21297943 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand nine hundred forty-three

Notation

Scientific notation 2.1297943 × 10^7
Engineering notation 2.1297943 × 10^6

Prime Factorization of 21297943

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.

Most popular turbo-numbers

Basic calculations (n = 21297943)

Multiplication

n×y
n×2 42595886
n×3 63893829
n×4 85191772
n×5 106489715

Division

n÷y
n÷2 10648971.5
n÷3 7099314.3333333
n÷3 5324485.75
n÷5 4259588.6

Exponentiation

ny
n2 453602376031249
n3 9.6607975493781E+21
n4 2.0575511554119E+29
n5 4.3821607227548E+36

Nth Root

y√n
2√n 4614.9694473528
3√n 277.19106056418
4√n 67.933566425978
5√n 29.219146914879

Divisors of 21297943

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 conversion 21297943

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

Cryptographic Hash Functions

md5 fb960ffa83ee083fe9344f80496fee03
sha1 2a951602db3ce6daa8ba1bcdfa5d78cb89fb6493
sha256 87ca05fef7fdf25c697211562ef9283f349c4c56bcc72dd762e3eefac96d5bbf
sha512 74b71656dc8a334348ffc7e95e0938d57e973debe3c1e6226e06e29edf1db0eec9c24fb04025c72e8f317d39c379d1763ef1f7ece13b79730de78daecac5d174
ripemd-160 2c6b5db3f7357c67d36f30a51e190fb6c71ad0d6

21297943 as geometric shapes

Circle

Radius = n
Diameter 42595886
Circumference 133818922.53075
Area 1.4250338921906E+15

Sphere

Radius = n
Volume 4.0467054145259E+22
Surface area 5.7001355687626E+15
Circumference 133818922.53075

Square

Length = n
Perimeter 85191772
Area 453602376031249
Diagonal 30119839.841249

Cube

Length = n
Surface area 2721614256187494
Volume 9.6607975493781E+21
Space diagonal 36889119.372706

Equilateral Triangle

Length = n
Perimeter 63893829
Area 1.9641559043002E+14
Altitude 18444559.686353

Triangular Pyramid

Length = n
Surface area 1.9641559043002E+14
Volume 1.1385359098059E+21
Height 10039946.61375