21031242 (number)

21031242 is an even 8-digits composite number following 21031241 and preceding 21031243. In scientific notation, it is written as 2.1031242 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 7010412 positive integers (up to 21031242) that are relatively prime to 21031242.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred forty-two

Notation

Scientific notation 2.1031242 × 10^7
Engineering notation 2.1031242 × 10^6

Prime Factorization of 21031242

Prime Factorization 2 × 3 × 3505207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031242
Product of the distinct prime numbers

The prime factorization of 21031242 is 2 × 3 × 3505207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031242)

Multiplication

n×y
n×2 42062484
n×3 63093726
n×4 84124968
n×5 105156210

Division

n÷y
n÷2 10515621
n÷3 7010414
n÷3 5257810.5
n÷5 4206248.4

Exponentiation

ny
n2 442313140062564
n3 9.3023946884357E+21
n4 1.9564091387201E+29
n5 4.1145714047433E+36

Nth Root

y√n
2√n 4585.9832097381
3√n 276.02916620993
4√n 67.719887844991
5√n 29.14559891804

Divisors of 21031242

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 -21031241
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 21031242 can be divided by 8 positive divisors. The sum of these divisors (counting 21031242) is 1, the average is 0.125.

Base conversion 21031242

Base System Value
2 Binary 1010000001110100101001010
3 Ternary 1110120111102220
4 Quaternary 1100032211022
5 Quinary 20340444432
6 Senary 2030434510
8 Octal 120164512
10 Decimal 21031242
12 Duodecimal 7062a36
16 Hexadecimal 140e94a
20 Vigesimal 6b8i22
36 Base36 cirt6

Cryptographic Hash Functions

md5 a0c6a5dc7004e35d9aa0e9216b17c994
sha1 e1a6946635216927dab35cd7bc913d35d84a472e
sha256 827807d21ed39e5af572a94fc0a006da2f2481b206445c436a52800594bd84fa
sha512 193746713f828d772a0244ce688709184de7f6a7c467710753b58e7f06d43e2699cf09b99dbc63e48938213aa6a5d0e2ff0098995b2fd1422c1d45cef0ec615d
ripemd-160 7c06cd48c31a7fd6b16a4b550088fbd4522f41aa

21031242 as geometric shapes

Circle

Radius = n
Diameter 42062484
Circumference 132143190.72614
Area 1.3895677114068E+15

Sphere

Radius = n
Volume 3.8965779751976E+22
Surface area 5.5582708456271E+15
Circumference 132143190.72614

Square

Length = n
Perimeter 84124968
Area 442313140062564
Diagonal 29742667.669951

Cube

Length = n
Surface area 2653878840375384
Volume 9.3023946884357E+21
Space diagonal 36427179.690276

Equilateral Triangle

Length = n
Perimeter 63093726
Area 1.9152720786092E+14
Altitude 18213589.845138

Triangular Pyramid

Length = n
Surface area 1.9152720786092E+14
Volume 1.0962977275778E+21
Height 9914222.5566502