2155495 is an odd 7-digits composite number following 2155494
and preceding 2155496 . In scientific notation, it is written as 2.155495 × 10^6.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 1724392 positive integers (up to 2155495) that are relatively prime to 2155495.
2155495 has 4 divisors, whose sum is 2586600
The reverse of 2155495 is 5945512
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million one hundred fifty-five thousand four hundred ninety-five
Scientific notation
2.155495 × 10^6
Engineering notation
2.155495 × 10^6
Prime Factorization
5 × 431099
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155495
Product of the distinct prime numbers
The prime factorization of 2155495 is 5 × 431099.
Since it has a total of 2 prime factors.
1 , 1 , 32 , 4 , 318 , 733 , 3238 , 3514 , 39636 , 82671 , 883768 , 602323 , 9843361 , 4400105 , 17254037 , 5118331 , 106825312 , 703171464 , 7360727837 , 4405520099
n×2
4310990
n×3
6466485
n×4
8621980
n×5
10777475
n÷2
1077747.5
n÷3
718498.33333333
n÷3
538873.75
n÷5
431099
n2
4646158695025
n3
1.0014771836333E+19
n4
2.1586790619356E+25
n5
4.653021924607E+31
2 √n
1468.1604135788
3 √n
129.17615099741
4 √n
38.316581444315
5 √n
18.48031646329
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
-2155494
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 2155495 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155495) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110001111100111
3
Ternary
11001111210011
4
Quaternary
20032033213
5
Quinary
1022433440
6
Senary
114111051
8
Octal
10161747
10
Decimal
2155495
12
Duodecimal
87b487
16
Hexadecimal
20e3e7
20
Vigesimal
d98ef
36
Base36
1a76v
md5
e75b3b6949d275bb68efbd32517c06af
sha1
d6bea2fb6382cc2da0373ec9e850046fe98b1358
sha256
93bd3f52650d8e85754e1d067f39d7ac97a5abd30d5e44f111731ff373371a22
sha512
342303c4520f92afe1a62af4a22bec5c53275930494b2cfb99fcecd074fc8338655f4905395070a171a1cbab9cf16d7b97ae36b4f0b10580e68d55631e4236e8
ripemd-160
d44a151c9b5dc98eed2fa0b0eafed0178256f017
Diameter
4310990
Circumference
13543374.513699
Area
14596338023703
Volume
4.1949778171202E+19
Surface area
58385352094812
Circumference
13543374.513699
Perimeter
8621980
Area
4646158695025
Diagonal
3048330.2626274
Surface area
27876952170150
Volume
1.0014771836333E+19
Space diagonal
3733426.8554607
Perimeter
6466485
Area
2011845729952.8
Altitude
1866713.4277303
Surface area
2011845729952.8
Volume
1.1802521795845E+18
Height
1016110.0875425