21291226 is an even 8-digits composite number following 21291225
and preceding 21291227 . In scientific notation, it is written as 2.1291226 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 9646480 positive integers (up to 21291226) that are relatively prime to 21291226.
21291226 has 16 divisors, whose sum is 34953120
The reverse of 21291226 is 62219212
Previous prime number is 347
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred ninety-one thousand two hundred twenty-six
Scientific notation
2.1291226 × 10^7
Engineering notation
2.1291226 × 10^6
Prime Factorization
2 × 11 × 347 × 2789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21291226
Product of the distinct prime numbers
The prime factorization of 21291226 is 2 × 11 × 347 × 2789.
Since it has a total of 4 prime factors.
2 , 2 , 27 , 85 , 376 , 749 , 8539 , 6443 , 6098 , 91883 , 436445 , 371715 , 5262698 , 9884908 , 8983559 , 52870099 , 33441190 , 836344513 , 7563523249 , 2105995877
n×2
42582452
n×3
63873678
n×4
85164904
n×5
106456130
n÷2
10645613
n÷3
7097075.3333333
n÷3
5322806.5
n÷5
4258245.2
n2
453316304583076
n3
9.6516598903631E+21
n4
2.0549567200086E+29
n5
4.3752547945921E+36
2 √n
4614.2416495021
3 √n
277.16191709049
4 √n
67.928209526692
5 √n
29.2173036404
1 , 2 , 11 , 22 , 347 , 694 , 2789 , 3817 , 5578 , 7634 , 30679 , 61358 , 967783 , 1935566 , 10645613 , 21291226
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
-21291225
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 21291226 can be divided by 16 positive divisors.
The sum of these divisors (counting 21291226) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110000011011010
3
Ternary
1111001201001221
4
Quaternary
1101032003122
5
Quinary
20422304401
6
Senary
2040202254
8
Octal
121160332
10
Decimal
21291226
12
Duodecimal
716938a
16
Hexadecimal
144e0da
20
Vigesimal
6d1816
36
Base36
cocey
md5
d20e58e099f8b4a5943cfa85af681483
sha1
57850280bb70505495e4fb8c23ec25db0a9ca9b2
sha256
16135e082ee09b12714d5733e7ccff5924beba6b9cbd8d28b382d472a7cb60db
sha512
d123fb5ed760199f128c63430d77163d473923244a09d971c46eadf8c55ac97ae0ca56b8ffe365f7766494f16d0705b30b13efe850daf9924196dad372100214
ripemd-160
9f01e749c7ed1b4fb1e0aac527312138ac66e464
Diameter
42582452
Circumference
133776718.37504
Area
1.4241351722307E+15
Volume
4.0428778408683E+22
Surface area
5.6965406889227E+15
Circumference
133776718.37504
Perimeter
85164904
Area
453316304583076
Diagonal
30110340.568751
Surface area
2719897827498456
Volume
9.6516598903631E+21
Space diagonal
36877485.187431
Perimeter
63873678
Area
1.9629171785931E+14
Altitude
18438742.593716
Surface area
1.9629171785931E+14
Volume
1.1374590263637E+21
Height
10036780.189584