1921444 is an even 7-digits composite number following 1921443
and preceding 1921445 . In scientific notation, it is written as 1.921444 × 10^6.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 816480 positive integers (up to 1921444) that are relatively prime to 1921444.
1921444 has 24 divisors, whose sum is 3875648
The reverse of 1921444 is 4441291
Previous prime number is 163
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million nine hundred twenty-one thousand four hundred forty-four
Scientific notation
1.921444 × 10^6
Engineering notation
1.921444 × 10^6
Prime Factorization
2 × 2 × 7 × 163 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
960722
Product of the distinct prime numbers
The prime factorization of 1921444 is 2 × 2 × 7 × 163 × 421.
Since it has a total of 5 prime factors.
9 , 8 , 28 , 47 , 880 , 441 , 8079 , 1973 , 6268 , 74585 , 589056 , 139616 , 177832 , 6439150 , 40721405 , 48862223 , 561887421 , 244373367 , 5241255733 , 4929919277
n×2
3842888
n×3
5764332
n×4
7685776
n×5
9607220
n÷2
960722
n÷3
640481.33333333
n÷3
480361
n÷5
384288.8
n2
3691947045136
n3
7093869498194296384
n4
1.3630472984088E+25
n5
2.6190190532439E+31
2 √n
1386.16160674
3 √n
124.32045106719
4 √n
37.231191315079
5 √n
18.060324377562
1 , 2 , 4 , 7 , 14 , 28 , 163 , 326 , 421 , 652 , 842 , 1141 , 1684 , 2282 , 2947 , 4564 , 5894 , 11788 , 68623 , 137246 , 274492 , 480361 , 960722 , 1921444
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
-1921443
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 1921444 can be divided by 24 positive divisors.
The sum of these divisors (counting 1921444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111010101000110100100
3
Ternary
10121121201121
4
Quaternary
13111012210
5
Quinary
442441234
6
Senary
105103324
8
Octal
7250644
10
Decimal
1921444
12
Duodecimal
787b44
16
Hexadecimal
1d51a4
20
Vigesimal
c03c4
36
Base36
156lg
md5
c9c1661d07d22f33938dcb539fedd3b9
sha1
56996df616f596e53830f01022298c653f887c8d
sha256
64f40e763418f95347c3e65aa424faf8c7576847f2576c6cb6f95eb609aee5fa
sha512
cb16f7c9f77417dac44cfd7531595e2423fdbfde6b9241b7e8c2aaf75a21954b02ca8add10d3162df189f4b6202b3a18cfb1603a985605ad3a1b6701e5dd3cfc
ripemd-160
8388f02a2c6db50dad76b100f08c4fcf3f521e54
Diameter
3842888
Circumference
12072788.709368
Area
11598593714442
Volume
2.9714731068069E+19
Surface area
46394374857767
Circumference
12072788.709368
Perimeter
7685776
Area
3691947045136
Diagonal
2717332.1641404
Surface area
22151682270816
Volume
7093869498194296384
Space diagonal
3328038.6318984
Perimeter
5764332
Area
1598659965257.3
Altitude
1664019.3159492
Surface area
1598659965257.3
Volume
8.360205378376E+17
Height
905777.3880468