1921421 is an odd 7-digits composite number following 1921420
and preceding 1921422 . In scientific notation, it is written as 1.921421 × 10^6.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 1899744 positive integers (up to 1921421) that are relatively prime to 1921421.
1921421 has 4 divisors, whose sum is 1943100
The reverse of 1921421 is 1241291
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 20
Digital Root 2
Name
one million nine hundred twenty-one thousand four hundred twenty-one
Scientific notation
1.921421 × 10^6
Engineering notation
1.921421 × 10^6
Prime Factorization
89 × 21589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1921421
Product of the distinct prime numbers
The prime factorization of 1921421 is 89 × 21589.
Since it has a total of 2 prime factors.
6 , 5 , 97 , 11 , 573 , 71 , 8183 , 4208 , 28489 , 32576 , 61596 , 142163 , 3629827 , 7059878 , 24925109 , 41085917 , 277208265 , 760241023 , 4700579836 , 3262142697
n×2
3842842
n×3
5764263
n×4
7685684
n×5
9607105
n÷2
960710.5
n÷3
640473.66666667
n÷3
480355.25
n÷5
384284.2
n2
3691858659241
n3
7093614756897501461
n4
1.3629820359813E+25
n5
2.6188623065572E+31
2 √n
1386.1533104242
3 √n
124.31995501981
4 √n
37.231079898711
5 √n
18.060281140346
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1921420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1921421 can be divided by 4 positive divisors.
The sum of these divisors (counting 1921421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010101000110001101
3
Ternary
10121121200202
4
Quaternary
13111012031
5
Quinary
442441141
6
Senary
105103245
8
Octal
7250615
10
Decimal
1921421
12
Duodecimal
787b25
16
Hexadecimal
1d518d
20
Vigesimal
c03b1
36
Base36
156kt
md5
1d764eb6f96f3080d1ea1909740c6e0b
sha1
f501fe4f0322f539db6ccb03b5c69e39660ed191
sha256
5f8558c1f3480947f50c48f2bc8cef4ff0d7e508022ea5db4b4df4a5aca3cffb
sha512
a1e5d9155c28bb8700c887c0bd983557dd0377f02c4cfd29497b21c5c3358bf8e321290db8c5a9a1389004b62367d0f0e7b800825a892196e8fa4a6f290f2d93
ripemd-160
028253d668e96890e43f2b970f7a2ab6fd3ce272
Diameter
3842842
Circumference
12072644.196106
Area
11598316041963
Volume
2.971366401022E+19
Surface area
46393264167854
Circumference
12072644.196106
Perimeter
7685684
Area
3691858659241
Diagonal
2717299.6372285
Surface area
22151151955446
Volume
7093614756897501461
Space diagonal
3327998.7947298
Perimeter
5764263
Area
1598621693042.1
Altitude
1663999.3973649
Surface area
1598621693042.1
Volume
8.3599051628786E+17
Height
905766.54574283