21497732 is an even 8-digits composite number following 21497731
and preceding 21497733 . In scientific notation, it is written as 2.1497732 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 10216800 positive integers (up to 21497732) that are relatively prime to 21497732.
21497732 has 24 divisors, whose sum is 39504192
The reverse of 21497732 is 23779412
Previous prime number is 1291
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-seven thousand seven hundred thirty-two
Scientific notation
2.1497732 × 10^7
Engineering notation
2.1497732 × 10^6
Prime Factorization
2 × 2 × 23 × 1291 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10748866
Product of the distinct prime numbers
The prime factorization of 21497732 is 2 × 2 × 23 × 1291 × 181.
Since it has a total of 5 prime factors.
6 , 2 , 95 , 21 , 534 , 613 , 6264 , 408 , 3987 , 12578 , 814224 , 884554 , 8319676 , 1250421 , 57426860 , 82872929 , 672151215 , 236877516 , 5668594381 , 5582812346
n×2
42995464
n×3
64493196
n×4
85990928
n×5
107488660
n÷2
10748866
n÷3
7165910.6666667
n÷3
5374433
n÷5
4299546.4
n2
462152481143824
n3
9.935230182765E+21
n4
2.1358491582739E+29
n5
4.5915912796998E+36
2 √n
4636.5646765682
3 √n
278.05511044477
4 √n
68.092324652403
5 √n
29.273761411155
1 , 2 , 4 , 23 , 46 , 92 , 181 , 362 , 724 , 1291 , 2582 , 4163 , 5164 , 8326 , 16652 , 29693 , 59386 , 118772 , 233671 , 467342 , 934684 , 5374433 , 10748866 , 21497732
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497731
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497732 can be divided by 24 positive divisors.
The sum of these divisors (counting 21497732) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000000011110000100
3
Ternary
1111110012100022
4
Quaternary
1102000132010
5
Quinary
21000411412
6
Senary
2044434312
8
Octal
122003604
10
Decimal
21497732
12
Duodecimal
7248998
16
Hexadecimal
1480784
20
Vigesimal
6e746c
36
Base36
csrr8
md5
856345ad3c5cd0653c556e3c0c47f185
sha1
ac9c4bfb423a718cc7c41bc10957ae73f3a69ba8
sha256
1fe69f4aa6717393bbf55351f8ed0ff2d7748f2ef60afd667e22335fff9f3c5b
sha512
57495762246025be68fa7d4e97c8398d10a9b122bb08f8d137934d63a0e7e70ea35b09cd7e7c368fb3a48f5737d3f546efb5555a168a35c406baa8605795de2b
ripemd-160
c95c4f4ea4d77da0623fbae2e5980fcd8ea72c07
Diameter
42995464
Circumference
135074233.84008
Area
1.4518948395997E+15
Volume
4.1616594871864E+22
Surface area
5.8075793583989E+15
Circumference
135074233.84008
Perimeter
85990928
Area
462152481143824
Diagonal
30402384.154662
Surface area
2772914886862944
Volume
9.935230182765E+21
Space diagonal
37235164.071499
Perimeter
64493196
Area
2.0011789454628E+14
Altitude
18617582.03575
Surface area
2.0011789454628E+14
Volume
1.1708781058137E+21
Height
10134128.051554