2112981 is an odd 7-digits composite number following 2112980
and preceding 2112982 . In scientific notation, it is written as 2.112981 × 10^6.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 1223424 positive integers (up to 2112981) that are relatively prime to 2112981.
2112981 has 16 divisors, whose sum is 3213504
The reverse of 2112981 is 1892112
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 24
Digital Root 6
Name
two million one hundred twelve thousand nine hundred eighty-one
Scientific notation
2.112981 × 10^6
Engineering notation
2.112981 × 10^6
Prime Factorization
3 × 13 × 17 × 3187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2112981
Product of the distinct prime numbers
The prime factorization of 2112981 is 3 × 13 × 17 × 3187.
Since it has a total of 4 prime factors.
9 , 9 , 29 , 4 , 804 , 183 , 7633 , 8180 , 10734 , 91714 , 533955 , 619681 , 1924521 , 5276182 , 35936431 , 6565158 , 736487065 , 883725115 , 8509038352 , 5462999812
n×2
4225962
n×3
6338943
n×4
8451924
n×5
10564905
n÷2
1056490.5
n÷3
704327
n÷3
528245.25
n÷5
422596.2
n2
4464688706361
n3
9.4338024074554E+18
n4
1.9933445244707E+25
n5
4.2118991066607E+31
2 √n
1453.6096449873
3 √n
128.32123496826
4 √n
38.126233029074
5 √n
18.406834961186
1 , 3 , 13 , 17 , 39 , 51 , 221 , 663 , 3187 , 9561 , 41431 , 54179 , 124293 , 162537 , 704327 , 2112981
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
-2112980
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 2112981 can be divided by 16 positive divisors.
The sum of these divisors (counting 2112981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000000011110111010101
3
Ternary
10222100110120
4
Quaternary
20003313111
5
Quinary
1020103411
6
Senary
113142153
8
Octal
10036725
10
Decimal
2112981
12
Duodecimal
85a959
16
Hexadecimal
203dd5
20
Vigesimal
d4291
36
Base36
19adx
md5
8c3c9499e706210a7dbc08483b11276c
sha1
1955227c5ca027c19fe1d198477db9a5bbe87cf6
sha256
2729727c081448ec60abc54ff2744187ac0e2e81ba9c798d37b491d50f1ff4db
sha512
8820d2f51b4d6128c54016b543979b7f25a01d0211d96faeadbcc8733a83ea2d5e4bba57a0b08bb3a8feba60e65fd558bd093f7fb2dcec82ced3c99478d08e82
ripemd-160
229ba25486a61b932571efbf86dc55b7605194ad
Diameter
4225962
Circumference
13276251.17355
Area
14026233240469
Volume
3.9516219118239E+19
Surface area
56104932961876
Circumference
13276251.17355
Perimeter
8451924
Area
4464688706361
Diagonal
2988206.3872367
Surface area
26788132238166
Volume
9.4338024074554E+18
Space diagonal
3659790.4474277
Perimeter
6338943
Area
1933266919849.1
Altitude
1829895.2237138
Surface area
1933266919849.1
Volume
1.1117842757809E+18
Height
996068.79574556