21491094 is an even 8-digits composite number following 21491093
and preceding 21491095 . In scientific notation, it is written as 2.1491094 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6676992 positive integers (up to 21491094) that are relatively prime to 21491094.
21491094 has 16 divisors, whose sum is 43027632
The reverse of 21491094 is 49019412
Previous prime number is 1853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-one thousand ninety-four
Scientific notation
2.1491094 × 10^7
Engineering notation
2.1491094 × 10^6
Prime Factorization
2 × 3 × 1853 × 1933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21491094
Product of the distinct prime numbers
The prime factorization of 21491094 is 2 × 3 × 1853 × 1933.
Since it has a total of 4 prime factors.
9 , 4 , 22 , 8 , 213 , 659 , 6078 , 6256 , 37635 , 41349 , 804721 , 460739 , 3839658 , 3406091 , 21888859 , 48216790 , 989687145 , 1075171 , 5990176178 , 7172550568
n×2
42982188
n×3
64473282
n×4
85964376
n×5
107455470
n÷2
10745547
n÷3
7163698
n÷3
5372773.5
n÷5
4298218.8
n2
461867121316836
n3
9.9260297197295E+21
n4
2.133212377535E+29
n5
4.5845067727568E+36
2 √n
4635.8487895961
3 √n
278.02648851342
4 √n
68.087067711836
5 √n
29.271953376399
1 , 2 , 3 , 6 , 1853 , 1933 , 3706 , 3866 , 5559 , 5799 , 11118 , 11598 , 3581849 , 7163698 , 10745547 , 21491094
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
-21491093
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 21491094 can be divided by 16 positive divisors.
The sum of these divisors (counting 21491094) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110110110010110
3
Ternary
1111102212020110
4
Quaternary
1101332312112
5
Quinary
21000203334
6
Senary
2044343450
8
Octal
121766626
10
Decimal
21491094
12
Duodecimal
7244b86
16
Hexadecimal
147ed96
20
Vigesimal
6e67ee
36
Base36
csmmu
md5
c4fde2e306bab3473dbc9140ffc4f1de
sha1
8077544f955c7cd437c653927b7193cd03ee48f5
sha256
5752bc7535a6c6de11303910422c175024a4a433ac57ecee0cd9d5e3efb91728
sha512
49231afe4a391091b918c214d962fa1c8f7f373b6659074c4df99ab9aa70ea6f70a4d0abfdfcf7f6661bf9c09540e3bd631b954c3ad66a7dacfbb61b4d8c4ca1
ripemd-160
2e0925d893c98a2e16545ecd67067797c903ca11
Diameter
42982188
Circumference
135032526.05602
Area
1.4509983552636E+15
Volume
4.1578056062422E+22
Surface area
5.8039934210546E+15
Circumference
135032526.05602
Perimeter
85964376
Area
461867121316836
Diagonal
30392996.605035
Surface area
2771202727901016
Volume
9.9260297197295E+21
Space diagonal
37223666.718239
Perimeter
64473282
Area
1.9999433011658E+14
Altitude
18611833.359119
Surface area
1.9999433011658E+14
Volume
1.1697938208467E+21
Height
10130998.868345