2118081 is an odd 7-digits composite number following 2118080
and preceding 2118082 . In scientific notation, it is written as 2.118081 × 10^6.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 1135872 positive integers (up to 2118081) that are relatively prime to 2118081.
2118081 has 16 divisors, whose sum is 2620800
The reverse of 2118081 is 1808112
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
two million one hundred eighteen thousand eighty-one
Scientific notation
2.118081 × 10^6
Engineering notation
2.118081 × 10^6
Prime Factorization
17 × 7 × 51 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2118081
Product of the distinct prime numbers
The prime factorization of 2118081 is 17 × 7 × 51 × 349.
Since it has a total of 4 prime factors.
4 , 2 , 72 , 81 , 903 , 596 , 1375 , 5065 , 56437 , 48753 , 939649 , 703356 , 7164515 , 2084376 , 51892650 , 18505517 , 970236848 , 397413965 , 3409677906 , 5028232318
n×2
4236162
n×3
6354243
n×4
8472324
n×5
10590405
n÷2
1059040.5
n÷3
706027
n÷3
529520.25
n÷5
423616.2
n2
4486267122561
n3
9.5022771532211E+18
n4
2.0126592694972E+25
n5
4.2629753581958E+31
2 √n
1455.3628413561
3 √n
128.42439293553
4 √n
38.149218096261
5 √n
18.415711932333
1 , 7 , 17 , 51 , 119 , 349 , 357 , 867 , 2443 , 5933 , 6069 , 17799 , 41531 , 124593 , 302583 , 2118081
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2118080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2118081 can be divided by 16 positive divisors.
The sum of these divisors (counting 2118081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000000101000111000001
3
Ternary
10222121110110
4
Quaternary
20011013001
5
Quinary
1020234311
6
Senary
113221533
8
Octal
10050701
10
Decimal
2118081
12
Duodecimal
8618a9
16
Hexadecimal
2051c1
20
Vigesimal
d4f41
36
Base36
19ebl
md5
f29f44389077d78900f41fddb79d079e
sha1
49ce086b8244e365ac578244565b9268ce23a01c
sha256
567ab31d0a1b6c9529b1c64d9f6529fa409ea25848f5f2a422b10f02fd3365f5
sha512
8041b34db92a43a63c8c19db2c190fef2e4c1fcde8dc8655efbe67720ba49392cca33ed8bc304b699aa91a252c4dbd01defa3373c846d80f2cb8b0bc006058e0
ripemd-160
5ff663a61c488012c9214c4fa6d72f3536794fb0
Diameter
4236162
Circumference
13308295.418616
Area
14094023834279
Volume
3.9803045462578E+19
Surface area
56376095337116
Circumference
13308295.418616
Perimeter
8472324
Area
4486267122561
Diagonal
2995418.8764048
Surface area
26917602735366
Volume
9.5022771532211E+18
Space diagonal
3668623.9065463
Perimeter
6354243
Area
1942610648150.4
Altitude
1834311.9532731
Surface area
1942610648150.4
Volume
1.1198541019594E+18
Height
998472.95880159