21091383 is an odd 8-digits composite number following 21091382
and preceding 21091384 . In scientific notation, it is written as 2.1091383 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 14060916 positive integers (up to 21091383) that are relatively prime to 21091383.
21091383 has 6 divisors, whose sum is 30465344
The reverse of 21091383 is 38319012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million ninety-one thousand three hundred eighty-three
Scientific notation
2.1091383 × 10^7
Engineering notation
2.1091383 × 10^6
Prime Factorization
3 × 3 × 2343487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7030461
Product of the distinct prime numbers
The prime factorization of 21091383 is 3 × 3 × 2343487.
Since it has a total of 3 prime factors.
5 , 5 , 40 , 74 , 749 , 627 , 8171 , 2434 , 921 , 31702 , 503806 , 696066 , 7007420 , 1933469 , 25395297 , 94062120 , 349139700 , 407508121 , 2744644769 , 4701937584
n×2
42182766
n×3
63274149
n×4
84365532
n×5
105456915
n÷2
10545691.5
n÷3
7030461
n÷3
5272845.75
n÷5
4218276.6
n2
444846436852689
n3
9.3824265758454E+21
n4
1.9788835238053E+29
n5
4.1737390312968E+36
2 √n
4592.5355741682
3 √n
276.29202707507
4 √n
67.768249012116
5 √n
29.162248851704
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
-21091382
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 21091383 can be divided by 6 positive divisors.
The sum of these divisors (counting 21091383) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011101010000110111
3
Ternary
1110200112221100
4
Quaternary
1100131100313
5
Quinary
20344411013
6
Senary
2032021143
8
Octal
120352067
10
Decimal
21091383
12
Duodecimal
70917b3
16
Hexadecimal
141d437
20
Vigesimal
6bg893
36
Base36
ck27r
md5
c7037984a2f894fe9dfe5393fef5eed9
sha1
0fa87b3c4a71c53372593f549cd1f31a1521c4a1
sha256
fd0b73c6c0ca9bf9d90f9fdbebe8df117c9c60ffdb508e033bbf0f8827e2c8d3
sha512
554e5436474e97204131bc6367b0abd165d67e48b97aaa35635cc8c4cf4f1b364f1d0ef269eafe8d8652534d966c9ed5ea1cbe789f1931186b51f735fc114d68
ripemd-160
fa493269c94283f78000f49ec63a50873703de71
Diameter
42182766
Circumference
132521067.7737
Area
1.397526297992E+15
Volume
3.9301016538029E+22
Surface area
5.590105191968E+15
Circumference
132521067.7737
Perimeter
84365532
Area
444846436852689
Diagonal
29827719.887805
Surface area
2669078621116134
Volume
9.3824265758454E+21
Space diagonal
36531346.957894
Perimeter
63274149
Area
1.9262415754871E+14
Altitude
18265673.478947
Surface area
1.9262415754871E+14
Volume
1.1057295759609E+21
Height
9942573.2959351