 1077694848 positive integers (up to 2155389728) that are relatively prime to 2155389728.
2155389728 has 12 divisors, whose sum is 4243423590
The reverse of 2155389728 is 8279835512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
two billion one hundred fifty-five million three hundred eighty-nine thousand seven hundred twenty-eight
Scientific notation
2.155389728 × 10^9
Engineering notation
2.155389728 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 67355929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
134711858
Product of the distinct prime numbers
The prime factorization of 2155389728 is 2 × 2 × 2 × 2 × 2 × 67355929.
Since it has a total of 6 prime factors.
4 , 8 , 65 , 34 , 163 , 126 , 8950 , 9834 , 59236 , 48085 , 449818 , 803686 , 8653721 , 8987899 , 56063339 , 4804236 , 787598772 , 155077056 , 1314201885 , 9940385307
n×2
4310779456
n×3
6466169184
n×4
8621558912
n×5
10776948640
n÷2
1077694864
n÷3
718463242.66667
n÷3
538847432
n÷5
431077945.6
n2
4645704879567913984
n3
1.001330457674E+28
n4
2.1582573828041E+37
n5
4.6518857932761E+46
2 √n
46426.175030903
3 √n
1291.740480229
4 √n
215.46734098443
5 √n
73.570746337447
1 , 2 , 4 , 8 , 16 , 32 , 67355929 , 134711858 , 269423716 , 538847432 , 1077694864 , 2155389728
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155389727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155389728 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155389728) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000000011110001010001100100000
3
Ternary
12120012202010212012
4
Quaternary
2000132022030200
5
Quinary
13403234432403
6
Senary
553513252052
8
Octal
20036121440
10
Decimal
2155389728
12
Duodecimal
501a04028
16
Hexadecimal
8078a320
20
Vigesimal
1ddb3e68
36
Base36
zn9hcw
md5
4aaeec9c3dae6e8681f33186cfc60d4a
sha1
d3bdf6bd5fdc4505c7237884d14631b2b10c34fc
sha256
9d5b7876ceb5b6377acdac48d008c7cb173a2b96c4ce7f3d0a44f56596437dd7
sha512
f6f0d47afe03acf2ce49b9adef43ba4d0db59a29f909144d6feac9e0b4af3e5de0aecc84e0cb016471d54dc5dc303791d8024e69d52fa31670ce8c77410315c5
ripemd-160
478a3b9fbee9709c32a125f6b9100bf1a416ce96
Diameter
4310779456
Circumference
13542713070.215
Area
1.4594912320397E+19
Volume
4.1943632128592E+28
Surface area
5.8379649281587E+19
Circumference
13542713070.215
Perimeter
8621558912
Area
4645704879567913984
Diagonal
3048181385.5373
Surface area
2.7874229277407E+19
Volume
1.001330457674E+28
Space diagonal
3733244519.0081
Perimeter
6466169184
Area
2.0116492220956E+18
Altitude
1866622259.504
Surface area
2.0116492220956E+18
Volume
1.1800792613832E+27
Height
1016060461.8458