1981884 is an even 7-digits composite number following 1981883
and preceding 1981885 . In scientific notation, it is written as 1.981884 × 10^6.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 657280 positive integers (up to 1981884) that are relatively prime to 1981884.
1981884 has 24 divisors, whose sum is 4647888
The reverse of 1981884 is 4881891
Previous prime number is 521
Is Prime? no
Number parity even
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million nine hundred eighty-one thousand eight hundred eighty-four
Scientific notation
1.981884 × 10^6
Engineering notation
1.981884 × 10^6
Prime Factorization
2 × 2 × 3 × 521 × 317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
990942
Product of the distinct prime numbers
The prime factorization of 1981884 is 2 × 2 × 3 × 521 × 317.
Since it has a total of 5 prime factors.
2 , 3 , 14 , 33 , 578 , 439 , 7229 , 5609 , 3102 , 87189 , 391809 , 522493 , 9397244 , 3675840 , 14616382 , 75300177 , 460839047 , 316027675 , 7101607865 , 2151924370
n×2
3963768
n×3
5945652
n×4
7927536
n×5
9909420
n÷2
990942
n÷3
660628
n÷3
495471
n÷5
396376.8
n2
3927864189456
n3
7784571191255815104
n4
1.5428117090811E+25
n5
3.0576738412405E+31
2 √n
1407.7940190241
3 √n
125.61053842093
4 √n
37.520581272471
5 √n
18.17254053757
1 , 2 , 3 , 4 , 6 , 12 , 317 , 521 , 634 , 951 , 1042 , 1268 , 1563 , 1902 , 2084 , 3126 , 3804 , 6252 , 165157 , 330314 , 495471 , 660628 , 990942 , 1981884
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981883
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981884 can be divided by 24 positive divisors.
The sum of these divisors (counting 1981884) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100011110110111100
3
Ternary
10201200122010
4
Quaternary
13203312330
5
Quinary
1001410014
6
Senary
110251220
8
Octal
7436674
10
Decimal
1981884
12
Duodecimal
7b6b10
16
Hexadecimal
1e3dbc
20
Vigesimal
c7ee4
36
Base36
16h8c
md5
24b744de89e2bc2704cc09bcd18b72a7
sha1
5ee23dd83767d947da3cb8e12e9c4467a530684e
sha256
866d1265162ee7234a571ba42a106e1f81ae1712dc076ed67ed2391bab4f15a3
sha512
222ed03e79c5b3822f6a8c394d3e2a8314fbb9ba2a19c46fc095b4f19eeafe7ab624db1e00b93cae5e259eafc36f9c8771c7d2d52ebbd7e7b9cb6460bd82c886
ripemd-160
43b946995d8ec22946c07d5d93b98581cdbdfcfc
Diameter
3963768
Circumference
12452544.429334
Area
12339749281893
Volume
3.2607935554395E+19
Surface area
49358997127574
Circumference
12452544.429334
Perimeter
7927536
Area
3927864189456
Diagonal
2802807.2318502
Surface area
23567185136736
Volume
7784571191255815104
Space diagonal
3432723.7827078
Perimeter
5945652
Area
1700815085342
Altitude
1716361.8913539
Surface area
1700815085342
Volume
9.174205129944E+17
Height
934269.07728341