1981454 is an even 7-digits composite number following 1981453
and preceding 1981455 . In scientific notation, it is written as 1.981454 × 10^6.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 945504 positive integers (up to 1981454) that are relatively prime to 1981454.
1981454 has 16 divisors, whose sum is 3110400
The reverse of 1981454 is 4541891
Previous prime number is 127
Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5
Name
one million nine hundred eighty-one thousand four hundred fifty-four
Scientific notation
1.981454 × 10^6
Engineering notation
1.981454 × 10^6
Prime Factorization
2 × 29 × 127 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1981454
Product of the distinct prime numbers
The prime factorization of 1981454 is 2 × 29 × 127 × 269.
Since it has a total of 4 prime factors.
6 , 8 , 55 , 96 , 698 , 296 , 3133 , 4656 , 99076 , 34188 , 471676 , 278392 , 8890320 , 9146438 , 9044828 , 39040402 , 290878758 , 744878638 , 1424008688 , 4812598406
n×2
3962908
n×3
5944362
n×4
7925816
n×5
9907270
n÷2
990727
n÷3
660484.66666667
n÷3
495363.5
n÷5
396290.8
n2
3926159954116
n3
7779505345722964664
n4
1.5414731985304E+25
n5
3.0543582351209E+31
2 √n
1407.6412895337
3 √n
125.601453389
4 √n
37.51854594109
5 √n
18.171751907086
1 , 2 , 29 , 58 , 127 , 254 , 269 , 538 , 3683 , 7366 , 7801 , 15602 , 34163 , 68326 , 990727 , 1981454
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
-1981453
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 1981454 can be divided by 16 positive divisors.
The sum of these divisors (counting 1981454) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100011110000001110
3
Ternary
10201200001012
4
Quaternary
13203300032
5
Quinary
1001401304
6
Senary
110245222
8
Octal
7436016
10
Decimal
1981454
12
Duodecimal
7b6812
16
Hexadecimal
1e3c0e
20
Vigesimal
c7dce
36
Base36
16gwe
md5
85fa1a281290c60f9c9e41df341731a6
sha1
c07679cdcd0888add78efbd3406544056f5f2bf2
sha256
c1ba93a7ab3057d3bfc503938d9fcd491954b781eca0a8c0135e6091c38ba1e7
sha512
2c256ae3dfd414fde2d76cc0530af252f733e72825731e46b19e79e9a4c79852ca72ad3d436e8c15b7bf27d6d414dd4ce6c16085f0eb24eade26cc60a77215ee
ripemd-160
19396a56c3f355ad8ca9525ae58b450450c93d13
Diameter
3962908
Circumference
12449842.659652
Area
12334395268669
Volume
3.2586715790248E+19
Surface area
49337581074677
Circumference
12449842.659652
Perimeter
7925816
Area
3926159954116
Diagonal
2802199.1200184
Surface area
23556959724696
Volume
7779505345722964664
Space diagonal
3431979.0008606
Perimeter
5944362
Area
1700077129792.8
Altitude
1715989.5004303
Surface area
1700077129792.8
Volume
9.1682349737295E+17
Height
934066.37333947