2155994 is an even 7-digits composite number following 2155993
and preceding 2155995 . In scientific notation, it is written as 2.155994 × 10^6.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 1077996 positive integers (up to 2155994) that are relatively prime to 2155994.
2155994 has 4 divisors, whose sum is 3233994
The reverse of 2155994 is 4995512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
two million one hundred fifty-five thousand nine hundred ninety-four
Scientific notation
2.155994 × 10^6
Engineering notation
2.155994 × 10^6
Prime Factorization
2 × 1077997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155994
Product of the distinct prime numbers
The prime factorization of 2155994 is 2 × 1077997.
Since it has a total of 2 prime factors.
1 , 1 , 78 , 8 , 381 , 381 , 6552 , 7750 , 14980 , 21509 , 106560 , 551507 , 3331534 , 6087208 , 26878236 , 30290522 , 614850782 , 665310419 , 8815354929 , 5357669037
n×2
4311988
n×3
6467982
n×4
8623976
n×5
10779970
n÷2
1077997
n÷3
718664.66666667
n÷3
538998.5
n÷5
431198.8
n2
4648310128036
n3
1.0021728746185E+19
n4
2.1606787046402E+25
n5
4.6584103231321E+31
2 √n
1468.3303443027
3 √n
129.18611837937
4 √n
38.318798836898
5 √n
18.481172027706
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
-2155993
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 2155994 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155994) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110010111011010
3
Ternary
11001112110122
4
Quaternary
20032113122
5
Quinary
1022442434
6
Senary
114113242
8
Octal
10162732
10
Decimal
2155994
12
Duodecimal
87b822
16
Hexadecimal
20e5da
20
Vigesimal
d99je
36
Base36
1a7kq
md5
23e95c4c63783055cbaed607254b0fbf
sha1
d768507c1097b7b1b56356ef18bdf0ddb3aecd25
sha256
b4a7e9e3f4ec23ba75a4915969ac96d05cd2f7cf39145a9eba8be65655fbddf8
sha512
140fde4daec2a7ac9c5519509c107bdce9049a79f3dd34b10c223c8d3277223e94653a854b0c0e0fd105a6c83df5336610279b4402c65c02601b77a9333357e2
ripemd-160
38144e354b92e64e9c115c96e8d0bb86974b6534
Diameter
4311988
Circumference
13546509.823167
Area
14603096949845
Volume
4.1978919207045E+19
Surface area
58412387799380
Circumference
13546509.823167
Perimeter
8623976
Area
4648310128036
Diagonal
3049035.955195
Surface area
27889860768216
Volume
1.0021728746185E+19
Space diagonal
3734291.1488137
Perimeter
6467982
Area
2012777327773.8
Altitude
1867145.5744068
Surface area
2012777327773.8
Volume
1.1810720592732E+18
Height
1016345.3183983