2155238 is an even 7-digits composite number following 2155237
and preceding 2155239 . In scientific notation, it is written as 2.155238 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1030744 positive integers (up to 2155238) that are relatively prime to 2155238.
2155238 has 8 divisors, whose sum is 3373488
The reverse of 2155238 is 8325512
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 26
Digital Root 8
Name
two million one hundred fifty-five thousand two hundred thirty-eight
Scientific notation
2.155238 × 10^6
Engineering notation
2.155238 × 10^6
Prime Factorization
2 × 23 × 46853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155238
Product of the distinct prime numbers
The prime factorization of 2155238 is 2 × 23 × 46853.
Since it has a total of 3 prime factors.
3 , 6 , 84 , 41 , 479 , 517 , 3962 , 8126 , 35853 , 64923 , 317353 , 123539 , 5343807 , 9965137 , 50006701 , 53986709 , 310645191 , 951085129 , 3586154711 , 7164822130
n×2
4310476
n×3
6465714
n×4
8620952
n×5
10776190
n÷2
1077619
n÷3
718412.66666667
n÷3
538809.5
n÷5
431047.6
n2
4645050836644
n3
1.0011190075067E+19
n4
2.1576497275007E+25
n5
4.6502486833992E+31
2 √n
1468.072886474
3 √n
129.17101689592
4 √n
38.315439270273
5 √n
18.479875760078
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
-2155237
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 2155238 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001011100110
3
Ternary
11001111102122
4
Quaternary
20032023212
5
Quinary
1022431423
6
Senary
114105542
8
Octal
10161346
10
Decimal
2155238
12
Duodecimal
87b2b2
16
Hexadecimal
20e2e6
20
Vigesimal
d981i
36
Base36
1a6zq
md5
4e2e55b0d1298ed0e045ccd7032b7462
sha1
c3315cbdd8ef6d42838eacee18eecbc05e9f42a6
sha256
db41975420f882e6f4ebfc6700c0b5442eb262ff7f91c1b05343b6fabdbfeb07
sha512
590878aa1ade53949bc8ff9e7a15272c227a031b85c467f73491c854e8269b1fc4c432b53bc9167ad8b088652443568e028a50e54e0218cb41fa9a4c34b95414
ripemd-160
ab92a7714ab2cc7bf5a122875342c7f7258fed03
Diameter
4310476
Circumference
13541759.735075
Area
14592857583952
Volume
4.1934774924695E+19
Surface area
58371430335808
Circumference
13541759.735075
Perimeter
8620952
Area
4645050836644
Diagonal
3047966.8097419
Surface area
27870305019864
Volume
1.0011190075067E+19
Space diagonal
3732981.7184031
Perimeter
6465714
Area
2011366013201.9
Altitude
1866490.8592016
Surface area
2011366013201.9
Volume
1.1798300649712E+18
Height
1015988.9365806