21497211 is an odd 8-digits composite number following 21497210
and preceding 21497212 . In scientific notation, it is written as 2.1497211 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 14331456 positive integers (up to 21497211) that are relatively prime to 21497211.
21497211 has 8 divisors, whose sum is 31847760
The reverse of 21497211 is 11279412
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 four hundred ninety-seven thousand two hundred eleven
Scientific notation
2.1497211 × 10^7
Engineering notation
2.1497211 × 10^6
Prime Factorization
9 × 3 × 796193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21497211
Product of the distinct prime numbers
The prime factorization of 21497211 is 9 × 3 × 796193.
Since it has a total of 3 prime factors.
3 , 6 , 73 , 32 , 977 , 513 , 5171 , 5338 , 64460 , 89847 , 838920 , 541416 , 5023215 , 7218923 , 30770524 , 39135619 , 568817313 , 739875081 , 5788161310 , 6990314315
n×2
42994422
n×3
64491633
n×4
85988844
n×5
107486055
n÷2
10748605.5
n÷3
7165737
n÷3
5374302.75
n÷5
4299442.2
n2
462130080778521
n3
9.9345078559429E+21
n4
2.1356421156036E+29
n5
4.5910349179617E+36
2 √n
4636.5084923895
3 √n
278.05286419413
4 √n
68.091912092329
5 √n
29.273619519187
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497210
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497211 can be divided by 8 positive divisors.
The sum of these divisors (counting 21497211) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000010101111011
3
Ternary
1111110011122000
4
Quaternary
1102000111323
5
Quinary
21000402321
6
Senary
2044432043
8
Octal
122002573
10
Decimal
21497211
12
Duodecimal
7248623
16
Hexadecimal
148057b
20
Vigesimal
6e730b
36
Base36
csrcr
md5
7af4d762062fbfd2c3b9cd9b6d5be518
sha1
dc9a8546c4c52d56846a0340b14e39e99e16ef04
sha256
31c5bd7f574d89262331d96ba353bc3580e1eaa8db513c991ef2eaf8107f78bb
sha512
63e04684555778dbe48bfa59ef367aa1cebabcd1fbf3539f07d42971623bd28a07a29cb9837393ee63f3d38c5a626fd6fe4166d3f2179d7d59c411e109ebc369
ripemd-160
abdaa3728287b45599a75e4345551d1d78d884ce
Diameter
42994422
Circumference
135070960.30054
Area
1.4518244667767E+15
Volume
4.1613569196347E+22
Surface area
5.8072978671066E+15
Circumference
135070960.30054
Perimeter
85988844
Area
462130080778521
Diagonal
30401647.349396
Surface area
2772780484671126
Volume
9.9345078559429E+21
Space diagonal
37234261.673029
Perimeter
64491633
Area
2.0010819490358E+14
Altitude
18617130.836514
Surface area
2.0010819490358E+14
Volume
1.1707929787814E+21
Height
10133882.449799