21297943 is an odd 8-digits composite number following 21297942
and preceding 21297944 . In scientific notation, it is written as 2.1297943 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20802600 positive integers (up to 21297943) that are relatively prime to 21297943.
21297943 has 4 divisors, whose sum is 21793288
The reverse of 21297943 is 34979212
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million two hundred ninety-seven thousand nine hundred forty-three
Scientific notation
2.1297943 × 10^7
Engineering notation
2.1297943 × 10^6
Prime Factorization
43 × 495301
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21297943
Product of the distinct prime numbers
The prime factorization of 21297943 is 43 × 495301.
Since it has a total of 2 prime factors.
1 , 10 , 76 , 36 , 272 , 902 , 409 , 7275 , 88980 , 76930 , 983655 , 306883 , 3853837 , 4298645 , 5810174 , 25704448 , 106913680 , 114065667 , 221010083 , 2811919778
n×2
42595886
n×3
63893829
n×4
85191772
n×5
106489715
n÷2
10648971.5
n÷3
7099314.3333333
n÷3
5324485.75
n÷5
4259588.6
n2
453602376031249
n3
9.6607975493781E+21
n4
2.0575511554119E+29
n5
4.3821607227548E+36
2 √n
4614.9694473528
3 √n
277.19106056418
4 √n
67.933566425978
5 √n
29.219146914879
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21297942
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21297943 can be divided by 4 positive divisors.
The sum of these divisors (counting 21297943) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001111101100010111
3
Ternary
1111002001021201
4
Quaternary
1101033230113
5
Quinary
20423013233
6
Senary
2040253331
8
Octal
121175427
10
Decimal
21297943
12
Duodecimal
7171247
16
Hexadecimal
144fb17
20
Vigesimal
6d24h3
36
Base36
cohlj
md5
fb960ffa83ee083fe9344f80496fee03
sha1
2a951602db3ce6daa8ba1bcdfa5d78cb89fb6493
sha256
87ca05fef7fdf25c697211562ef9283f349c4c56bcc72dd762e3eefac96d5bbf
sha512
74b71656dc8a334348ffc7e95e0938d57e973debe3c1e6226e06e29edf1db0eec9c24fb04025c72e8f317d39c379d1763ef1f7ece13b79730de78daecac5d174
ripemd-160
2c6b5db3f7357c67d36f30a51e190fb6c71ad0d6
Diameter
42595886
Circumference
133818922.53075
Area
1.4250338921906E+15
Volume
4.0467054145259E+22
Surface area
5.7001355687626E+15
Circumference
133818922.53075
Perimeter
85191772
Area
453602376031249
Diagonal
30119839.841249
Surface area
2721614256187494
Volume
9.6607975493781E+21
Space diagonal
36889119.372706
Perimeter
63893829
Area
1.9641559043002E+14
Altitude
18444559.686353
Surface area
1.9641559043002E+14
Volume
1.1385359098059E+21
Height
10039946.61375