1981844 is an even 7-digits composite number following 1981843
and preceding 1981845 . In scientific notation, it is written as 1.981844 × 10^6.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 990920 positive integers (up to 1981844) that are relatively prime to 1981844.
1981844 has 6 divisors, whose sum is 3468234
The reverse of 1981844 is 4481891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
one million nine hundred eighty-one thousand eight hundred forty-four
Scientific notation
1.981844 × 10^6
Engineering notation
1.981844 × 10^6
Prime Factorization
2 × 2 × 495461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990922
Product of the distinct prime numbers
The prime factorization of 1981844 is 2 × 2 × 495461.
Since it has a total of 3 prime factors.
6 , 7 , 60 , 1 , 649 , 117 , 7892 , 2610 , 27952 , 38458 , 140779 , 729338 , 4791987 , 9800033 , 73127568 , 80240630 , 601124945 , 423950860 , 9338753823 , 3263519733
n×2
3963688
n×3
5945532
n×4
7927376
n×5
9909220
n÷2
990922
n÷3
660614.66666667
n÷3
495461
n÷5
396368.8
n2
3927705640336
n3
7784099857066059584
n4
1.5426871597127E+25
n5
3.0573652913537E+31
2 √n
1407.7798123286
3 √n
125.60969335712
4 √n
37.520391953291
5 √n
18.172467182369
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981844 can be divided by 6 positive divisors.
The sum of these divisors (counting 1981844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111100011110110010100
3
Ternary
10201200120122
4
Quaternary
13203312110
5
Quinary
1001404334
6
Senary
110251112
8
Octal
7436624
10
Decimal
1981844
12
Duodecimal
7b6a98
16
Hexadecimal
1e3d94
20
Vigesimal
c7ec4
36
Base36
16h78
md5
4b0c436d4efed91b0761d24c4e479f55
sha1
6ec5f299cb1482d21dd33598730e672cf17c64b2
sha256
b2a1c2ec4634b4298933f4b52ca9f3d25f209735ae615952d260092e1e44585e
sha512
66675ecc3683a2c11b4d557e573badcce9710912dadd2587f20c26160809e4f4bbf5e677313adc65dcbbfab73df9bb1454613673938faea3d014c7f82b066e34
ripemd-160
8ed12743fa342a9186964578c0aa6582784d40b7
Diameter
3963688
Circumference
12452293.101922
Area
12339251185143
Volume
3.2605961234357E+19
Surface area
49357004740571
Circumference
12452293.101922
Perimeter
7927376
Area
3927705640336
Diagonal
2802750.6633077
Surface area
23566233842016
Volume
7784099857066059584
Space diagonal
3432654.5006755
Perimeter
5945532
Area
1700746431559.2
Altitude
1716327.2503378
Surface area
1700746431559.2
Volume
9.1736496572744E+17
Height
934250.22110258