2155249 is an odd 7-digits composite number following 2155248
and preceding 2155250 . In scientific notation, it is written as 2.155249 × 10^6.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 2136064 positive integers (up to 2155249) that are relatively prime to 2155249.
2155249 has 4 divisors, whose sum is 2174436
The reverse of 2155249 is 9425512
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 28
Digital Root 1
Name
two million one hundred fifty-five thousand two hundred forty-nine
Scientific notation
2.155249 × 10^6
Engineering notation
2.155249 × 10^6
Prime Factorization
113 × 19073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155249
Product of the distinct prime numbers
The prime factorization of 2155249 is 113 × 19073.
Since it has a total of 2 prime factors.
7 , 2 , 38 , 26 , 179 , 380 , 4731 , 3497 , 91026 , 39048 , 863812 , 195867 , 5468048 , 1063646 , 66505528 , 22542973 , 954306884 , 302957602 , 1409892489 , 81033647
n×2
4310498
n×3
6465747
n×4
8620996
n×5
10776245
n÷2
1077624.5
n÷3
718416.33333333
n÷3
538812.25
n÷5
431049.8
n2
4645098252001
n3
1.0011343362527E+19
n4
2.1576937770743E+25
n5
4.6503673553456E+31
2 √n
1468.0766328772
3 √n
129.17123665181
4 √n
38.315488159192
5 √n
18.479894623722
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
-2155248
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 2155249 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155249) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110001011110001
3
Ternary
11001111110001
4
Quaternary
20032023301
5
Quinary
1022431444
6
Senary
114110001
8
Octal
10161361
10
Decimal
2155249
12
Duodecimal
87b301
16
Hexadecimal
20e2f1
20
Vigesimal
d9829
36
Base36
1a701
md5
eea238f0ce703c393aedcdaa62e41a1f
sha1
74859fe855ff76739d8e072772ad3536a1cecb43
sha256
92c21e966e038e8aa26dae36414abd07ed86e3e0579eb87a46d318fc72eb71e0
sha512
246f23fe93ec25ebcb2cf7b2b6519b82ff5d4cb3eafffe2b51807f6c8a8467f8284717bac7e078912c402efaf2be66f2fb3f1421fc9f29f8257987e1dee1c54a
ripemd-160
a03238445c93e5228c8729dceedde508c70bf681
Diameter
4310498
Circumference
13541828.850113
Area
14593006543689
Volume
4.1935417013706E+19
Surface area
58372026174757
Circumference
13541828.850113
Perimeter
8620996
Area
4645098252001
Diagonal
3047982.3660911
Surface area
27870589512006
Volume
1.0011343362527E+19
Space diagonal
3733000.770962
Perimeter
6465747
Area
2011386544653.8
Altitude
1866500.385481
Surface area
2011386544653.8
Volume
1.1798481300716E+18
Height
1015994.1220304